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DbProviderFactory — провайдер-незалежний код","/csharp/ado-net/provider-factory","01.csharp/09.ado-net/07.provider-factory",{"title":438,"path":439,"stem":440},"9.8. Асинхронний доступ до даних","/csharp/ado-net/async-data-access","01.csharp/09.ado-net/08.async-data-access",{"title":442,"path":443,"stem":444},"9.9. Від'єднаний режим: DataSet, DataTable, DataRow","/csharp/ado-net/disconnected-mode-dataset","01.csharp/09.ado-net/09.disconnected-mode-dataset",{"title":446,"path":447,"stem":448},"9.10. DataAdapter — міст між DataSet та базою даних","/csharp/ado-net/data-adapter","01.csharp/09.ado-net/10.data-adapter",{"title":450,"path":451,"stem":452},"9.11. Data Mapper та Repository: Архітектура доступу до даних","/csharp/ado-net/data-mapper-repository","01.csharp/09.ado-net/11.data-mapper-repository",{"title":454,"path":455,"stem":456},"9.12. Identity Map, Unit of Work та Specification Pattern","/csharp/ado-net/advanced-patterns","01.csharp/09.ado-net/12.advanced-patterns",{"title":458,"icon":255,"path":459,"stem":460,"children":461,"page":59},"Ef Core","/csharp/ef-core","01.csharp/10.ef-core",[462,466,470,474,478,482,486,490,494,498,502,506,510,514,518,522,526,532,538,542,546,550,554,558,562,566,570,574,578,582,586,590,594,598,602,606,610,614,618,622,626,630,634,638,642,646],{"title":463,"path":464,"stem":465},"Що таке ORM? Від SQL до об'єктів","/csharp/ef-core/what-is-orm","01.csharp/10.ef-core/01.what-is-orm",{"title":467,"path":468,"stem":469},"Перший проєкт — від нуля до CRUD","/csharp/ef-core/first-project","01.csharp/10.ef-core/02.first-project",{"title":471,"path":472,"stem":473},"DbContext — Серце EF Core","/csharp/ef-core/dbcontext-deep-dive","01.csharp/10.ef-core/03.dbcontext-deep-dive",{"title":475,"path":476,"stem":477},"Провайдери баз даних — Архітектура та Вибір СУБД","/csharp/ef-core/database-providers","01.csharp/10.ef-core/04.database-providers",{"title":479,"path":480,"stem":481},"Конвенції EF Core — Магія без конфігурації","/csharp/ef-core/conventions","01.csharp/10.ef-core/05.conventions",{"title":483,"path":484,"stem":485},"Fluent API та Data Annotations — Явна конфігурація моделі","/csharp/ef-core/fluent-api-vs-annotations","01.csharp/10.ef-core/06.fluent-api-vs-annotations",{"title":487,"path":488,"stem":489},"Зв'язки — One-to-One та One-to-Many","/csharp/ef-core/relationships-basics","01.csharp/10.ef-core/07.relationships-basics",{"title":491,"path":492,"stem":493},"Зв'язки Advanced — Many-to-Many та Складні Сценарії","/csharp/ef-core/relationships-advanced","01.csharp/10.ef-core/08.relationships-advanced",{"title":495,"path":496,"stem":497},"Властивості — Типи, Конвертери, Компаратори (Частина 1)","/csharp/ef-core/property-configuration-part1","01.csharp/10.ef-core/09.property-configuration-part1",{"title":499,"path":500,"stem":501},"Властивості — Value Comparers, Generators, Shadow Properties (Частина 2)","/csharp/ef-core/property-configuration-part2","01.csharp/10.ef-core/09.property-configuration-part2",{"title":503,"path":504,"stem":505},"Складні типи — Owned Types та Complex Types (Частина 1)","/csharp/ef-core/complex-types-owned-part1","01.csharp/10.ef-core/10.complex-types-owned-part1",{"title":507,"path":508,"stem":509},"Складні типи — Complex Types, Keyless Entities, Порівняння (Частина 2)","/csharp/ef-core/complex-types-owned-part2","01.csharp/10.ef-core/10.complex-types-owned-part2",{"title":511,"path":512,"stem":513},"JSON Columns — Складні дані у JSON (Частина 1)","/csharp/ef-core/json-columns-part1","01.csharp/10.ef-core/11.json-columns-part1",{"title":515,"path":516,"stem":517},"JSON Columns — Value Comparers, Індекси, Провайдери (Частина 2)","/csharp/ef-core/json-columns-part2","01.csharp/10.ef-core/11.json-columns-part2",{"title":519,"path":520,"stem":521},"Успадкування — Абстрактні класи та TPH (Частина 1)","/csharp/ef-core/inheritance-part1","01.csharp/10.ef-core/12.inheritance-part1",{"title":523,"path":524,"stem":525},"Успадкування — TPT, TPC та Порівняння Стратегій (Частина 2)","/csharp/ef-core/inheritance-part2","01.csharp/10.ef-core/12.inheritance-part2",{"title":527,"path":528,"stem":529,"children":530},"Індекси, Обмеження та Схема (Частина 1)","/csharp/ef-core/indexes-constraints-part1","01.csharp/10.ef-core/13.indexes-constraints-part1",[531],{"title":527,"path":528,"stem":529},{"title":533,"path":534,"stem":535,"children":536},"Індекси, Обмеження та Схема (Частина 2)","/csharp/ef-core/indexes-constraints-part2","01.csharp/10.ef-core/13.indexes-constraints-part2",[537],{"title":533,"path":534,"stem":535},{"title":539,"path":540,"stem":541},"Seed Data — Початкові Дані (Частина 1)","/csharp/ef-core/seeding-part1","01.csharp/10.ef-core/14.seeding-part1",{"title":543,"path":544,"stem":545},"Seed Data — SQL-скрипти, Bogus та Стратегії (Частина 2)","/csharp/ef-core/seeding-part2","01.csharp/10.ef-core/14.seeding-part2",{"title":547,"path":548,"stem":549},"Global Query Filters — Глобальні Фільтри (Частина 1)","/csharp/ef-core/global-query-filters-part1","01.csharp/10.ef-core/15.global-query-filters-part1",{"title":551,"path":552,"stem":553},"Global Query Filters — Підводні камені та Інтеграція (Частина 2)","/csharp/ef-core/global-query-filters-part2","01.csharp/10.ef-core/15.global-query-filters-part2",{"title":555,"path":556,"stem":557},"LINQ-запити в EF Core (Частина 1)","/csharp/ef-core/linq-queries-part1","01.csharp/10.ef-core/16.linq-queries-part1",{"title":559,"path":560,"stem":561},"LINQ-запити в EF Core (Частина 2)","/csharp/ef-core/linq-queries-part2","01.csharp/10.ef-core/16.linq-queries-part2",{"title":563,"path":564,"stem":565},"Завантаження Пов'язаних Даних (Частина 1)","/csharp/ef-core/loading-related-data-part1","01.csharp/10.ef-core/17.loading-related-data-part1",{"title":567,"path":568,"stem":569},"Завантаження Пов'язаних Даних (Частина 2)","/csharp/ef-core/loading-related-data-part2","01.csharp/10.ef-core/17.loading-related-data-part2",{"title":571,"path":572,"stem":573},"Raw SQL, Views та Stored Procedures (Частина 1)","/csharp/ef-core/raw-sql-part1","01.csharp/10.ef-core/18.raw-sql-part1",{"title":575,"path":576,"stem":577},"Raw SQL — Stored Procedures, DbFunction та Bulk Operations (Частина 2)","/csharp/ef-core/raw-sql-part2","01.csharp/10.ef-core/18.raw-sql-part2",{"title":579,"path":580,"stem":581},"Продвинуті Запити — Compiled Queries, Bulk та Оптимізація (Частина 1)","/csharp/ef-core/advanced-queries-part1","01.csharp/10.ef-core/19.advanced-queries-part1",{"title":583,"path":584,"stem":585},"Продвинуті Запити — Query Tags, Bulk та Interceptors (Частина 2)","/csharp/ef-core/advanced-queries-part2","01.csharp/10.ef-core/19.advanced-queries-part2",{"title":587,"path":588,"stem":589},"Change Tracker — Відстеження Змін (Частина 1)","/csharp/ef-core/change-tracking-part1","01.csharp/10.ef-core/20.change-tracking-part1",{"title":591,"path":592,"stem":593},"Change Tracker — Графи Об'єктів та Disconnected (Частина 2)","/csharp/ef-core/change-tracking-part2","01.csharp/10.ef-core/20.change-tracking-part2",{"title":595,"path":596,"stem":597},"Збереження Даних та Транзакції (Частина 1)","/csharp/ef-core/saving-data-part1","01.csharp/10.ef-core/21.saving-data-part1",{"title":599,"path":600,"stem":601},"Збереження Даних — Concurrency та Outbox (Частина 2)","/csharp/ef-core/saving-data-part2","01.csharp/10.ef-core/21.saving-data-part2",{"title":603,"path":604,"stem":605},"Конкурентність та Блокування (Частина 1)","/csharp/ef-core/concurrency-part1","01.csharp/10.ef-core/22.concurrency-part1",{"title":607,"path":608,"stem":609},"Конкурентність — Дедлоки та Queue Processing (Частина 2)","/csharp/ef-core/concurrency-part2","01.csharp/10.ef-core/22.concurrency-part2",{"title":611,"path":612,"stem":613},"Міграції в EF Core — Основи (Частина 1)","/csharp/ef-core/migrations-basics-part1","01.csharp/10.ef-core/23.migrations-basics-part1",{"title":615,"path":616,"stem":617},"Міграції в EF Core — Основи (Частина 2)","/csharp/ef-core/migrations-basics-part2","01.csharp/10.ef-core/23.migrations-basics-part2",{"title":619,"path":620,"stem":621},"Міграції — Просунуті Сценарії (Частина 1)","/csharp/ef-core/migrations-advanced-part1","01.csharp/10.ef-core/24.migrations-advanced-part1",{"title":623,"path":624,"stem":625},"Міграції — Просунуті Сценарії (Частина 2)","/csharp/ef-core/migrations-advanced-part2","01.csharp/10.ef-core/24.migrations-advanced-part2",{"title":627,"path":628,"stem":629},"Управління Схемою та Database-First (Частина 1)","/csharp/ef-core/schema-management-part1","01.csharp/10.ef-core/25.schema-management-part1",{"title":631,"path":632,"stem":633},"Управління Схемою та Database-First (Частина 2)","/csharp/ef-core/schema-management-part2","01.csharp/10.ef-core/25.schema-management-part2",{"title":635,"path":636,"stem":637},"Продуктивність EF Core — Основи (Частина 1)","/csharp/ef-core/performance-fundamentals-part1","01.csharp/10.ef-core/26.performance-fundamentals-part1",{"title":639,"path":640,"stem":641},"Interceptors в EF Core (Частина 1)","/csharp/ef-core/interceptors-part1","01.csharp/10.ef-core/29.interceptors-part1",{"title":643,"path":644,"stem":645},"Interceptors в EF Core — Connection, Transaction та Materialization (Частина 2)","/csharp/ef-core/interceptors-part2","01.csharp/10.ef-core/29.interceptors-part2",{"title":647,"path":648,"stem":649},"План вивчення Entity Framework Core — Повний курс","/csharp/ef-core/implementation_plan","01.csharp/10.ef-core/implementation_plan",{"title":651,"icon":652,"path":653,"stem":654,"children":655,"page":59},"ASP.NET","i-devicon-dotnetcore","/csharp/aspnet","01.csharp/11.aspnet",[656,730,791,869,927,941,967,1057,1111,1182,1212,1289],{"title":657,"icon":658,"path":659,"stem":660,"children":661,"page":59},"Minimal API","i-lucide-network","/csharp/aspnet/minimal-api","01.csharp/11.aspnet/01.minimal-api",[662,666,670,674,678,682,686,690,694,698,702,706,710,714,718,722,726],{"title":663,"path":664,"stem":665},"Вступ до ASP.NET та еволюція фреймворку","/csharp/aspnet/minimal-api/introduction","01.csharp/11.aspnet/01.minimal-api/01.introduction",{"title":667,"path":668,"stem":669},"Перший додаток на ASP.NET Core","/csharp/aspnet/minimal-api/first-application","01.csharp/11.aspnet/01.minimal-api/02.first-application",{"title":671,"path":672,"stem":673},"WebApplication, Builder та Dependency Injection","/csharp/aspnet/minimal-api/webapplication-builder","01.csharp/11.aspnet/01.minimal-api/03.webapplication-builder",{"title":675,"path":676,"stem":677},"Конвеєр запитів та Middleware","/csharp/aspnet/minimal-api/request-pipeline-middleware","01.csharp/11.aspnet/01.minimal-api/04.request-pipeline-middleware",{"title":679,"path":680,"stem":681},"Маршрутизація в ASP.NET Core: Основи","/csharp/aspnet/minimal-api/routing-basics","01.csharp/11.aspnet/01.minimal-api/05.routing-basics",{"title":683,"path":684,"stem":685},"Маршрутизація в ASP.NET Core: Розширені можливості","/csharp/aspnet/minimal-api/routing-advanced","01.csharp/11.aspnet/01.minimal-api/06.routing-advanced",{"title":687,"path":688,"stem":689},"Статичні файли в ASP.NET Core","/csharp/aspnet/minimal-api/static-files","01.csharp/11.aspnet/01.minimal-api/07.static-files",{"title":691,"path":692,"stem":693},"Статичні Активи: MapStaticAssets (ASP.NET Core 9.0)","/csharp/aspnet/minimal-api/static-assets","01.csharp/11.aspnet/01.minimal-api/08.static-assets",{"title":695,"path":696,"stem":697},"Конфігурація в ASP.NET Core: Основи","/csharp/aspnet/minimal-api/configuration-fundamentals","01.csharp/11.aspnet/01.minimal-api/09.configuration-fundamentals",{"title":699,"path":700,"stem":701},"Конфігурація: Паттерн Options","/csharp/aspnet/minimal-api/configuration-options","01.csharp/11.aspnet/01.minimal-api/10.configuration-options",{"title":703,"path":704,"stem":705},"Логування в ASP.NET Core: Основи","/csharp/aspnet/minimal-api/logging-basics","01.csharp/11.aspnet/01.minimal-api/11.logging-basics",{"title":707,"path":708,"stem":709},"Логування: Serilog та Middleware","/csharp/aspnet/minimal-api/logging-advanced","01.csharp/11.aspnet/01.minimal-api/12.logging-advanced",{"title":711,"path":712,"stem":713},"Управління станом: HttpContext.Items та Cookies","/csharp/aspnet/minimal-api/state-management","01.csharp/11.aspnet/01.minimal-api/13.state-management",{"title":715,"path":716,"stem":717},"Стан сесії: Sessions","/csharp/aspnet/minimal-api/session-state","01.csharp/11.aspnet/01.minimal-api/14.session-state",{"title":719,"path":720,"stem":721},"Структура проєкту: від хаосу до архітектури","/csharp/aspnet/minimal-api/project-structure","01.csharp/11.aspnet/01.minimal-api/15.project-structure",{"title":723,"path":724,"stem":725},"Scalar у Minimal API: повний проєкт і Fluent OpenAPI","/csharp/aspnet/minimal-api/scalar-openapi-fluent","01.csharp/11.aspnet/01.minimal-api/16.scalar-openapi-fluent",{"title":727,"path":728,"stem":729},"Swagger / Swashbuckle у Minimal API: окремий класичний шлях","/csharp/aspnet/minimal-api/swagger-swashbuckle","01.csharp/11.aspnet/01.minimal-api/17.swagger-swashbuckle",{"title":731,"icon":658,"path":732,"stem":733,"children":734,"page":59},"API","/csharp/aspnet/api","01.csharp/11.aspnet/02.api",[735,739,743,747,751,755,759,763,767,771,775,779,783,787],{"title":736,"path":737,"stem":738},"Що таке API. Клієнт-серверна архітектура","/csharp/aspnet/api/what-is-api","01.csharp/11.aspnet/02.api/01.what-is-api",{"title":740,"path":741,"stem":742},"Формати даних: JSON, XML, TOML та бінарні формати","/csharp/aspnet/api/data-formats","01.csharp/11.aspnet/02.api/02.data-formats",{"title":744,"path":745,"stem":746},"Парадигми API та концепція REST","/csharp/aspnet/api/api-paradigms-rest","01.csharp/11.aspnet/02.api/03.api-paradigms-rest",{"title":748,"path":749,"stem":750},"HTTP-методи, статус-коди та заголовки","/csharp/aspnet/api/http-methods-status-codes","01.csharp/11.aspnet/02.api/04.http-methods-status-codes",{"title":752,"path":753,"stem":754},"Організація HTTP API за принципами REST","/csharp/aspnet/api/rest-organizing","01.csharp/11.aspnet/02.api/05.rest-organizing",{"title":756,"path":757,"stem":758},"Номенклатура URL та CRUD-операції","/csharp/aspnet/api/url-nomenclature-crud","01.csharp/11.aspnet/02.api/06.url-nomenclature-crud",{"title":760,"path":761,"stem":762},"Правила дизайну: іменування та стандарти","/csharp/aspnet/api/api-design-naming","01.csharp/11.aspnet/02.api/07.api-design-naming",{"title":764,"path":765,"stem":766},"Валідація, ліміти та обробка помилок","/csharp/aspnet/api/api-design-validation","01.csharp/11.aspnet/02.api/08.api-design-validation",{"title":768,"path":769,"stem":770},"Обробка помилок у Minimal API","/csharp/aspnet/api/error-handling-http","01.csharp/11.aspnet/02.api/09.error-handling-http",{"title":772,"path":773,"stem":774},"Ідемпотентність та синхронізація стану","/csharp/aspnet/api/idempotency-sync","01.csharp/11.aspnet/02.api/10.idempotency-sync",{"title":776,"path":777,"stem":778},"Пагінація та організація списків","/csharp/aspnet/api/pagination-lists","01.csharp/11.aspnet/02.api/11.pagination-lists",{"title":780,"path":781,"stem":782},"Безпека API, кешування та інтернаціоналізація","/csharp/aspnet/api/security-auth","01.csharp/11.aspnet/02.api/12.security-auth",{"title":784,"path":785,"stem":786},"Процес проєктування API та документування","/csharp/aspnet/api/api-design-process","01.csharp/11.aspnet/02.api/13.api-design-process",{"title":788,"path":789,"stem":790},"OpenAPI: контракт, специфікація та документація API","/csharp/aspnet/api/openapi","01.csharp/11.aspnet/02.api/14.openapi",{"title":792,"icon":793,"path":794,"stem":795,"children":796,"page":59},"Auth","i-lucide-shield-check","/csharp/aspnet/auth","01.csharp/11.aspnet/03.auth",[797,801,805,809,813,817,821,825,829,833,837,841,845,849,853,857,861,865],{"title":798,"path":799,"stem":800},"Основи аутентифікації та авторизації","/csharp/aspnet/auth/auth-fundamentals","01.csharp/11.aspnet/03.auth/01.auth-fundamentals",{"title":802,"path":803,"stem":804},"JWT-аутентифікація","/csharp/aspnet/auth/jwt-authentication","01.csharp/11.aspnet/03.auth/02.jwt-authentication",{"title":806,"path":807,"stem":808},"Авторизація: ролі, політики та resource-based доступ","/csharp/aspnet/auth/authorization-policies","01.csharp/11.aspnet/03.auth/03.authorization-policies",{"title":810,"path":811,"stem":812},"Cookie-аутентифікація та ASP.NET Core Identity","/csharp/aspnet/auth/cookie-auth-identity","01.csharp/11.aspnet/03.auth/04.cookie-auth-identity",{"title":814,"path":815,"stem":816},"JWT + Refresh Tokens (HttpOnly Cookie)","/csharp/aspnet/auth/04b.identity-auth-jwt","01.csharp/11.aspnet/03.auth/04b.identity-auth-jwt",{"title":818,"path":819,"stem":820},"Identity: Підтвердження Email та Скидання Пароля","/csharp/aspnet/auth/identity-email-confirmation","01.csharp/11.aspnet/03.auth/05.identity-email-confirmation",{"title":822,"path":823,"stem":824},"Identity: Двофакторна Аутентифікація (2FA)","/csharp/aspnet/auth/identity-two-factor","01.csharp/11.aspnet/03.auth/06.identity-two-factor",{"title":826,"path":827,"stem":828},"Identity: Внутрішня Архітектура та Кастомізація","/csharp/aspnet/auth/identity-internals","01.csharp/11.aspnet/03.auth/07.identity-internals",{"title":830,"path":831,"stem":832},"OAuth 2.0 та зовнішні провайдери","/csharp/aspnet/auth/oauth-external-providers","01.csharp/11.aspnet/03.auth/08.oauth-external-providers",{"title":834,"path":835,"stem":836},"Безпека на практиці: CORS, HTTPS та захист від атак","/csharp/aspnet/auth/security-hardening","01.csharp/11.aspnet/03.auth/09.security-hardening",{"title":838,"path":839,"stem":840},"Теорія OAuth 2.0: Поняття, Аналогії та Флоу","/csharp/aspnet/auth/oauth-theory","01.csharp/11.aspnet/03.auth/10.oauth-theory",{"title":842,"path":843,"stem":844},"OIDC, OAuth 2.0 та Keycloak в ASP.NET Core","/csharp/aspnet/auth/oidc-keycloak","01.csharp/11.aspnet/03.auth/10.oidc-keycloak",{"title":846,"path":847,"stem":848},"API Keys аутентифікація в ASP.NET Core","/csharp/aspnet/auth/api-keys","01.csharp/11.aspnet/03.auth/11.api-keys",{"title":850,"path":851,"stem":852},"Rate Limiting та Throttling в ASP.NET Core","/csharp/aspnet/auth/rate-limiting","01.csharp/11.aspnet/03.auth/12.rate-limiting",{"title":854,"path":855,"stem":856},"Refresh Token Rotation в ASP.NET Core","/csharp/aspnet/auth/refresh-token-rotation","01.csharp/11.aspnet/03.auth/13.refresh-token-rotation",{"title":858,"path":859,"stem":860},"Certificate Authentication та mTLS в ASP.NET Core","/csharp/aspnet/auth/certificate-auth","01.csharp/11.aspnet/03.auth/14.certificate-auth",{"title":862,"path":863,"stem":864},"RBAC, ABAC та ReBAC в ASP.NET Core","/csharp/aspnet/auth/rbac-abac-rebac","01.csharp/11.aspnet/03.auth/15.rbac-abac-rebac",{"title":866,"path":867,"stem":868},"Multi-tenancy та ізоляція даних в ASP.NET Core","/csharp/aspnet/auth/multi-tenancy","01.csharp/11.aspnet/03.auth/16.multi-tenancy",{"title":870,"icon":871,"path":872,"stem":873,"children":874,"page":59},"Нотифікації","i-lucide-bell","/csharp/aspnet/notifications","01.csharp/11.aspnet/04.notifications",[875,879,883,887,891,895,899,903,907,911,915,919,923],{"title":876,"path":877,"stem":878},"In-App нотифікації через базу даних","/csharp/aspnet/notifications/in-app-database-notifications","01.csharp/11.aspnet/04.notifications/01.in-app-database-notifications",{"title":880,"path":881,"stem":882},"Polling: Регулярний запит оновлень","/csharp/aspnet/notifications/polling","01.csharp/11.aspnet/04.notifications/02.polling",{"title":884,"path":885,"stem":886},"Server-Sent Events: Однострімовий push від сервера","/csharp/aspnet/notifications/server-sent-events","01.csharp/11.aspnet/04.notifications/03.server-sent-events",{"title":888,"path":889,"stem":890},"WebSockets: Двостороннє з'єднання в реальному часі","/csharp/aspnet/notifications/websockets","01.csharp/11.aspnet/04.notifications/04.websockets",{"title":892,"path":893,"stem":894},"SignalR: Абстракція над транспортами реального часу","/csharp/aspnet/notifications/signalr","01.csharp/11.aspnet/04.notifications/05.signalr",{"title":896,"path":897,"stem":898},"Background Services: Фонові задачі в ASP.NET Core","/csharp/aspnet/notifications/background-services","01.csharp/11.aspnet/04.notifications/06.background-services",{"title":900,"path":901,"stem":902},"Web Push нотифікації","/csharp/aspnet/notifications/web-push","01.csharp/11.aspnet/04.notifications/07.web-push",{"title":904,"path":905,"stem":906},"Email нотифікації","/csharp/aspnet/notifications/email-notifications","01.csharp/11.aspnet/04.notifications/08.email-notifications",{"title":908,"path":909,"stem":910},"Порівняння підходів: Як вибрати правильну технологію нотифікацій","/csharp/aspnet/notifications/choosing-the-right-approach","01.csharp/11.aspnet/04.notifications/09.choosing-the-right-approach",{"title":912,"path":913,"stem":914},"Hangfire: Надійне планування фонових задач","/csharp/aspnet/notifications/hangfire","01.csharp/11.aspnet/04.notifications/10.hangfire",{"title":916,"path":917,"stem":918},"Практика: Конвертація зображень у WebP через Hangfire","/csharp/aspnet/notifications/hangfire-image-webp","01.csharp/11.aspnet/04.notifications/11.hangfire-image-webp",{"title":920,"path":921,"stem":922},"Практика: Підготовка відео до HLS-стрімінгу через Hangfire","/csharp/aspnet/notifications/hangfire-video-hls","01.csharp/11.aspnet/04.notifications/12.hangfire-video-hls",{"title":924,"path":925,"stem":926},"Telegram-нотифікації: від одного повідомлення до масових розсилок і мульти-канального підходу","/csharp/aspnet/notifications/telegram-notifications","01.csharp/11.aspnet/04.notifications/13.telegram-notifications",{"title":928,"icon":929,"path":930,"stem":931,"children":932,"page":59},"Інтернаціоналізація","i-lucide-languages","/csharp/aspnet/i18n","01.csharp/11.aspnet/05.i18n",[933,937],{"title":934,"path":935,"stem":936},"Інтернаціоналізація (i18n) у Minimal API: від A до Я","/csharp/aspnet/i18n/internationalization","01.csharp/11.aspnet/05.i18n/01.internationalization",{"title":938,"path":939,"stem":940},"Humanizer: людиномовні рядки у .NET","/csharp/aspnet/i18n/humanizer","01.csharp/11.aspnet/05.i18n/02.humanizer",{"title":942,"icon":943,"path":944,"stem":945,"children":946,"page":59},"Кешування","i-lucide-layers","/csharp/aspnet/caching","01.csharp/11.aspnet/06.caching",[947,951,955,959,963],{"title":948,"path":949,"stem":950},"Огляд кешування: чотири рівні і коли що обирати","/csharp/aspnet/caching/caching","01.csharp/11.aspnet/06.caching/01.caching",{"title":952,"path":953,"stem":954},"IMemoryCache: кеш в оперативній пам'яті","/csharp/aspnet/caching/memory-cache","01.csharp/11.aspnet/06.caching/02.memory-cache",{"title":956,"path":957,"stem":958},"IDistributedCache і Redis: розподілений кеш","/csharp/aspnet/caching/distributed-cache","01.csharp/11.aspnet/06.caching/03.distributed-cache",{"title":960,"path":961,"stem":962},"Response Cache: HTTP-кешування через Cache-Control","/csharp/aspnet/caching/response-cache","01.csharp/11.aspnet/06.caching/04.response-cache",{"title":964,"path":965,"stem":966},"Output Cache: серверний кеш HTTP-відповідей (.NET 7+)","/csharp/aspnet/caching/output-cache","01.csharp/11.aspnet/06.caching/05.output-cache",{"title":968,"icon":969,"path":970,"stem":971,"children":972,"page":59},"Тестування","i-lucide-test-tube","/csharp/aspnet/testing","01.csharp/11.aspnet/07.testing",[973,977,981,985,989,993,997,1001,1005,1009,1013,1017,1021,1025,1029,1033,1037,1041,1045,1049,1053],{"title":974,"path":975,"stem":976},"Що таке тестування? Від інтуїції до науки","/csharp/aspnet/testing/what-is-testing","01.csharp/11.aspnet/07.testing/01.what-is-testing",{"title":978,"path":979,"stem":980},"Піраміда тестування — Стратегія, а не Догма","/csharp/aspnet/testing/testing-pyramid","01.csharp/11.aspnet/07.testing/02.testing-pyramid",{"title":982,"path":983,"stem":984},"Дві Школи Тестування — Лондон проти Детройту","/csharp/aspnet/testing/testing-schools","01.csharp/11.aspnet/07.testing/03.testing-schools",{"title":986,"path":987,"stem":988},"TDD та BDD — Тести як Дизайн-інструмент","/csharp/aspnet/testing/tdd-and-bdd","01.csharp/11.aspnet/07.testing/04.tdd-and-bdd",{"title":990,"path":991,"stem":992},"Що саме тестувати — Техніки аналізу та Циклomatична складність","/csharp/aspnet/testing/what-to-test","01.csharp/11.aspnet/07.testing/05.what-to-test",{"title":994,"path":995,"stem":996},"Тестові Фреймворки — Навіщо вони і що всередині","/csharp/aspnet/testing/test-frameworks","01.csharp/11.aspnet/07.testing/06.test-frameworks",{"title":998,"path":999,"stem":1000},"xUnit — Факти, Теорії та Lifecycle тестів","/csharp/aspnet/testing/xunit-basics","01.csharp/11.aspnet/07.testing/07.xunit-basics",{"title":1002,"path":1003,"stem":1004},"xUnit Advanced — Fixtures, Кастомізація та Розширення","/csharp/aspnet/testing/xunit-advanced","01.csharp/11.aspnet/07.testing/08.xunit-advanced",{"title":1006,"path":1007,"stem":1008},"Moq — Глибоке занурення в мокування","/csharp/aspnet/testing/mocking-with-moq","01.csharp/11.aspnet/07.testing/09.mocking-with-moq",{"title":1010,"path":1011,"stem":1012},"Тестування Баз Даних — EF Core, SQLite та Testcontainers","/csharp/aspnet/testing/database-testing","01.csharp/11.aspnet/07.testing/10.database-testing",{"title":1014,"path":1015,"stem":1016},"Integration Testing — Частина 1 [Теорія та WebApplicationFactory]","/csharp/aspnet/testing/integration-testing","01.csharp/11.aspnet/07.testing/11.integration-testing",{"title":1018,"path":1019,"stem":1020},"Інтеграційне тестування — Практика","/csharp/aspnet/testing/11a.integration-testing-practice","01.csharp/11.aspnet/07.testing/11a.integration-testing-practice",{"title":1022,"path":1023,"stem":1024},"Integration Testing — Частина 2 [Просунуті Сценарії та Testcontainers]","/csharp/aspnet/testing/integration-testing-advanced","01.csharp/11.aspnet/07.testing/12.integration-testing-advanced",{"title":1026,"path":1027,"stem":1028},"Професійний Postman: Колекції, Змінні та GitHub Інтеграція","/csharp/aspnet/testing/postman-professional","01.csharp/11.aspnet/07.testing/13.postman-professional",{"title":1030,"path":1031,"stem":1032},"HttpClient у Тестах Частина 1: Архітектура та MockHttpMessageHandler","/csharp/aspnet/testing/httpclient-testing","01.csharp/11.aspnet/07.testing/14.httpclient-testing",{"title":1034,"path":1035,"stem":1036},"HttpClient у Тестах Частина 2: WireMock.Net та Resilience","/csharp/aspnet/testing/wiremock-net","01.csharp/11.aspnet/07.testing/15.wiremock-net",{"title":1038,"path":1039,"stem":1040},"Патерни та Анти-патерни Тестування: Test Smells","/csharp/aspnet/testing/testing-patterns","01.csharp/11.aspnet/07.testing/16.testing-patterns",{"title":1042,"path":1043,"stem":1044},"Просунуті інструменти: Time, Snapshots та Властивості","/csharp/aspnet/testing/advanced-testing-tools","01.csharp/11.aspnet/07.testing/17.advanced-testing-tools",{"title":1046,"path":1047,"stem":1048},"Тестування Архітектури з NetArchTest","/csharp/aspnet/testing/architecture-testing","01.csharp/11.aspnet/07.testing/18.architecture-testing",{"title":1050,"path":1051,"stem":1052},"Тестування Продуктивності: BenchmarkDotNet, NBomber та k6","/csharp/aspnet/testing/performance-testing","01.csharp/11.aspnet/07.testing/19.performance-testing",{"title":1054,"path":1055,"stem":1056},"Залишок плану для курсу \"Тестування ASP.NET Minimal API\"","/csharp/aspnet/testing/remaining_plan","01.csharp/11.aspnet/07.testing/remaining_plan",{"title":1058,"icon":1059,"path":1060,"stem":1061,"children":1062,"page":59},"Платежі","i-lucide-credit-card","/csharp/aspnet/payments","01.csharp/11.aspnet/08.payments",[1063,1067,1071,1075,1079,1083,1087,1091,1095,1099,1103,1107],{"title":1064,"path":1065,"stem":1066},"Основи платіжної інфраструктури","/csharp/aspnet/payments/payment-fundamentals","01.csharp/11.aspnet/08.payments/01.payment-fundamentals",{"title":1068,"path":1069,"stem":1070},"Методи оплати в Україні","/csharp/aspnet/payments/payment-methods-ukraine","01.csharp/11.aspnet/08.payments/02.payment-methods-ukraine",{"title":1072,"path":1073,"stem":1074},"PCI DSS та безпека платежів","/csharp/aspnet/payments/pci-dss-security","01.csharp/11.aspnet/08.payments/03.pci-dss-security",{"title":1076,"path":1077,"stem":1078},"Архітектура платіжної підсистеми","/csharp/aspnet/payments/payment-architecture","01.csharp/11.aspnet/08.payments/04.payment-architecture",{"title":1080,"path":1081,"stem":1082},"Інтеграція LiqPay (ПриватБанк)","/csharp/aspnet/payments/liqpay-integration","01.csharp/11.aspnet/08.payments/05.liqpay-integration",{"title":1084,"path":1085,"stem":1086},"Інтеграція Monobank Acquiring API","/csharp/aspnet/payments/monobank-acquiring","01.csharp/11.aspnet/08.payments/06.monobank-acquiring",{"title":1088,"path":1089,"stem":1090},"Інтеграція Stripe","/csharp/aspnet/payments/stripe-integration","01.csharp/11.aspnet/08.payments/07.stripe-integration",{"title":1092,"path":1093,"stem":1094},"Webhooks — глибоке занурення","/csharp/aspnet/payments/webhooks-deep-dive","01.csharp/11.aspnet/08.payments/08.webhooks-deep-dive",{"title":1096,"path":1097,"stem":1098},"Підписки та рекурентні платежі","/csharp/aspnet/payments/subscriptions-recurring","01.csharp/11.aspnet/08.payments/09.subscriptions-recurring",{"title":1100,"path":1101,"stem":1102},"Повернення коштів та диспути","/csharp/aspnet/payments/refunds-disputes","01.csharp/11.aspnet/08.payments/10.refunds-disputes",{"title":1104,"path":1105,"stem":1106},"Тестування платіжних інтеграцій","/csharp/aspnet/payments/testing-payments","01.csharp/11.aspnet/08.payments/11.testing-payments",{"title":1108,"path":1109,"stem":1110},"Чекліст виходу в Production","/csharp/aspnet/payments/production-checklist","01.csharp/11.aspnet/08.payments/12.production-checklist",{"title":1112,"icon":1113,"items":1114,"path":1127,"stem":1128,"children":1129,"page":59},"Популярні бібліотеки","lucide:box",[1115,1116,1117,1118,1119,1120,1121,1122,1123,1124,1125,1126],"01.fluent-validation","02.mapster","03.erroror-result-pattern","04.serilog","05.mediatr","06.polly","07.health-checks","08.feature-management","09.fluent-email","10.quest-pdf","11.bogus","12.humanizer-guard","/csharp/aspnet/libraries","01.csharp/11.aspnet/09.libraries",[1130,1134,1138,1142,1146,1150,1154,1158,1162,1166,1170,1174,1178],{"title":1131,"path":1132,"stem":1133},"Валідація з FluentValidation в ASP.NET Core","/csharp/aspnet/libraries/fluent-validation","01.csharp/11.aspnet/09.libraries/01.fluent-validation",{"title":1135,"path":1136,"stem":1137},"Маппінг об","/csharp/aspnet/libraries/mapster","01.csharp/11.aspnet/09.libraries/02.mapster",{"title":1139,"path":1140,"stem":1141},"Обробка помилок з ErrorOr та Result Pattern в ASP.NET Core","/csharp/aspnet/libraries/erroror-result-pattern","01.csharp/11.aspnet/09.libraries/03.erroror-result-pattern",{"title":1143,"path":1144,"stem":1145},"Структуроване логування з Serilog в ASP.NET Core","/csharp/aspnet/libraries/serilog","01.csharp/11.aspnet/09.libraries/04.serilog",{"title":1147,"path":1148,"stem":1149},"CQRS та Mediator з MediatR в ASP.NET Core","/csharp/aspnet/libraries/mediatr","01.csharp/11.aspnet/09.libraries/05.mediatr",{"title":1151,"path":1152,"stem":1153},"Відмовостійкість з Polly в ASP.NET Core","/csharp/aspnet/libraries/polly","01.csharp/11.aspnet/09.libraries/06.polly",{"title":1155,"path":1156,"stem":1157},"Health Checks в ASP.NET Core","/csharp/aspnet/libraries/health-checks","01.csharp/11.aspnet/09.libraries/07.health-checks",{"title":1159,"path":1160,"stem":1161},"Feature Management та Feature Flags в ASP.NET Core","/csharp/aspnet/libraries/feature-management","01.csharp/11.aspnet/09.libraries/08.feature-management",{"title":1163,"path":1164,"stem":1165},"Відправка Email з FluentEmail в ASP.NET Core","/csharp/aspnet/libraries/fluent-email","01.csharp/11.aspnet/09.libraries/09.fluent-email",{"title":1167,"path":1168,"stem":1169},"Генерація PDF з QuestPDF в ASP.NET Core","/csharp/aspnet/libraries/quest-pdf","01.csharp/11.aspnet/09.libraries/10.quest-pdf",{"title":1171,"path":1172,"stem":1173},"Генерація тестових даних з Bogus в ASP.NET Core","/csharp/aspnet/libraries/bogus","01.csharp/11.aspnet/09.libraries/11.bogus",{"title":1175,"path":1176,"stem":1177},"Humanizer та Guard Clauses в ASP.NET Core","/csharp/aspnet/libraries/humanizer-guard","01.csharp/11.aspnet/09.libraries/12.humanizer-guard",{"title":1179,"path":1180,"stem":1181},"План модуля 10.libraries — Популярні бібліотеки ASP.NET","/csharp/aspnet/libraries/plan","01.csharp/11.aspnet/09.libraries/plan",{"title":1183,"icon":1184,"path":1185,"stem":1186,"children":1187,"page":59},"Razor Pages","i-lucide-layout-template","/csharp/aspnet/razor-pages","01.csharp/11.aspnet/10.razor-pages",[1188,1192,1196,1200,1204,1208],{"title":1189,"path":1190,"stem":1191},"Від Minimal API до Razor Pages: концептуальний перехід","/csharp/aspnet/razor-pages/from-minimal-api","01.csharp/11.aspnet/10.razor-pages/01.from-minimal-api",{"title":1193,"path":1194,"stem":1195},"PageModel: логіка сторінки Razor Pages","/csharp/aspnet/razor-pages/page-model","01.csharp/11.aspnet/10.razor-pages/02.page-model",{"title":1197,"path":1198,"stem":1199},"Razor синтаксис: шаблонізатор у .cshtml","/csharp/aspnet/razor-pages/razor-syntax","01.csharp/11.aspnet/10.razor-pages/03.razor-syntax",{"title":1201,"path":1202,"stem":1203},"Tag Helpers: типізований HTML","/csharp/aspnet/razor-pages/tag-helpers","01.csharp/11.aspnet/10.razor-pages/04.tag-helpers",{"title":1205,"path":1206,"stem":1207},"Форми і валідація: повний цикл обробки даних","/csharp/aspnet/razor-pages/forms-validation","01.csharp/11.aspnet/10.razor-pages/05.forms-validation",{"title":1209,"path":1210,"stem":1211},"Практичний проєкт: TaskManager на Razor Pages","/csharp/aspnet/razor-pages/project-task-manager","01.csharp/11.aspnet/10.razor-pages/06.project-task-manager",{"title":1213,"path":1214,"stem":1215,"children":1216,"page":59},"ASP.NET Core MVC","/csharp/aspnet/mvc","01.csharp/11.aspnet/11.mvc",[1217,1221,1225,1229,1233,1237,1241,1245,1249,1253,1257,1261,1265,1269,1273,1277,1281,1285],{"title":1218,"path":1219,"stem":1220},"Патерн MVC: архітектура, що змінила веб","/csharp/aspnet/mvc/mvc-pattern","01.csharp/11.aspnet/11.mvc/01.mvc-pattern",{"title":1222,"path":1223,"stem":1224},"Від Razor Pages до MVC: концептуальний перехід","/csharp/aspnet/mvc/from-razor-pages","01.csharp/11.aspnet/11.mvc/02.from-razor-pages",{"title":1226,"path":1227,"stem":1228},"Controllers та Actions: серце MVC","/csharp/aspnet/mvc/controllers-actions","01.csharp/11.aspnet/11.mvc/03.controllers-actions",{"title":1230,"path":1231,"stem":1232},"Маршрутизація в MVC: Convention vs Attribute Routing","/csharp/aspnet/mvc/routing-mvc","01.csharp/11.aspnet/11.mvc/04.routing-mvc",{"title":1234,"path":1235,"stem":1236},"Model Binding: від HTTP до C#","/csharp/aspnet/mvc/model-binding","01.csharp/11.aspnet/11.mvc/05.model-binding",{"title":1238,"path":1239,"stem":1240},"Views, ViewData, ViewBag, TempData і ViewModel","/csharp/aspnet/mvc/views-viewdata-tempdata","01.csharp/11.aspnet/11.mvc/06.views-viewdata-tempdata",{"title":1242,"path":1243,"stem":1244},"Filters: аспектно-орієнтоване програмування в MVC","/csharp/aspnet/mvc/filters","01.csharp/11.aspnet/11.mvc/07.filters",{"title":1246,"path":1247,"stem":1248},"Areas: структурування великих застосунків","/csharp/aspnet/mvc/areas","01.csharp/11.aspnet/11.mvc/08.areas",{"title":1250,"path":1251,"stem":1252},"View Components: повторювані незалежні блоки UI","/csharp/aspnet/mvc/view-components","01.csharp/11.aspnet/11.mvc/09.view-components",{"title":1254,"path":1255,"stem":1256},"Display та Editor Templates","/csharp/aspnet/mvc/display-editor-templates","01.csharp/11.aspnet/11.mvc/10.display-editor-templates",{"title":1258,"path":1259,"stem":1260},"Валідація: IValidatableObject та FluentValidation","/csharp/aspnet/mvc/validation-advanced","01.csharp/11.aspnet/11.mvc/11.validation-advanced",{"title":1262,"path":1263,"stem":1264},"HTMX: інтерактивність через HTML-атрибути","/csharp/aspnet/mvc/htmx","01.csharp/11.aspnet/11.mvc/12.htmx",{"title":1266,"path":1267,"stem":1268},"HTMX у ASP.NET Core MVC: серверна інтеграція","/csharp/aspnet/mvc/ajax-htmx-mvc","01.csharp/11.aspnet/11.mvc/13.ajax-htmx-mvc",{"title":1270,"path":1271,"stem":1272},"Практичний проєкт: Каталог товарів з HTMX","/csharp/aspnet/mvc/htmx-project","01.csharp/11.aspnet/11.mvc/14.htmx-project",{"title":1274,"path":1275,"stem":1276},"Завантаження та обробка файлів","/csharp/aspnet/mvc/file-upload","01.csharp/11.aspnet/11.mvc/15.file-upload",{"title":1278,"path":1279,"stem":1280},"Глобалізація та Локалізація MVC","/csharp/aspnet/mvc/globalization-localization","01.csharp/11.aspnet/11.mvc/16.globalization-localization",{"title":1282,"path":1283,"stem":1284},"Підсумковий проєкт: Блог-платформа","/csharp/aspnet/mvc/mvc-project","01.csharp/11.aspnet/11.mvc/17.mvc-project",{"title":1286,"path":1287,"stem":1288},"План курсу: ASP.NET Core MVC","/csharp/aspnet/mvc/plan","01.csharp/11.aspnet/11.mvc/plan",{"title":1290,"path":1291,"stem":1292,"children":1293,"page":59},"Web Api","/csharp/aspnet/web-api","01.csharp/11.aspnet/12.web-api",[1294,1298,1302,1306,1310,1314,1318,1322,1326,1330,1334,1338,1342],{"title":1295,"path":1296,"stem":1297},"Від Minimal API до Controller-based API","/csharp/aspnet/web-api/from-minimal-api-to-controllers","01.csharp/11.aspnet/12.web-api/01.from-minimal-api-to-controllers",{"title":1299,"path":1300,"stem":1301},"ControllerBase, ActionResult\u003CT> та Response Types","/csharp/aspnet/web-api/controller-base-actionresult","01.csharp/11.aspnet/12.web-api/02.controller-base-actionresult",{"title":1303,"path":1304,"stem":1305},"Content Negotiation - JSON, XML та власні форматери","/csharp/aspnet/web-api/content-negotiation","01.csharp/11.aspnet/12.web-api/03.content-negotiation",{"title":1307,"path":1308,"stem":1309},"Версіонування API","/csharp/aspnet/web-api/api-versioning","01.csharp/11.aspnet/12.web-api/04.api-versioning",{"title":1311,"path":1312,"stem":1313},"ProblemDetails та структурована обробка помилок","/csharp/aspnet/web-api/problemdetails-error-handling","01.csharp/11.aspnet/12.web-api/05.problemdetails-error-handling",{"title":1315,"path":1316,"stem":1317},"Фільтри у Web API контексті","/csharp/aspnet/web-api/filters-for-api","01.csharp/11.aspnet/12.web-api/06.filters-for-api",{"title":1319,"path":1320,"stem":1321},"Пагінація, фільтрація та сортування","/csharp/aspnet/web-api/pagination-filtering-sorting","01.csharp/11.aspnet/12.web-api/07.pagination-filtering-sorting",{"title":1323,"path":1324,"stem":1325},"HATEOAS та Resource Expansion","/csharp/aspnet/web-api/hateoas-resource-expansion","01.csharp/11.aspnet/12.web-api/08.hateoas-resource-expansion",{"title":1327,"path":1328,"stem":1329},"Гібридна архітектура - Minimal API + Controllers","/csharp/aspnet/web-api/minimal-api-vs-controllers-hybrid","01.csharp/11.aspnet/12.web-api/09.minimal-api-vs-controllers-hybrid",{"title":1331,"path":1332,"stem":1333},"Документація API - Swashbuckle, NSwag та генерація клієнтів","/csharp/aspnet/web-api/api-documentation-generation","01.csharp/11.aspnet/12.web-api/10.api-documentation-generation",{"title":1335,"path":1336,"stem":1337},"Health Checks та моніторинг API","/csharp/aspnet/web-api/health-checks-monitoring","01.csharp/11.aspnet/12.web-api/11.health-checks-monitoring",{"title":1339,"path":1340,"stem":1341},"Підсумковий проєкт - Production-Ready REST API","/csharp/aspnet/web-api/web-api-project","01.csharp/11.aspnet/12.web-api/12.web-api-project",{"title":1343,"path":1344,"stem":1345},"План курсу: ASP.NET Core Web API (Controllers)","/csharp/aspnet/web-api/plan","01.csharp/11.aspnet/12.web-api/plan",{"title":1347,"icon":1348,"path":1349,"stem":1350,"children":1351,"page":59},"Desktop UI","i-lucide-app-window","/csharp/desktop-ui","01.csharp/12.desktop-ui",[1352,1356,1360,1364,1368,1372,1376,1380,1384,1388,1392,1396,1400,1404,1408,1412,1416,1420,1424,1428,1432,1436,1440,1444,1448,1452,1456,1460,1464,1468,1472,1476,1480,1484,1488,1492,1496,1500,1504,1508,1512,1516,1520,1524,1528,1532,1536,1540,1544,1548,1552,1556,1560,1564,1568,1572,1576,1580,1584,1588,1592,1596,1600,1604,1608,1612,1616,1620,1624,1628,1632],{"title":1353,"path":1354,"stem":1355},"Що таке десктопна розробка?","/csharp/desktop-ui/what-is-desktop-dev","01.csharp/12.desktop-ui/01.what-is-desktop-dev",{"title":1357,"path":1358,"stem":1359},"Архітектура WPF — як влаштований графічний інтерфейс","/csharp/desktop-ui/wpf-architecture","01.csharp/12.desktop-ui/02.wpf-architecture",{"title":1361,"path":1362,"stem":1363},"Перший WPF-проєкт — від нуля до вікна","/csharp/desktop-ui/first-wpf-app","01.csharp/12.desktop-ui/03.first-wpf-app",{"title":1365,"path":1366,"stem":1367},"Перший Avalonia-проєкт: WPF для всіх платформ","/csharp/desktop-ui/03a.first-avalonia-app","01.csharp/12.desktop-ui/03a.first-avalonia-app",{"title":1369,"path":1370,"stem":1371},"XAML: декларативний інтерфейс","/csharp/desktop-ui/xaml-basics","01.csharp/12.desktop-ui/04.xaml-basics",{"title":1373,"path":1374,"stem":1375},"Fluent UI у WPF — сучасний дизайн Windows 11","/csharp/desktop-ui/04a.wpf-fluent-ui","01.csharp/12.desktop-ui/04a.wpf-fluent-ui",{"title":1377,"path":1378,"stem":1379},"WPF UI — сучасна бібліотека Fluent контролів","/csharp/desktop-ui/04b.wpf-ui-library","01.csharp/12.desktop-ui/04b.wpf-ui-library",{"title":1381,"path":1382,"stem":1383},"HandyControl — велика бібліотека UI контролів для WPF","/csharp/desktop-ui/04c.handycontrol-library","01.csharp/12.desktop-ui/04c.handycontrol-library",{"title":1385,"path":1386,"stem":1387},"Простори імен та ресурси XAML","/csharp/desktop-ui/xaml-namespaces-resources","01.csharp/12.desktop-ui/05.xaml-namespaces-resources",{"title":1389,"path":1390,"stem":1391},"XAML в Avalonia: ключові відмінності від WPF","/csharp/desktop-ui/05a.avalonia-xaml-differences","01.csharp/12.desktop-ui/05a.avalonia-xaml-differences",{"title":1393,"path":1394,"stem":1395},"Розширення розмітки XAML (Markup Extensions)","/csharp/desktop-ui/xaml-markup-extensions","01.csharp/12.desktop-ui/06.xaml-markup-extensions",{"title":1397,"path":1398,"stem":1399},"Панелі Layout: StackPanel, WrapPanel, DockPanel","/csharp/desktop-ui/layout-panels-part1","01.csharp/12.desktop-ui/07.layout-panels-part1",{"title":1401,"path":1402,"stem":1403},"Grid, Canvas, UniformGrid","/csharp/desktop-ui/layout-panels-part2","01.csharp/12.desktop-ui/07.layout-panels-part2",{"title":1405,"path":1406,"stem":1407},"Просунуті техніки Layout","/csharp/desktop-ui/layout-advanced","01.csharp/12.desktop-ui/08.layout-advanced",{"title":1409,"path":1410,"stem":1411},"Адаптивний Layout та найкращі практики","/csharp/desktop-ui/layout-responsive","01.csharp/12.desktop-ui/09.layout-responsive",{"title":1413,"path":1414,"stem":1415},"Layout в Avalonia: відмінності та нові можливості","/csharp/desktop-ui/09a.layout-avalonia","01.csharp/12.desktop-ui/09a.layout-avalonia",{"title":1417,"path":1418,"stem":1419},"Button, Image, ProgressBar та інші базові контроли","/csharp/desktop-ui/basic-controls","01.csharp/12.desktop-ui/10.basic-controls",{"title":1421,"path":1422,"stem":1423},"Контроли в Avalonia: відмінності від WPF","/csharp/desktop-ui/10a.controls-avalonia","01.csharp/12.desktop-ui/10a.controls-avalonia",{"title":1425,"path":1426,"stem":1427},"Текстові контроли — TextBlock, TextBox, RichTextBox","/csharp/desktop-ui/text-controls","01.csharp/12.desktop-ui/11.text-controls",{"title":1429,"path":1430,"stem":1431},"Контроли вибору — CheckBox, RadioButton, ComboBox, ListBox, DatePicker","/csharp/desktop-ui/selection-controls","01.csharp/12.desktop-ui/12.selection-controls",{"title":1433,"path":1434,"stem":1435},"Content Model — GroupBox, Expander, TabControl, StatusBar","/csharp/desktop-ui/content-controls","01.csharp/12.desktop-ui/13.content-controls",{"title":1437,"path":1438,"stem":1439},"UI/UX принципи десктопних застосунків","/csharp/desktop-ui/13a.ui-ux-principles","01.csharp/12.desktop-ui/13a.ui-ux-principles",{"title":1441,"path":1442,"stem":1443},"Dependency Properties — Концепція та Value Resolution","/csharp/desktop-ui/dependency-properties-part1","01.csharp/12.desktop-ui/14.dependency-properties-part1",{"title":1445,"path":1446,"stem":1447},"Avalonia Property System — StyledProperty та DirectProperty","/csharp/desktop-ui/14a.avalonia-property-system","01.csharp/12.desktop-ui/14a.avalonia-property-system",{"title":1449,"path":1450,"stem":1451},"Attached Properties — Властивості без меж","/csharp/desktop-ui/attached-properties","01.csharp/12.desktop-ui/15.attached-properties",{"title":1453,"path":1454,"stem":1455},"Routed Events — Маршрутизація подій у WPF","/csharp/desktop-ui/routed-events","01.csharp/12.desktop-ui/16.routed-events",{"title":1457,"path":1458,"stem":1459},"Data Binding — Від Code-Behind до Декларативності","/csharp/desktop-ui/data-binding-basics-part1","01.csharp/12.desktop-ui/17.data-binding-basics-part1",{"title":1461,"path":1462,"stem":1463},"INotifyPropertyChanged — Живе оновлення UI","/csharp/desktop-ui/data-binding-basics-part2","01.csharp/12.desktop-ui/17.data-binding-basics-part2",{"title":1465,"path":1466,"stem":1467},"Compiled Bindings в Avalonia — Безпека на етапі компіляції","/csharp/desktop-ui/17a.avalonia-compiled-bindings","01.csharp/12.desktop-ui/17a.avalonia-compiled-bindings",{"title":1469,"path":1470,"stem":1471},"Просунутий Data Binding — ElementName, RelativeSource, MultiBinding","/csharp/desktop-ui/data-binding-advanced","01.csharp/12.desktop-ui/18.data-binding-advanced",{"title":1473,"path":1474,"stem":1475},"Value Converters — Перетворення типів даних у Data Binding","/csharp/desktop-ui/value-converters","01.csharp/12.desktop-ui/19.value-converters",{"title":1477,"path":1478,"stem":1479},"Data Templates — Візуалізація об'єктів у WPF","/csharp/desktop-ui/data-templates","01.csharp/12.desktop-ui/20.data-templates",{"title":1481,"path":1482,"stem":1483},"Collections Binding Part 1 — ObservableCollection та ItemsControl","/csharp/desktop-ui/collections-binding-part1","01.csharp/12.desktop-ui/21.collections-binding-part1",{"title":1485,"path":1486,"stem":1487},"Collections Binding Part 2 — ICollectionView, Filtering, Sorting та Virtualization","/csharp/desktop-ui/collections-binding-part2","01.csharp/12.desktop-ui/21.collections-binding-part2",{"title":1489,"path":1490,"stem":1491},"MVVM Pattern — Від Spaghetti Code до архітектури","/csharp/desktop-ui/mvvm-pattern","01.csharp/12.desktop-ui/22.mvvm-pattern",{"title":1493,"path":1494,"stem":1495},"ViewModel Implementation — Від BaseViewModel до валідації","/csharp/desktop-ui/viewmodel-implementation","01.csharp/12.desktop-ui/23.viewmodel-implementation",{"title":1497,"path":1498,"stem":1499},"Commands — Від event handlers до декларативних команд","/csharp/desktop-ui/commands","01.csharp/12.desktop-ui/24.commands",{"title":1501,"path":1502,"stem":1503},"MVVM Toolkit — MVVM без boilerplate через Source Generators","/csharp/desktop-ui/mvvm-toolkit","01.csharp/12.desktop-ui/25.mvvm-toolkit",{"title":1505,"path":1506,"stem":1507},"Messenger Pattern — Комунікація між ViewModel без прямих посилань","/csharp/desktop-ui/messenger-pattern","01.csharp/12.desktop-ui/26.messenger-pattern",{"title":1509,"path":1510,"stem":1511},"Стилі WPF — CSS для десктопу","/csharp/desktop-ui/styles-basics","01.csharp/12.desktop-ui/27.styles-basics",{"title":1513,"path":1514,"stem":1515},"CSS-like стилі Avalonia","/csharp/desktop-ui/27a.avalonia-css-styling","01.csharp/12.desktop-ui/27a.avalonia-css-styling",{"title":1517,"path":1518,"stem":1519},"Control Templates — Частина 1. Концепція та TemplateBinding","/csharp/desktop-ui/control-templates-part1","01.csharp/12.desktop-ui/28.control-templates-part1",{"title":1521,"path":1522,"stem":1523},"Control Templates — Частина 2. Named Parts та ContentPresenter","/csharp/desktop-ui/control-templates-part2","01.csharp/12.desktop-ui/28.control-templates-part2",{"title":1525,"path":1526,"stem":1527},"Control Themes в Avalonia — нова ера стилізації","/csharp/desktop-ui/28a.avalonia-control-themes","01.csharp/12.desktop-ui/28a.avalonia-control-themes",{"title":1529,"path":1530,"stem":1531},"Triggers та Visual State Manager у WPF","/csharp/desktop-ui/triggers-visual-states","01.csharp/12.desktop-ui/29.triggers-visual-states",{"title":1533,"path":1534,"stem":1535},"Pseudo-classes в Avalonia — замість WPF Triggers","/csharp/desktop-ui/29a.avalonia-pseudo-classes","01.csharp/12.desktop-ui/29a.avalonia-pseudo-classes",{"title":1537,"path":1538,"stem":1539},"Теми та ресурсні словники у WPF","/csharp/desktop-ui/resources-themes","01.csharp/12.desktop-ui/30.resources-themes",{"title":1541,"path":1542,"stem":1543},"Avalonia Themes — Fluent Design та система тематизації","/csharp/desktop-ui/30a.avalonia-themes-fluent","01.csharp/12.desktop-ui/30a.avalonia-themes-fluent",{"title":1545,"path":1546,"stem":1547},"Контроли колекцій — глибоке занурення","/csharp/desktop-ui/collection-controls","01.csharp/12.desktop-ui/31.collection-controls",{"title":1549,"path":1550,"stem":1551},"DataGrid — колонки та базове відображення","/csharp/desktop-ui/datagrid-part1","01.csharp/12.desktop-ui/32.datagrid-part1",{"title":1553,"path":1554,"stem":1555},"DataGrid — сортування, фільтрація, редагування","/csharp/desktop-ui/datagrid-part2","01.csharp/12.desktop-ui/32.datagrid-part2",{"title":1557,"path":1558,"stem":1559},"TreeView та GridView","/csharp/desktop-ui/treeview-listview","01.csharp/12.desktop-ui/33.treeview-listview",{"title":1561,"path":1562,"stem":1563},"Меню, Toolbar, ContextMenu, StatusBar","/csharp/desktop-ui/menus-toolbars","01.csharp/12.desktop-ui/34.menus-toolbars",{"title":1565,"path":1566,"stem":1567},"Навігація та керування вікнами. Частина 1: вікна та сторінки","/csharp/desktop-ui/navigation-windows-part1","01.csharp/12.desktop-ui/35.navigation-windows-part1",{"title":1569,"path":1570,"stem":1571},"Навігація та керування вікнами. Частина 2: MVVM-навігація","/csharp/desktop-ui/navigation-windows-part2","01.csharp/12.desktop-ui/35.navigation-windows-part2",{"title":1573,"path":1574,"stem":1575},"Avalonia — Навігація та діалоги","/csharp/desktop-ui/35a.avalonia-navigation-dialogs","01.csharp/12.desktop-ui/35a.avalonia-navigation-dialogs",{"title":1577,"path":1578,"stem":1579},"Діалоги та File Pickers у WPF","/csharp/desktop-ui/dialogs-file-pickers","01.csharp/12.desktop-ui/36.dialogs-file-pickers",{"title":1581,"path":1582,"stem":1583},"UserControl: компонентний підхід у WPF","/csharp/desktop-ui/user-controls","01.csharp/12.desktop-ui/37.user-controls",{"title":1585,"path":1586,"stem":1587},"Custom Controls: Lookless Controls у WPF","/csharp/desktop-ui/custom-controls","01.csharp/12.desktop-ui/38.custom-controls",{"title":1589,"path":1590,"stem":1591},"Avalonia TemplatedControl — Lookless Controls","/csharp/desktop-ui/38a.avalonia-templated-controls","01.csharp/12.desktop-ui/38a.avalonia-templated-controls",{"title":1593,"path":1594,"stem":1595},"Анімації у WPF: Storyboard та Easing Functions","/csharp/desktop-ui/animations-transitions","01.csharp/12.desktop-ui/39.animations-transitions",{"title":1597,"path":1598,"stem":1599},"Анімації в Avalonia","/csharp/desktop-ui/39a.avalonia-animations","01.csharp/12.desktop-ui/39a.avalonia-animations",{"title":1601,"path":1602,"stem":1603},"2D Графіка та Мультимедіа у WPF","/csharp/desktop-ui/media-graphics","01.csharp/12.desktop-ui/40.media-graphics",{"title":1605,"path":1606,"stem":1607},"Dependency Injection у WPF та Avalonia","/csharp/desktop-ui/di-integration","01.csharp/12.desktop-ui/41.di-integration",{"title":1609,"path":1610,"stem":1611},"SQLite та EF Core у десктопних додатках","/csharp/desktop-ui/data-persistence-part1","01.csharp/12.desktop-ui/42.data-persistence-part1",{"title":1613,"path":1614,"stem":1615},"Repository Pattern та Unit of Work","/csharp/desktop-ui/data-persistence-part2","01.csharp/12.desktop-ui/43.data-persistence-part2",{"title":1617,"path":1618,"stem":1619},"Тестування ViewModels","/csharp/desktop-ui/viewmodel-testing","01.csharp/12.desktop-ui/44.viewmodel-testing",{"title":1621,"path":1622,"stem":1623},"Avalonia Headless Testing — тестування UI без вікон","/csharp/desktop-ui/44a.avalonia-headless-testing","01.csharp/12.desktop-ui/44a.avalonia-headless-testing",{"title":1625,"path":1626,"stem":1627},"Кросплатформна розробка з Avalonia","/csharp/desktop-ui/avalonia-cross-platform","01.csharp/12.desktop-ui/45.avalonia-cross-platform",{"title":1629,"path":1630,"stem":1631},"Пакування та розгортання Avalonia додатків","/csharp/desktop-ui/avalonia-packaging-deployment","01.csharp/12.desktop-ui/46.avalonia-packaging-deployment",{"title":1633,"path":1634,"stem":1635},"Розгортання WPF застосунків","/csharp/desktop-ui/wpf-packaging-deployment","01.csharp/12.desktop-ui/47.wpf-packaging-deployment",{"title":1637,"path":1638,"stem":1639},"C# & .NET: The Ultimate Roadmap","/csharp/roadmap","01.csharp/roadmap",{"title":1641,"icon":1642,"path":1643,"stem":1644,"children":1645,"page":59},"C++","i-devicon-cplusplus","/cpp","02.cpp",[1646,1650,1654,1658,1662,1666,1670,1674,1678,1681,1685,1689,1693,1697,1701,1705,1709,1713,1717,1721,1725,1729,1733,1737,1741,1745,1749,1753,1757,1761],{"title":1647,"path":1648,"stem":1649},"Вступ у програмування та алгоритми","/cpp/intro-algorithms","02.cpp/01.intro-algorithms",{"title":1651,"path":1652,"stem":1653},"Code Style: угоди про оформлення коду","/cpp/code-style","02.cpp/02.code-style",{"title":1655,"path":1656,"stem":1657},"Середовище розробки та перший 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типу void","/cpp/void-pointers","02.cpp/20.void-pointers",{"title":1726,"path":1727,"stem":1728},"Вказівники на вказівники","/cpp/pointers-to-pointers","02.cpp/21.pointers-to-pointers",{"title":1730,"path":1731,"stem":1732},"Оператор доступу до членів через вказівник (->)","/cpp/member-access-operator","02.cpp/22.member-access-operator",{"title":1734,"path":1735,"stem":1736},"Цикл for-each (Range-based for)","/cpp/foreach-loop","02.cpp/23.foreach-loop",{"title":1738,"path":1739,"stem":1740},"Вказівники на функції","/cpp/function-pointers","02.cpp/24.function-pointers",{"title":1742,"path":1743,"stem":1744},"Лямбда-вирази","/cpp/lambdas","02.cpp/25.lambdas",{"title":1746,"path":1747,"stem":1748},"Лямбда-захоплення","/cpp/lambda-captures","02.cpp/26.lambda-captures",{"title":1750,"path":1751,"stem":1752},"Еліпсис","/cpp/ellipsis","02.cpp/27.ellipsis",{"title":1754,"path":1755,"stem":1756},"Аргументи командного рядка","/cpp/command-line-arguments","02.cpp/28.command-line-arguments",{"title":1758,"path":1759,"stem":1760},"Перерахування (enum)","/cpp/enum","02.cpp/29.enum",{"title":1762,"path":1763,"stem":1764},"План навчання: Курс C++ — Продовження (Статті 29–60+)","/cpp/curriculum-plan","02.cpp/curriculum-plan",{"title":1766,"icon":1767,"path":1768,"stem":1769,"children":1770,"page":59},"JavaScript","i-devicon-javascript","/javascript","03.javascript",[1771,1797,1851,1873,2177,2215],{"title":1772,"icon":1773,"path":1774,"stem":1775,"children":1776,"page":59},"Events","i-lucide-mouse-pointer-click","/javascript/events","03.javascript/01.events",[1777,1781,1785,1789,1793],{"title":1778,"path":1779,"stem":1780},"Вступ до подій браузера","/javascript/events/intro","03.javascript/01.events/01.intro",{"title":1782,"path":1783,"stem":1784},"Бульбашковий механізм (Bubbling) та занурення (Capturing)","/javascript/events/bubbling-capturing","03.javascript/01.events/02.bubbling-capturing",{"title":1786,"path":1787,"stem":1788},"Делегування подій (Event Delegation)","/javascript/events/delegate-events","03.javascript/01.events/03.delegate-events",{"title":1790,"path":1791,"stem":1792},"Типові дії браузера та preventDefault()","/javascript/events/prevent-default","03.javascript/01.events/04.prevent-default",{"title":1794,"path":1795,"stem":1796},"Запуск користувацьких подій (Custom Events)","/javascript/events/custom-events","03.javascript/01.events/05.custom-events",{"title":1798,"icon":1799,"path":1800,"stem":1801,"children":1802,"page":59},"Network","i-lucide-globe","/javascript/network","03.javascript/02.network",[1803,1807,1811,1815,1819,1823,1827,1831,1835,1839,1843,1847],{"title":1804,"path":1805,"stem":1806},"Fetch API - Сучасний підхід до HTTP-запитів","/javascript/network/01-fetch-api","03.javascript/02.network/01-fetch-api",{"title":1808,"path":1809,"stem":1810},"FormData - Робота з формами та файлами","/javascript/network/02-formdata","03.javascript/02.network/02-formdata",{"title":1812,"path":1813,"stem":1814},"Відстеження прогресу завантаження","/javascript/network/03-download-progress","03.javascript/02.network/03-download-progress",{"title":1816,"path":1817,"stem":1818},"Переривання fetch-запитів","/javascript/network/04-abort-requests","03.javascript/02.network/04-abort-requests",{"title":1820,"path":1821,"stem":1822},"CORS - Запити між різними джерелами","/javascript/network/05-cors","03.javascript/02.network/05-cors",{"title":1824,"path":1825,"stem":1826},"Fetch API - Повний довідник опцій","/javascript/network/06-fetch-options","03.javascript/02.network/06-fetch-options",{"title":1828,"path":1829,"stem":1830},"URL Objects - Робота з посиланнями","/javascript/network/07-url-objects","03.javascript/02.network/07-url-objects",{"title":1832,"path":1833,"stem":1834},"XMLHttpRequest - AJAX та низькорівневі запити","/javascript/network/08-xmlhttprequest","03.javascript/02.network/08-xmlhttprequest",{"title":1836,"path":1837,"stem":1838},"Відновлюване завантаження файлів","/javascript/network/09-resumable-upload","03.javascript/02.network/09-resumable-upload",{"title":1840,"path":1841,"stem":1842},"Cookies, document.cookie та світ після \"Cookiepocalypse\"","/javascript/network/10-cookies","03.javascript/02.network/10-cookies",{"title":1844,"path":1845,"stem":1846},"js-cookie: Керування Cookies без Болю","/javascript/network/11-js-cookie","03.javascript/02.network/11-js-cookie",{"title":1848,"path":1849,"stem":1850},"Axios: Потужний HTTP-клієнт для JavaScript","/javascript/network/12-axios","03.javascript/02.network/12-axios",{"title":1852,"icon":1853,"path":1854,"stem":1855,"children":1856,"page":59},"Bom","i-lucide-monitor","/javascript/bom","03.javascript/03.bom",[1857,1861,1865,1869],{"title":1858,"path":1859,"stem":1860},"LocalStorage, SessionStorage та patterns збереження даних","/javascript/bom/01-localstorage","03.javascript/03.bom/01-localstorage",{"title":1862,"path":1863,"stem":1864},"Location Object - Керування адресою сторінки","/javascript/bom/02-location-object","03.javascript/03.bom/02-location-object",{"title":1866,"path":1867,"stem":1868},"History API - Керування історією браузера","/javascript/bom/03-history-api","03.javascript/03.bom/03-history-api",{"title":1870,"path":1871,"stem":1872},"Navigator Object - Ідентифікація та Можливості Пристрою","/javascript/bom/04-navigator-object","03.javascript/03.bom/04-navigator-object",{"title":1874,"icon":1875,"path":1876,"stem":1877,"children":1878},"React","i-devicon-react","/javascript/react","03.javascript/04.react/index",[1879,1880,1884,1888,1892,1896,1959,1994,2146],{"title":1874,"path":1876,"stem":1877},{"title":1881,"path":1882,"stem":1883},"Робота з Формами в React","/javascript/react/react-forms","03.javascript/04.react/01.react-forms",{"title":1885,"path":1886,"stem":1887},"React Hook Form: Професійна Робота з Формами","/javascript/react/react-hook-form","03.javascript/04.react/02.react-hook-form",{"title":1889,"path":1890,"stem":1891},"React Hook Form: Глибоке Розуміння Архітектури та Оптимізації","/javascript/react/react-hook-form-new","03.javascript/04.react/02.react-hook-form-new",{"title":1893,"path":1894,"stem":1895},"Axios та React: Професійна Архітектура Запитів","/javascript/react/data-fetching-axios","03.javascript/04.react/03.data-fetching-axios",{"title":1897,"icon":132,"path":1898,"stem":1899,"children":1900},"Tanstack Query","/javascript/react/tanstack-query","03.javascript/04.react/04.tanstack-query/index",[1901,1903,1907,1911,1915,1919,1923,1927,1931,1935,1939,1943,1947,1951,1955],{"title":1902,"path":1898,"stem":1899},"TanStack Query: Майстерність Керування Станом Сервера",{"title":1904,"path":1905,"stem":1906},"Парадигма Server State: Чому useEffect недостатньо","/javascript/react/tanstack-query/server-state-paradigm","03.javascript/04.react/04.tanstack-query/01.server-state-paradigm",{"title":1908,"path":1909,"stem":1910},"Встановлення та Налаштування: Фундамент","/javascript/react/tanstack-query/installation-and-devtools","03.javascript/04.react/04.tanstack-query/02.installation-and-devtools",{"title":1912,"path":1913,"stem":1914},"Основи Запитів та Магія Ключів","/javascript/react/tanstack-query/query-basics-and-keys","03.javascript/04.react/04.tanstack-query/03.query-basics-and-keys",{"title":1916,"path":1917,"stem":1918},"Синхронізація Даних: Життєвий Цикл Запиту","/javascript/react/tanstack-query/data-synchronization","03.javascript/04.react/04.tanstack-query/04.data-synchronization",{"title":1920,"path":1921,"stem":1922},"Мутації та Інвалідація: Зміна Даних","/javascript/react/tanstack-query/mutations-and-invalidation","03.javascript/04.react/04.tanstack-query/05.mutations-and-invalidation",{"title":1924,"path":1925,"stem":1926},"Оптимістичні Оновлення: Швидше за Світло","/javascript/react/tanstack-query/optimistic-updates","03.javascript/04.react/04.tanstack-query/06.optimistic-updates",{"title":1928,"path":1929,"stem":1930},"Пагінація та Infinite Scroll","/javascript/react/tanstack-query/pagination-and-load-more","03.javascript/04.react/04.tanstack-query/07.pagination-and-load-more",{"title":1932,"path":1933,"stem":1934},"Просунуті Патерни та Оптимізація","/javascript/react/tanstack-query/advanced-patterns","03.javascript/04.react/04.tanstack-query/08.advanced-patterns",{"title":1936,"path":1937,"stem":1938},"Архітектура та Best Practices","/javascript/react/tanstack-query/architecture-and-best-practices","03.javascript/04.react/04.tanstack-query/09.architecture-and-best-practices",{"title":1940,"path":1941,"stem":1942},"Server-Side Rendering (SSR) та Гідратація","/javascript/react/tanstack-query/server-side-rendering","03.javascript/04.react/04.tanstack-query/10.server-side-rendering",{"title":1944,"path":1945,"stem":1946},"Стратегії Тестування","/javascript/react/tanstack-query/testing-strategies","03.javascript/04.react/04.tanstack-query/11.testing-strategies",{"title":1948,"path":1949,"stem":1950},"Аутентифікація та Обробка Помилок","/javascript/react/tanstack-query/authentication-and-errors","03.javascript/04.react/04.tanstack-query/12.authentication-and-errors",{"title":1952,"path":1953,"stem":1954},"React Suspense та Майбутнє","/javascript/react/tanstack-query/react-suspense","03.javascript/04.react/04.tanstack-query/13.react-suspense",{"title":1956,"path":1957,"stem":1958},"Глибоке Занурення в Продуктивність","/javascript/react/tanstack-query/performance-deep-dive","03.javascript/04.react/04.tanstack-query/14.performance-deep-dive",{"title":1960,"icon":1875,"path":1961,"stem":1962,"children":1963},"React Router","/javascript/react/react-router","03.javascript/04.react/05.react-router/index",[1964,1966,1970,1974,1978,1982,1986,1990],{"title":1965,"path":1961,"stem":1962},"React Router: Навігаційна система сучасного вебу",{"title":1967,"path":1968,"stem":1969},"Налаштування та Базовий Роутинг","/javascript/react/react-router/setup-and-basic-routing","03.javascript/04.react/05.react-router/01.setup-and-basic-routing",{"title":1971,"path":1972,"stem":1973},"Динамічна Навігація","/javascript/react/react-router/navigation-and-links","03.javascript/04.react/05.react-router/02.navigation-and-links",{"title":1975,"path":1976,"stem":1977},"Вкладені Маршрути та Макети","/javascript/react/react-router/nested-routes-and-layouts","03.javascript/04.react/05.react-router/03.nested-routes-and-layouts",{"title":1979,"path":1980,"stem":1981},"Динамічні Маршрути та Параметри","/javascript/react/react-router/dynamic-routing","03.javascript/04.react/05.react-router/04.dynamic-routing",{"title":1983,"path":1984,"stem":1985},"Data APIs: Loaders та Actions","/javascript/react/react-router/data-loading","03.javascript/04.react/05.react-router/05.data-loading",{"title":1987,"path":1988,"stem":1989},"Просунуті Патерни","/javascript/react/react-router/advanced-patterns","03.javascript/04.react/05.react-router/06.advanced-patterns",{"title":1991,"path":1992,"stem":1993},"Legacy Routing: Компонентний підхід","/javascript/react/react-router/legacy-routing","03.javascript/04.react/05.react-router/07.legacy-routing",{"title":1995,"icon":132,"path":1996,"stem":1997,"children":1998},"Redux","/javascript/react/redux","03.javascript/04.react/06.redux/index",[1999,2001,2017,2046,2055,2076,2092,2121],{"title":2000,"path":1996,"stem":1997},"Redux: Еволюція управління станом",{"title":14,"icon":15,"path":2002,"stem":2003,"children":2004,"page":59},"/javascript/react/redux/fundamentals","03.javascript/04.react/06.redux/01.fundamentals",[2005,2009,2013],{"title":2006,"path":2007,"stem":2008},"Вступ до State Management","/javascript/react/redux/fundamentals/intro-state-management","03.javascript/04.react/06.redux/01.fundamentals/01.intro-state-management",{"title":2010,"path":2011,"stem":2012},"Філософія Redux та Три Принципи","/javascript/react/redux/fundamentals/redux-philosophy","03.javascript/04.react/06.redux/01.fundamentals/02.redux-philosophy",{"title":2014,"path":2015,"stem":2016},"Чисті функції та Іммутабельність","/javascript/react/redux/fundamentals/pure-functions-immutability","03.javascript/04.react/06.redux/01.fundamentals/03.pure-functions-immutability",{"title":2018,"icon":132,"path":2019,"stem":2020,"children":2021,"page":59},"Classic Redux","/javascript/react/redux/classic-redux","03.javascript/04.react/06.redux/02.classic-redux",[2022,2026,2030,2034,2038,2042],{"title":2023,"path":2024,"stem":2025},"Створення Store (Classic Redux)","/javascript/react/redux/classic-redux/store-setup","03.javascript/04.react/06.redux/02.classic-redux/01.store-setup",{"title":2027,"path":2028,"stem":2029},"Actions, Constants та Action Creators","/javascript/react/redux/classic-redux/actions-constants","03.javascript/04.react/06.redux/02.classic-redux/02.actions-constants",{"title":2031,"path":2032,"stem":2033},"Логіка Reducers","/javascript/react/redux/classic-redux/reducers","03.javascript/04.react/06.redux/02.classic-redux/03.reducers",{"title":2035,"path":2036,"stem":2037},"Комбінування Reducers (Root Reducer)","/javascript/react/redux/classic-redux/data-flow","03.javascript/04.react/06.redux/02.classic-redux/04.data-flow",{"title":2039,"path":2040,"stem":2041},"Підключення до React (React-Redux)","/javascript/react/redux/classic-redux/react-redux-connection","03.javascript/04.react/06.redux/02.classic-redux/05.react-redux-connection",{"title":2043,"path":2044,"stem":2045},"Middleware та Асинхронність (Redux Thunk)","/javascript/react/redux/classic-redux/middleware-thunk","03.javascript/04.react/06.redux/02.classic-redux/06.middleware-thunk",{"title":2047,"icon":132,"path":2048,"stem":2049,"children":2050,"page":59},"Transition To Rtk","/javascript/react/redux/transition-to-rtk","03.javascript/04.react/06.redux/03.transition-to-rtk",[2051],{"title":2052,"path":2053,"stem":2054},"Проблеми класичного Redux","/javascript/react/redux/transition-to-rtk/problems-with-classic","03.javascript/04.react/06.redux/03.transition-to-rtk/01.problems-with-classic",{"title":2056,"icon":132,"path":2057,"stem":2058,"children":2059,"page":59},"Redux Toolkit","/javascript/react/redux/redux-toolkit","03.javascript/04.react/06.redux/04.redux-toolkit",[2060,2064,2068,2072],{"title":2061,"path":2062,"stem":2063},"Налаштування Store з 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дружити","/java/pr2/impedance-mismatch","04.java/pr2/09.impedance-mismatch",{"title":2285,"path":2286,"stem":2287},"JDBC: Перший контакт із базою даних","/java/pr2/jdbc-fundamentals","04.java/pr2/10.jdbc-fundamentals",{"title":2289,"path":2290,"stem":2291},"Якість коду: Spotless, SpotBugs та SonarQube","/java/pr2/10a.code-quality","04.java/pr2/10a.code-quality",{"title":2293,"path":2294,"stem":2295},"Connection Pool: Патерн Object Pool для JDBC-з'єднань","/java/pr2/connection-pool","04.java/pr2/11.connection-pool",{"title":2297,"path":2298,"stem":2299},"Row Data Gateway: Об'єкт як обгортка рядка таблиці","/java/pr2/row-data-gateway","04.java/pr2/12.row-data-gateway",{"title":2301,"path":2302,"stem":2303},"Table Data Gateway: Фасад таблиці як архітектурний відступ","/java/pr2/table-data-gateway","04.java/pr2/13.table-data-gateway",{"title":2305,"path":2306,"stem":2307},"Repository + Data Mapper: Правильна шарова архітектура з JDBC","/java/pr2/repository-data-mapper","04.java/pr2/14.repository-data-mapper",{"title":2309,"path":2310,"stem":2311},"Identity Map: Кешування сутностей у рамках сесії","/java/pr2/identity-map","04.java/pr2/15.identity-map",{"title":2313,"path":2314,"stem":2315},"Unit of Work: Відстеження змін і координація JDBC-транзакцій","/java/pr2/unit-of-work","04.java/pr2/16.unit-of-work",{"title":2317,"path":2318,"stem":2319},"Strategy: Замінювані SQL-стратегії для підтримки різних СУБД","/java/pr2/strategy-sql","04.java/pr2/17.strategy-sql",{"title":2321,"path":2322,"stem":2323},"Proxy: Lazy Loading для One-To-Many колекцій","/java/pr2/proxy-lazy-loading","04.java/pr2/18.proxy-lazy-loading",{"title":2325,"path":2326,"stem":2327},"Generic Repository через Java Reflection: анотації та динамічний SQL","/java/pr2/generic-repository-reflection","04.java/pr2/19.generic-repository-reflection",{"title":2329,"path":2330,"stem":2331},"Specification Pattern: Композиція бізнес-правил для складних 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БД","/databases/intro/logical-schema","06.databases/01.intro/04.logical-schema",{"title":2381,"path":2382,"stem":2383},"Класифікація таблиць","/databases/intro/table-classification","06.databases/01.intro/05.table-classification",{"title":2385,"path":2386,"stem":2387},"PlantUML для баз даних","/databases/intro/plantuml-diagrams","06.databases/01.intro/06.plantuml-diagrams",{"title":2389,"icon":2354,"path":2390,"stem":2391,"children":2392,"page":59},"MS SQL Server Start","/databases/ms-sql-server-start","06.databases/02.ms-sql-server-start",[2393,2397,2403,2407],{"title":2394,"path":2395,"stem":2396},"Типи даних у MS SQL Server","/databases/ms-sql-server-start/data-types","06.databases/02.ms-sql-server-start/01.data-types",{"title":2398,"path":2399,"stem":2400,"children":2401},"Індекси у MS SQL 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TABLE)","/databases/sql/ddl-create-table","06.databases/03.sql/01.ddl-create-table",{"title":2425,"path":2426,"stem":2427},"DDL - Зміна та видалення таблиць (ALTER, DROP)","/databases/sql/ddl-alter-drop-table","06.databases/03.sql/02.ddl-alter-drop-table",{"title":2429,"path":2430,"stem":2431},"SELECT запити - Основи","/databases/sql/select-queries-fundamentals","06.databases/03.sql/03.select-queries-fundamentals",{"title":2433,"path":2434,"stem":2435},"SELECT запити - Розширені можливості","/databases/sql/select-queries-advanced","06.databases/03.sql/04.select-queries-advanced",{"title":2437,"path":2438,"stem":2439},"INSERT запити - Додавання даних","/databases/sql/insert-queries","06.databases/03.sql/05.insert-queries",{"title":2441,"path":2442,"stem":2443},"UPDATE та DELETE запити","/databases/sql/update-delete-queries","06.databases/03.sql/06.update-delete-queries",{"title":2445,"path":2446,"stem":2447},"Транзакції в SQL","/databases/sql/transactions","06.databases/03.sql/07.transactions",{"title":2449,"icon":2354,"path":2450,"stem":2451,"children":2452,"page":59},"Multi Table Databases","/databases/multi-table-databases","06.databases/04.multi-table-databases",[2453,2457,2461,2465,2469,2473],{"title":2454,"path":2455,"stem":2456},"Зв'язки та нормалізація БД","/databases/multi-table-databases/relationships-and-normalization","06.databases/04.multi-table-databases/00.relationships-and-normalization",{"title":2458,"path":2459,"stem":2460},"INNER JOIN - З'єднання таблиць","/databases/multi-table-databases/inner-join","06.databases/04.multi-table-databases/01.inner-join",{"title":2462,"path":2463,"stem":2464},"OUTER JOINs - LEFT, RIGHT, FULL","/databases/multi-table-databases/outer-joins","06.databases/04.multi-table-databases/02.outer-joins",{"title":2466,"path":2467,"stem":2468},"CROSS та SELF JOINs","/databases/multi-table-databases/cross-self-joins","06.databases/04.multi-table-databases/03.cross-self-joins",{"title":2470,"path":2471,"stem":2472},"Підзапити (Subqueries)","/databases/multi-table-databases/subqueries","06.databases/04.multi-table-databases/04.subqueries",{"title":2474,"path":2475,"stem":2476},"Агрегації з JOIN","/databases/multi-table-databases/aggregations-with-joins","06.databases/04.multi-table-databases/05.aggregations-with-joins",{"title":2478,"icon":2479,"path":2480,"stem":2481,"children":2482,"page":59},"Aggregate Functions","i-lucide-calculator","/databases/aggregate-functions","06.databases/05.aggregate-functions",[2483,2487,2491],{"title":2484,"path":2485,"stem":2486},"Функції агрегування в MS SQL Server","/databases/aggregate-functions/introduction-aggregate-functions","06.databases/05.aggregate-functions/01.introduction-aggregate-functions",{"title":2488,"path":2489,"stem":2490},"Групування даних в MS SQL Server","/databases/aggregate-functions/grouping-data","06.databases/05.aggregate-functions/02.grouping-data",{"title":2492,"path":2493,"stem":2494},"Підзапити з агрегатними функціями","/databases/aggregate-functions/subqueries-aggregates","06.databases/05.aggregate-functions/03.subqueries-aggregates",{"title":2496,"icon":2497,"path":2498,"stem":2499,"children":2500,"page":59},"Тригери та зберігаємі процедури","i-lucide-database-zap","/databases/triggers-stored-procedures","06.databases/07.triggers-stored-procedures",[2501,2505,2509,2513,2517,2521,2525],{"title":2502,"path":2503,"stem":2504},"DML-тригери","/databases/triggers-stored-procedures/dml-triggers","06.databases/07.triggers-stored-procedures/01.dml-triggers",{"title":2506,"path":2507,"stem":2508},"DDL-тригери","/databases/triggers-stored-procedures/ddl-triggers","06.databases/07.triggers-stored-procedures/02.ddl-triggers",{"title":2510,"path":2511,"stem":2512},"Transact-SQL розширення","/databases/triggers-stored-procedures/transact-sql-extensions","06.databases/07.triggers-stored-procedures/03.transact-sql-extensions",{"title":2514,"path":2515,"stem":2516},"Транзакції","/databases/triggers-stored-procedures/transactions","06.databases/07.triggers-stored-procedures/04.transactions",{"title":2518,"path":2519,"stem":2520},"Зберігаємі процедури","/databases/triggers-stored-procedures/stored-procedures","06.databases/07.triggers-stored-procedures/05.stored-procedures",{"title":2522,"path":2523,"stem":2524},"Користувацькі функції","/databases/triggers-stored-procedures/user-defined-functions","06.databases/07.triggers-stored-procedures/06.user-defined-functions",{"title":2526,"path":2527,"stem":2528},"Безпека баз 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пошук","i-lucide-search","/databases/full-text-search","06.databases/10.full-text-search",[2556],{"title":2551,"path":2557,"stem":2558},"/databases/full-text-search/full-text-search","06.databases/10.full-text-search/01.full-text-search",{"title":2560,"icon":2561,"path":2562,"stem":2563,"children":2564,"page":59},"Tools","i-lucide-wrench","/tools","07.tools",[2565],{"title":2566,"icon":2567,"path":2568,"stem":2569,"children":2570},"Docker","i-simple-icons-docker","/tools/docker","07.tools/01.docker/index",[2571,2573,2577,2581,2585,2589,2593,2597,2601,2605,2609,2613,2617,2621,2625,2629,2633,2637],{"title":2572,"path":2568,"stem":2569},"Docker: від нуля до production",{"title":2574,"path":2575,"stem":2576},"Контейнеризація — від проблеми до рішення","/tools/docker/containerization-concept","07.tools/01.docker/01.containerization-concept",{"title":2578,"path":2579,"stem":2580},"Docker — що це і навіщо?","/tools/docker/docker-what-and-why","07.tools/01.docker/02.docker-what-and-why",{"title":2582,"path":2583,"stem":2584},"Архітектура Docker Engine","/tools/docker/docker-architecture","07.tools/01.docker/03.docker-architecture",{"title":2586,"path":2587,"stem":2588},"Встановлення Docker","/tools/docker/installation","07.tools/01.docker/04.installation",{"title":2590,"path":2591,"stem":2592},"Перший контейнер — docker run","/tools/docker/first-container","07.tools/01.docker/05.first-container",{"title":2594,"path":2595,"stem":2596},"Життєвий цикл контейнера","/tools/docker/container-lifecycle","07.tools/01.docker/06.container-lifecycle",{"title":2598,"path":2599,"stem":2600},"Docker Images — фундаментальні концепції","/tools/docker/docker-images-fundamentals","07.tools/01.docker/07.docker-images-fundamentals",{"title":2602,"path":2603,"stem":2604},"Dockerfile — основи","/tools/docker/dockerfile-basics","07.tools/01.docker/08.dockerfile-basics",{"title":2606,"path":2607,"stem":2608},"Dockerfile — просунуті техніки","/tools/docker/dockerfile-advanced","07.tools/01.docker/09.dockerfile-advanced",{"title":2610,"path":2611,"stem":2612},"Build Context та кешування шарів","/tools/docker/build-context-and-cache","07.tools/01.docker/10.build-context-and-cache",{"title":2614,"path":2615,"stem":2616},"Реєстри Docker-образів","/tools/docker/image-registries","07.tools/01.docker/11.image-registries",{"title":2618,"path":2619,"stem":2620},"Контейнеризація .NET додатків","/tools/docker/dotnet-containerization","07.tools/01.docker/12.dotnet-containerization",{"title":2622,"path":2623,"stem":2624},"Томи та збереження даних","/tools/docker/volumes-and-data","07.tools/01.docker/13.volumes-and-data",{"title":2626,"path":2627,"stem":2628},"Основи мережі в Docker","/tools/docker/networking-basics","07.tools/01.docker/14.networking-basics",{"title":2630,"path":2631,"stem":2632},"Змінні оточення та конфігурація","/tools/docker/environment-and-configuration","07.tools/01.docker/15.environment-and-configuration",{"title":2634,"path":2635,"stem":2636},"Docker Compose — оркестрація контейнерів","/tools/docker/docker-compose-basics","07.tools/01.docker/16.docker-compose-basics",{"title":2638,"path":2639,"stem":2640},"Docker Compose — Multi-Service застосунки","/tools/docker/compose-multi-service","07.tools/01.docker/17.compose-multi-service",{"title":2642,"icon":2643,"path":2644,"stem":2645,"children":2646,"page":59},"Software Engineering","i-lucide-code-2","/software-engineering","09.software-engineering",[2647,2651,2655,2659,2663,2667,2671,2675,2679,2683,2687],{"title":2648,"path":2649,"stem":2650},"1. Аналіз предметної області. Експертні знання та складність","/software-engineering/intro.subdomains","09.software-engineering/01.intro.subdomains",{"title":2652,"path":2653,"stem":2654},"2. Обмежені контексти. Інтеграція обмежених контекстів","/software-engineering/integrating-limited-contexts","09.software-engineering/02.integrating-limited-contexts",{"title":2656,"path":2657,"stem":2658},"3. Реалізація простої бізнес-логіки","/software-engineering/simple","09.software-engineering/03.simple",{"title":2660,"path":2661,"stem":2662},"4. Опрацювання складної бізнес-логіки","/software-engineering/complex-business-logic","09.software-engineering/04.complex-business-logic",{"title":2664,"path":2665,"stem":2666},"5. Моделювання фактора часу. Подієво-орієнтована архітектура.","/software-engineering/modelling-the-time-factor","09.software-engineering/05.modelling-the-time-factor",{"title":2668,"path":2669,"stem":2670},"6. Архітектурні патерни","/software-engineering/architectural-patterns","09.software-engineering/06.architectural-patterns",{"title":2672,"path":2673,"stem":2674},"Паттерни взаємодії","/software-engineering/patterns-of-interaction","09.software-engineering/07.patterns-of-interaction",{"title":2676,"path":2677,"stem":2678},"Евристика проєктування","/software-engineering/design-heuristics","09.software-engineering/08.design-heuristics",{"title":2680,"path":2681,"stem":2682},"Еволюція проєктних рішень","/software-engineering/evolution-of-design-solutions","09.software-engineering/09.evolution-of-design-solutions",{"title":2684,"path":2685,"stem":2686},"EventStorming","/software-engineering/eventstorming","09.software-engineering/10.eventstorming",{"title":2688,"path":2689,"stem":2690},"DDD на практиці","/software-engineering/ddd-in-practice","09.software-engineering/11.ddd-in-practice",{"title":2692,"icon":943,"path":2693,"stem":2694,"children":2695,"page":59},"DDD","/ddd","10.ddd",[2696,2700,2704,2708,2712,2716,2720,2724,2728,2732,2736,2740,2744],{"title":2697,"path":2698,"stem":2699},"Аналіз предметної області","/ddd/domain-analysis","10.ddd/01.domain-analysis",{"title":2701,"path":2702,"stem":2703},"Експертні знання про предметну область","/ddd/domain-expert-knowledge","10.ddd/02.domain-expert-knowledge",{"title":2705,"path":2706,"stem":2707},"Як осмислити складність предметної області","/ddd/managing-domain-complexity","10.ddd/03.managing-domain-complexity",{"title":2709,"path":2710,"stem":2711},"Інтеграція обмежених контекстів","/ddd/bounded-context-integration","10.ddd/04.bounded-context-integration",{"title":2713,"path":2714,"stem":2715},"Реалізація простої бізнес-логіки","/ddd/simple-business-logic","10.ddd/05.simple-business-logic",{"title":2717,"path":2718,"stem":2719},"Обробка складної бізнес-логіки","/ddd/complex-business-logic","10.ddd/06.complex-business-logic",{"title":2721,"path":2722,"stem":2723},"Моделювання фактора часу","/ddd/time-modeling","10.ddd/07.time-modeling",{"title":2725,"path":2726,"stem":2727},"Глава 8. Архітектурні Патерни","/ddd/architectural-patterns","10.ddd/08.architectural-patterns",{"title":2729,"path":2730,"stem":2731},"Глава 9. Патерни Взаємодії","/ddd/interaction-patterns","10.ddd/09.interaction-patterns",{"title":2733,"path":2734,"stem":2735},"Глава 10. Проектні Евристики","/ddd/design-heuristics","10.ddd/10.design-heuristics",{"title":2737,"path":2738,"stem":2739},"Глава 11. Еволюція Проектних Рішень","/ddd/evolution-of-design-decisions","10.ddd/11.evolution-of-design-decisions",{"title":2741,"path":2742,"stem":2743},"Глава 12. EventStorming","/ddd/event-storming","10.ddd/12.event-storming",{"title":2745,"path":2746,"stem":2747},"Глава 13. DDD на Практиці","/ddd/ddd-in-practice","10.ddd/13.ddd-in-practice",{"title":2749,"icon":2750,"path":2751,"stem":2752,"children":2753,"page":59},"Media Streaming","i-lucide-video","/media-streaming","11.media-streaming",[2754,2758,2762,2766,2770,2774,2778],{"title":2755,"path":2756,"stem":2757},"01. Магія Стрімінгу: Що відбувається, коли ви натискаєте \"Play\"","/media-streaming/introduction","11.media-streaming/01.introduction",{"title":2759,"path":2760,"stem":2761},"02. Анатомія Медіа: Кодеки, Контейнери та Стиснення","/media-streaming/audio-video-anatomy","11.media-streaming/02.audio-video-anatomy",{"title":2763,"path":2764,"stem":2765},"03. The Gym: FFmpeg Deep Dive","/media-streaming/ffmpeg-gym","11.media-streaming/03.ffmpeg-gym",{"title":2767,"path":2768,"stem":2769},"04. HLS Protocol: HTTP Live Streaming у Деталях","/media-streaming/hls-protocol","11.media-streaming/04.hls-protocol",{"title":2771,"path":2772,"stem":2773},"05. DASH Protocol: Відкритий Стандарт","/media-streaming/dash-protocol","11.media-streaming/05.dash-protocol",{"title":2775,"path":2776,"stem":2777},"06. Масштабування: CDN та Adaptive Bitrate","/media-streaming/cdn-and-adaptive-bitrate","11.media-streaming/06.cdn-and-adaptive-bitrate",{"title":2779,"path":2780,"stem":2781},"07. Війна із Затримкою (Latency)","/media-streaming/realtime-latency","11.media-streaming/07.realtime-latency",{"title":2783,"icon":2784,"path":2785,"stem":2786,"children":2787,"page":59},"HTML & CSS","i-devicon-html5","/html-css","12.html-css",[2788,2792,2796,2800,2804,2808,2812,2816,2820,2824,2828,2832,2836,2840,2844,2848,2852,2856,2860,2864,2868,2872,2876,2880,2884,2888,2892,2896,2900,2904],{"title":2789,"path":2790,"stem":2791},"Вступ до HTML. Структура документа","/html-css/intro-html-structure","12.html-css/01.intro-html-structure",{"title":2793,"path":2794,"stem":2795},"Форматування тексту в HTML","/html-css/html-text-formatting","12.html-css/02.html-text-formatting",{"title":2797,"path":2798,"stem":2799},"Посилання та зображення в HTML","/html-css/html-links-images","12.html-css/03.html-links-images",{"title":2801,"path":2802,"stem":2803},"Списки та таблиці в HTML","/html-css/html-lists-tables","12.html-css/04.html-lists-tables",{"title":2805,"path":2806,"stem":2807},"Форми в HTML","/html-css/html-forms","12.html-css/05.html-forms",{"title":2809,"path":2810,"stem":2811},"Семантичні елементи HTML5","/html-css/html-semantic-elements","12.html-css/06.html-semantic-elements",{"title":2813,"path":2814,"stem":2815},"Мультимедіа та розширені елементи HTML","/html-css/html-multimedia-advanced","12.html-css/07.html-multimedia-advanced",{"title":2817,"path":2818,"stem":2819},"Мікророзмітка та SEO в HTML","/html-css/html-microdata-seo","12.html-css/08.html-microdata-seo",{"title":2821,"path":2822,"stem":2823},"Вступ до CSS. Селектори та специфічність","/html-css/css-intro-selectors","12.html-css/09.css-intro-selectors",{"title":2825,"path":2826,"stem":2827},"Блокова модель CSS. Відступи. Box Sizing","/html-css/css-box-model","12.html-css/10.css-box-model",{"title":2829,"path":2830,"stem":2831},"Розміри у CSS: повний довідник одиниць і ключових слів","/html-css/10a.css-sizing","12.html-css/10a.css-sizing",{"title":2833,"path":2834,"stem":2835},"Типографіка в CSS. Шрифти та текст","/html-css/css-typography","12.html-css/11.css-typography",{"title":2837,"path":2838,"stem":2839},"Кольори та фони в CSS","/html-css/css-colors-backgrounds","12.html-css/12.css-colors-backgrounds",{"title":2841,"path":2842,"stem":2843},"Тіні та фільтри в CSS","/html-css/12b.css-shadows-filters","12.html-css/12b.css-shadows-filters",{"title":2845,"path":2846,"stem":2847},"CSS Flexbox: Фундамент гнучких макетів","/html-css/css-flexbox-fundamentals","12.html-css/13.css-flexbox-fundamentals",{"title":2849,"path":2850,"stem":2851},"CSS Flexbox: Вирівнювання та Позиціонування","/html-css/css-flexbox-alignment-sizing-and-patterns","12.html-css/14.css-flexbox-alignment-sizing-and-patterns",{"title":2853,"path":2854,"stem":2855},"CSS Grid. Двовимірний макет. Частина 1","/html-css/css-layout-grid","12.html-css/15.css-layout-grid",{"title":2857,"path":2858,"stem":2859},"CSS Grid. Двовимірний макет. Частина 2","/html-css/css-layout-grid-advanced","12.html-css/16.css-layout-grid-advanced",{"title":2861,"path":2862,"stem":2863},"Позиціонування в CSS. Z-index. Stacking Context","/html-css/css-positioning","12.html-css/17.css-positioning",{"title":2865,"path":2866,"stem":2867},"CSS Анімації та Переходи","/html-css/css-animations-transitions","12.html-css/18.css-animations-transitions",{"title":2869,"path":2870,"stem":2871},"Адаптивний дизайн. Media Queries. Частина 1","/html-css/css-responsive-media-queries","12.html-css/19.css-responsive-media-queries",{"title":2873,"path":2874,"stem":2875},"Адаптивний дизайн. Частина 2: clamp(), Container Queries, @layer","/html-css/css-responsive-advanced","12.html-css/20.css-responsive-advanced",{"title":2877,"path":2878,"stem":2879},"CSS Custom Properties. Методології. Сучасний CSS","/html-css/css-variables-methodologies","12.html-css/21.css-variables-methodologies",{"title":2881,"path":2882,"stem":2883},"Сучасний CSS 2023–2025: Нові можливості","/html-css/css-modern-features","12.html-css/22.css-modern-features",{"title":2885,"path":2886,"stem":2887},"CSS Nesting, @layer, @scope та @property: нативний препроцесор","/html-css/22a.css-nesting-modern-syntax","12.html-css/22a.css-nesting-modern-syntax",{"title":2889,"path":2890,"stem":2891},"CSS для форм та інтерактивних станів","/html-css/css-forms-interactive-states","12.html-css/23.css-forms-interactive-states",{"title":2893,"path":2894,"stem":2895},"Доступність у CSS (CSS Accessibility)","/html-css/css-accessibility","12.html-css/24.css-accessibility",{"title":2897,"path":2898,"stem":2899},"CSS-функції та сучасні sizing primitives","/html-css/css-functions-sizing","12.html-css/25.css-functions-sizing",{"title":2901,"path":2902,"stem":2903},"Rendering Pipeline і CSS Performance","/html-css/css-rendering-performance","12.html-css/26.css-rendering-performance",{"title":2905,"path":2906,"stem":2907},"CSS Best Practices: типові ситуації та правильні рішення","/html-css/css-best-practices","12.html-css/27.css-best-practices",{"title":2909,"path":2910,"stem":2911,"children":2912,"page":59},"Tailwind","/tailwind","21.tailwind",[2913,2917,2921,2925,2929,2933,2937,2941],{"title":2914,"path":2915,"stem":2916},"Що таке Tailwind CSS і навіщо він потрібен","/tailwind/tailwind-intro-philosophy","21.tailwind/01.tailwind-intro-philosophy",{"title":2918,"path":2919,"stem":2920},"Встановлення та налаштування Tailwind CSS v4","/tailwind/tailwind-installation-setup","21.tailwind/02.tailwind-installation-setup",{"title":2922,"path":2923,"stem":2924},"Utility-класи: основи та система Tailwind","/tailwind/tailwind-utility-classes-core","21.tailwind/03.tailwind-utility-classes-core",{"title":2926,"path":2927,"stem":2928},"Layout: Flexbox та Grid через Tailwind","/tailwind/tailwind-flexbox-grid","21.tailwind/04.tailwind-flexbox-grid",{"title":2930,"path":2931,"stem":2932},"Кастомізація теми через @theme у Tailwind v4","/tailwind/tailwind-theme-customization","21.tailwind/05.tailwind-theme-customization",{"title":2934,"path":2935,"stem":2936},"Варіанти: hover, focus, responsive, dark mode та нові v4","/tailwind/tailwind-variants-states","21.tailwind/06.tailwind-variants-states",{"title":2938,"path":2939,"stem":2940},"Типографіка та система кольорів у Tailwind v4","/tailwind/tailwind-typography-colors","21.tailwind/07.tailwind-typography-colors",{"title":2942,"path":2943,"stem":2944},"Компоненти та повторюваність: @apply, @utility та патерни","/tailwind/tailwind-components-patterns","21.tailwind/08.tailwind-components-patterns",{"title":2946,"path":2947,"stem":2948},"Showcase Компонентів kostyl.dev","/test-new-components","98.test-new-components",{"id":2950,"title":1497,"body":2951,"description":14604,"extension":14605,"links":14606,"meta":14607,"navigation":3438,"path":1498,"seo":14608,"stem":1499,"__hash__":14609},"docs/01.csharp/12.desktop-ui/24.commands.md",{"type":2952,"value":2953,"toc":14555},"minimark",[2954,2959,2964,2983,2986,3304,3309,3348,3358,3374,3377,3381,3384,3389,3395,3492,3498,3540,3544,3549,3644,3649,3660,3664,3669,3793,3797,3813,3817,3822,4010,4013,4015,4019,4025,4029,4034,4131,4136,4276,4281,4307,4311,4316,4349,4354,4521,4526,4548,4553,4631,4633,4637,4643,4647,4656,5013,5017,5050,5054,5058,5502,5507,5728,5733,5758,5762,5767,5770,5784,5790,5795,5908,5912,5926,5931,5939,5943,5949,6019,6024,6256,6258,6265,6268,6274,6587,6591,6595,6890,6894,7054,7058,7091,7095,7741,7748,7750,7754,7759,7763,7771,7920,7924,7935,7939,8427,8431,8477,8481,8485,8902,8907,9154,9158,9178,9182,9193,9200,9492,9496,9636,9638,9642,9645,9649,9653,9987,9991,10005,10009,10013,10094,10098,10102,10223,10225,10229,10232,10236,10241,10248,10406,10411,10571,10575,10644,10650,10654,10659,10666,10817,10821,10847,10852,10856,10861,10867,10996,11000,11011,11016,11032,11034,11038,11042,11049,11054,11057,11115,11120,11134,11139,11429,11434,11738,11740,11744,11749,11753,11756,11847,11851,11864,11869,12483,12487,12860,12862,12866,12871,12875,12878,12952,12956,12972,12977,13350,13354,14013,14017,14306,14308,14312,14315,14320,14356,14361,14381,14385,14396,14402,14407,14436,14438,14442,14511,14513,14517,14551],[2955,2956,2958],"h1",{"id":2957},"commands-від-event-handlers-до-декларативних-команд","Commands: Від event handlers до декларативних команд",[2960,2961,2963],"h2",{"id":2962},"вступ","Вступ",[2965,2966,2967,2968,2973,2974,2978,2979],"p",{},"У попередніх статтях ми створили ",[2969,2970,2972],"a",{"href":2971},"23.viewmodel-implementation","BaseViewModel"," з ",[2975,2976,2977],"code",{},"INotifyPropertyChanged"," та валідацією. Але залишилася одна проблема: ",[2980,2981,2982],"strong",{},"як зв'язати дії користувача (натискання кнопок, меню) з логікою у ViewModel?",[2965,2984,2985],{},"Традиційний підхід WinForms — event handlers у code-behind:",[2987,2988,2993],"pre",{"className":2989,"code":2990,"language":2991,"meta":2992,"style":2992},"language-csharp shiki shiki-themes light-plus dark-plus dark-plus","// MainWindow.xaml.cs\npublic partial class MainWindow : Window\n{\n    private MainViewModel _viewModel;\n    \n    public MainWindow()\n    {\n        InitializeComponent();\n        _viewModel = new MainViewModel();\n        DataContext = _viewModel;\n    }\n    \n    private void SaveButton_Click(object sender, RoutedEventArgs e)\n    {\n        // ❌ Логіка у code-behind — порушення MVVM\n        _viewModel.Save();\n    }\n    \n    private void DeleteButton_Click(object sender, RoutedEventArgs e)\n    {\n        // ❌ Знову логіка у code-behind\n        _viewModel.Delete();\n    }\n    \n    private void RefreshButton_Click(object sender, RoutedEventArgs e)\n    {\n        // ❌ І знову\n        _viewModel.Refresh();\n    }\n}\n","csharp","",[2975,2994,2995,3004,3028,3034,3050,3056,3068,3074,3083,3099,3112,3118,3123,3155,3160,3166,3179,3184,3189,3213,3218,3224,3236,3241,3246,3270,3275,3281,3293,3298],{"__ignoreMap":2992},[2996,2997,3000],"span",{"class":2998,"line":2999},"line",1,[2996,3001,3003],{"class":3002},"spJ8K","// MainWindow.xaml.cs\n",[2996,3005,3007,3011,3014,3017,3021,3025],{"class":2998,"line":3006},2,[2996,3008,3010],{"class":3009},"su1O8","public",[2996,3012,3013],{"class":3009}," partial",[2996,3015,3016],{"class":3009}," class",[2996,3018,3020],{"class":3019},"sN1BT"," MainWindow",[2996,3022,3024],{"class":3023},"sHH4Y"," : ",[2996,3026,3027],{"class":3019},"Window\n",[2996,3029,3031],{"class":2998,"line":3030},3,[2996,3032,3033],{"class":3023},"{\n",[2996,3035,3037,3040,3043,3047],{"class":2998,"line":3036},4,[2996,3038,3039],{"class":3009},"    private",[2996,3041,3042],{"class":3019}," MainViewModel",[2996,3044,3046],{"class":3045},"siwwj"," _viewModel",[2996,3048,3049],{"class":3023},";\n",[2996,3051,3053],{"class":2998,"line":3052},5,[2996,3054,3055],{"class":3023},"    \n",[2996,3057,3059,3062,3065],{"class":2998,"line":3058},6,[2996,3060,3061],{"class":3009},"    public",[2996,3063,3020],{"class":3064},"s8Opu",[2996,3066,3067],{"class":3023},"()\n",[2996,3069,3071],{"class":2998,"line":3070},7,[2996,3072,3073],{"class":3023},"    {\n",[2996,3075,3077,3080],{"class":2998,"line":3076},8,[2996,3078,3079],{"class":3064},"        InitializeComponent",[2996,3081,3082],{"class":3023},"();\n",[2996,3084,3086,3089,3092,3095,3097],{"class":2998,"line":3085},9,[2996,3087,3088],{"class":3045},"        _viewModel",[2996,3090,3091],{"class":3023}," = ",[2996,3093,3094],{"class":3009},"new",[2996,3096,3042],{"class":3019},[2996,3098,3082],{"class":3023},[2996,3100,3102,3105,3107,3110],{"class":2998,"line":3101},10,[2996,3103,3104],{"class":3045},"        DataContext",[2996,3106,3091],{"class":3023},[2996,3108,3109],{"class":3045},"_viewModel",[2996,3111,3049],{"class":3023},[2996,3113,3115],{"class":2998,"line":3114},11,[2996,3116,3117],{"class":3023},"    }\n",[2996,3119,3121],{"class":2998,"line":3120},12,[2996,3122,3055],{"class":3023},[2996,3124,3126,3128,3131,3134,3137,3140,3143,3146,3149,3152],{"class":2998,"line":3125},13,[2996,3127,3039],{"class":3009},[2996,3129,3130],{"class":3009}," void",[2996,3132,3133],{"class":3064}," SaveButton_Click",[2996,3135,3136],{"class":3023},"(",[2996,3138,3139],{"class":3009},"object",[2996,3141,3142],{"class":3045}," sender",[2996,3144,3145],{"class":3023},", ",[2996,3147,3148],{"class":3019},"RoutedEventArgs",[2996,3150,3151],{"class":3045}," e",[2996,3153,3154],{"class":3023},")\n",[2996,3156,3158],{"class":2998,"line":3157},14,[2996,3159,3073],{"class":3023},[2996,3161,3163],{"class":2998,"line":3162},15,[2996,3164,3165],{"class":3002},"        // ❌ Логіка у code-behind — порушення MVVM\n",[2996,3167,3169,3171,3174,3177],{"class":2998,"line":3168},16,[2996,3170,3088],{"class":3045},[2996,3172,3173],{"class":3023},".",[2996,3175,3176],{"class":3064},"Save",[2996,3178,3082],{"class":3023},[2996,3180,3182],{"class":2998,"line":3181},17,[2996,3183,3117],{"class":3023},[2996,3185,3187],{"class":2998,"line":3186},18,[2996,3188,3055],{"class":3023},[2996,3190,3192,3194,3196,3199,3201,3203,3205,3207,3209,3211],{"class":2998,"line":3191},19,[2996,3193,3039],{"class":3009},[2996,3195,3130],{"class":3009},[2996,3197,3198],{"class":3064}," DeleteButton_Click",[2996,3200,3136],{"class":3023},[2996,3202,3139],{"class":3009},[2996,3204,3142],{"class":3045},[2996,3206,3145],{"class":3023},[2996,3208,3148],{"class":3019},[2996,3210,3151],{"class":3045},[2996,3212,3154],{"class":3023},[2996,3214,3216],{"class":2998,"line":3215},20,[2996,3217,3073],{"class":3023},[2996,3219,3221],{"class":2998,"line":3220},21,[2996,3222,3223],{"class":3002},"        // ❌ Знову логіка у code-behind\n",[2996,3225,3227,3229,3231,3234],{"class":2998,"line":3226},22,[2996,3228,3088],{"class":3045},[2996,3230,3173],{"class":3023},[2996,3232,3233],{"class":3064},"Delete",[2996,3235,3082],{"class":3023},[2996,3237,3239],{"class":2998,"line":3238},23,[2996,3240,3117],{"class":3023},[2996,3242,3244],{"class":2998,"line":3243},24,[2996,3245,3055],{"class":3023},[2996,3247,3249,3251,3253,3256,3258,3260,3262,3264,3266,3268],{"class":2998,"line":3248},25,[2996,3250,3039],{"class":3009},[2996,3252,3130],{"class":3009},[2996,3254,3255],{"class":3064}," RefreshButton_Click",[2996,3257,3136],{"class":3023},[2996,3259,3139],{"class":3009},[2996,3261,3142],{"class":3045},[2996,3263,3145],{"class":3023},[2996,3265,3148],{"class":3019},[2996,3267,3151],{"class":3045},[2996,3269,3154],{"class":3023},[2996,3271,3273],{"class":2998,"line":3272},26,[2996,3274,3073],{"class":3023},[2996,3276,3278],{"class":2998,"line":3277},27,[2996,3279,3280],{"class":3002},"        // ❌ І знову\n",[2996,3282,3284,3286,3288,3291],{"class":2998,"line":3283},28,[2996,3285,3088],{"class":3045},[2996,3287,3173],{"class":3023},[2996,3289,3290],{"class":3064},"Refresh",[2996,3292,3082],{"class":3023},[2996,3294,3296],{"class":2998,"line":3295},29,[2996,3297,3117],{"class":3023},[2996,3299,3301],{"class":2998,"line":3300},30,[2996,3302,3303],{"class":3023},"}\n",[2965,3305,3306],{},[2980,3307,3308],{},"Проблеми:",[3310,3311,3312,3320,3330,3336,3342],"ul",{},[3313,3314,3315,3316,3319],"li",{},"❌ ",[2980,3317,3318],{},"Порушення MVVM"," — логіка у code-behind, а не у ViewModel",[3313,3321,3315,3322,3325,3326,3329],{},[2980,3323,3324],{},"Untestable"," — як написати unit-test для ",[2975,3327,3328],{},"SaveButton_Click","?",[3313,3331,3315,3332,3335],{},[2980,3333,3334],{},"Дублювання"," — той самий патерн для кожної кнопки",[3313,3337,3315,3338,3341],{},[2980,3339,3340],{},"Немає CanExecute"," — як відключити кнопку, коли дія неможлива?",[3313,3343,3315,3344,3347],{},[2980,3345,3346],{},"Keyboard shortcuts"," — як прив'язати Ctrl+S до Save?",[2965,3349,3350,3353,3354,3357],{},[2980,3351,3352],{},"Рішення:"," ",[2980,3355,3356],{},"ICommand"," — інтерфейс для декларативного зв'язування дій з ViewModel.",[3359,3360,3361,3364,3365,3369,3370,3373],"note",{},[2980,3362,3363],{},"Для кого ця стаття?"," Якщо ви вже знайомі з ",[2969,3366,3368],{"href":3367},"22.mvvm-pattern","MVVM Pattern"," та ",[2969,3371,3372],{"href":2971},"ViewModel Implementation",", ця стаття покаже, як замінити event handlers на Commands для чистої MVVM-архітектури.",[3375,3376],"hr",{},[2960,3378,3380],{"id":3379},"проблема-event-handlers-у-mvvm","Проблема event handlers у MVVM",[2965,3382,3383],{},"Розберемо детально, чому event handlers — це антипатерн для MVVM.",[3385,3386,3388],"h3",{"id":3387},"порушення-золотого-правила-viewmodel-не-знає-view","Порушення золотого правила: ViewModel не знає View",[2965,3390,3391,3394],{},[2980,3392,3393],{},"Золоте правило MVVM:"," ViewModel не має посилань на View. Але event handlers живуть у code-behind (частина View).",[2987,3396,3398],{"className":2989,"code":3397,"language":2991,"meta":2992,"style":2992},"// XAML\n\u003CButton Content=\"Зберегти\" Click=\"SaveButton_Click\"/>\n\n// Code-behind (частина View)\nprivate void SaveButton_Click(object sender, RoutedEventArgs e)\n{\n    // Виклик ViewModel\n    _viewModel.Save();\n}\n",[2975,3399,3400,3405,3434,3440,3445,3468,3472,3477,3488],{"__ignoreMap":2992},[2996,3401,3402],{"class":2998,"line":2999},[2996,3403,3404],{"class":3002},"// XAML\n",[2996,3406,3407,3410,3413,3416,3419,3423,3426,3428,3431],{"class":2998,"line":3006},[2996,3408,3409],{"class":3023},"\u003C",[2996,3411,3412],{"class":3019},"Button",[2996,3414,3415],{"class":3045}," Content",[2996,3417,3418],{"class":3023},"=",[2996,3420,3422],{"class":3421},"sbdoH","\"Зберегти\"",[2996,3424,3425],{"class":3045}," Click",[2996,3427,3418],{"class":3023},[2996,3429,3430],{"class":3421},"\"SaveButton_Click\"",[2996,3432,3433],{"class":3023},"/>\n",[2996,3435,3436],{"class":2998,"line":3030},[2996,3437,3439],{"emptyLinePlaceholder":3438},true,"\n",[2996,3441,3442],{"class":2998,"line":3036},[2996,3443,3444],{"class":3002},"// Code-behind (частина View)\n",[2996,3446,3447,3450,3452,3454,3456,3458,3460,3462,3464,3466],{"class":2998,"line":3052},[2996,3448,3449],{"class":3045},"private",[2996,3451,3130],{"class":3009},[2996,3453,3133],{"class":3064},[2996,3455,3136],{"class":3023},[2996,3457,3139],{"class":3009},[2996,3459,3142],{"class":3045},[2996,3461,3145],{"class":3023},[2996,3463,3148],{"class":3045},[2996,3465,3151],{"class":3045},[2996,3467,3154],{"class":3023},[2996,3469,3470],{"class":2998,"line":3058},[2996,3471,3033],{"class":3023},[2996,3473,3474],{"class":2998,"line":3070},[2996,3475,3476],{"class":3002},"    // Виклик ViewModel\n",[2996,3478,3479,3482,3484,3486],{"class":2998,"line":3076},[2996,3480,3481],{"class":3045},"    _viewModel",[2996,3483,3173],{"class":3023},[2996,3485,3176],{"class":3064},[2996,3487,3082],{"class":3023},[2996,3489,3490],{"class":2998,"line":3085},[2996,3491,3303],{"class":3023},[2965,3493,3494,3497],{},[2980,3495,3496],{},"Проблема:"," Логіка розділена між View (code-behind) та ViewModel. Це не чистий MVVM.",[3499,3500,3501],"mermaid",{},[2987,3502,3505],{"className":3503,"code":3504,"language":3499,"meta":2992,"style":2992},"language-mermaid shiki shiki-themes light-plus dark-plus dark-plus","graph LR\n    A[Button Click] --> B[Code-behind\u003Cbr/>SaveButton_Click]\n    B --> C[ViewModel.Save]\n    \n    style B fill:#ef4444,stroke:#b91c1c,color:#ffffff\n    \n    Note[❌ Code-behind = частина View\u003Cbr/>Порушення MVVM]\n",[2975,3506,3507,3512,3517,3522,3526,3531,3535],{"__ignoreMap":2992},[2996,3508,3509],{"class":2998,"line":2999},[2996,3510,3511],{},"graph LR\n",[2996,3513,3514],{"class":2998,"line":3006},[2996,3515,3516],{},"    A[Button Click] --> B[Code-behind\u003Cbr/>SaveButton_Click]\n",[2996,3518,3519],{"class":2998,"line":3030},[2996,3520,3521],{},"    B --> C[ViewModel.Save]\n",[2996,3523,3524],{"class":2998,"line":3036},[2996,3525,3055],{},[2996,3527,3528],{"class":2998,"line":3052},[2996,3529,3530],{},"    style B fill:#ef4444,stroke:#b91c1c,color:#ffffff\n",[2996,3532,3533],{"class":2998,"line":3058},[2996,3534,3055],{},[2996,3536,3537],{"class":2998,"line":3070},[2996,3538,3539],{},"    Note[❌ Code-behind = частина View\u003Cbr/>Порушення MVVM]\n",[3385,3541,3543],{"id":3542},"неможливість-тестування","Неможливість тестування",[2965,3545,3546,3548],{},[2980,3547,3496],{}," Як написати unit-test для event handler?",[2987,3550,3552],{"className":2989,"code":3551,"language":2991,"meta":2992,"style":2992},"[Test]\npublic void SaveButton_ShouldSaveData()\n{\n    // ❌ Як викликати SaveButton_Click без створення UI?\n    var window = new MainWindow();\n    \n    // ❌ Як симулювати клік?\n    window.SaveButton_Click(null, null);\n    \n    // ❌ Як перевірити результат?\n}\n",[2975,3553,3554,3565,3576,3580,3585,3601,3605,3610,3631,3635,3640],{"__ignoreMap":2992},[2996,3555,3556,3559,3562],{"class":2998,"line":2999},[2996,3557,3558],{"class":3023},"[",[2996,3560,3561],{"class":3019},"Test",[2996,3563,3564],{"class":3023},"]\n",[2996,3566,3567,3569,3571,3574],{"class":2998,"line":3006},[2996,3568,3010],{"class":3009},[2996,3570,3130],{"class":3009},[2996,3572,3573],{"class":3064}," SaveButton_ShouldSaveData",[2996,3575,3067],{"class":3023},[2996,3577,3578],{"class":2998,"line":3030},[2996,3579,3033],{"class":3023},[2996,3581,3582],{"class":2998,"line":3036},[2996,3583,3584],{"class":3002},"    // ❌ Як викликати SaveButton_Click без створення UI?\n",[2996,3586,3587,3590,3593,3595,3597,3599],{"class":2998,"line":3052},[2996,3588,3589],{"class":3009},"    var",[2996,3591,3592],{"class":3045}," window",[2996,3594,3091],{"class":3023},[2996,3596,3094],{"class":3009},[2996,3598,3020],{"class":3019},[2996,3600,3082],{"class":3023},[2996,3602,3603],{"class":2998,"line":3058},[2996,3604,3055],{"class":3023},[2996,3606,3607],{"class":2998,"line":3070},[2996,3608,3609],{"class":3002},"    // ❌ Як симулювати клік?\n",[2996,3611,3612,3615,3617,3619,3621,3624,3626,3628],{"class":2998,"line":3076},[2996,3613,3614],{"class":3045},"    window",[2996,3616,3173],{"class":3023},[2996,3618,3328],{"class":3064},[2996,3620,3136],{"class":3023},[2996,3622,3623],{"class":3009},"null",[2996,3625,3145],{"class":3023},[2996,3627,3623],{"class":3009},[2996,3629,3630],{"class":3023},");\n",[2996,3632,3633],{"class":2998,"line":3085},[2996,3634,3055],{"class":3023},[2996,3636,3637],{"class":2998,"line":3101},[2996,3638,3639],{"class":3002},"    // ❌ Як перевірити результат?\n",[2996,3641,3642],{"class":2998,"line":3114},[2996,3643,3303],{"class":3023},[2965,3645,3646],{},[2980,3647,3648],{},"Наслідки:",[3310,3650,3651,3654,3657],{},[3313,3652,3653],{},"Потрібен весь UI для тестування логіки",[3313,3655,3656],{},"Тести повільні (створення вікон)",[3313,3658,3659],{},"Тести крихкі (зміна UI ламає тести)",[3385,3661,3663],{"id":3662},"відсутність-canexecute","Відсутність CanExecute",[2965,3665,3666,3668],{},[2980,3667,3496],{}," Як відключити кнопку, коли дія неможлива?",[2987,3670,3672],{"className":2989,"code":3671,"language":2991,"meta":2992,"style":2992},"// ❌ Ручне управління IsEnabled\nprivate void TextBox_TextChanged(object sender, TextChangedEventArgs e)\n{\n    // При кожній зміні тексту — перевіряти чи можна зберегти\n    SaveButton.IsEnabled = !string.IsNullOrWhiteSpace(txtName.Text);\n}\n\nprivate void SaveButton_Click(object sender, RoutedEventArgs e)\n{\n    _viewModel.Save();\n}\n",[2975,3673,3674,3679,3703,3707,3712,3745,3749,3753,3775,3779,3789],{"__ignoreMap":2992},[2996,3675,3676],{"class":2998,"line":2999},[2996,3677,3678],{"class":3002},"// ❌ Ручне управління IsEnabled\n",[2996,3680,3681,3683,3685,3688,3690,3692,3694,3696,3699,3701],{"class":2998,"line":3006},[2996,3682,3449],{"class":3009},[2996,3684,3130],{"class":3009},[2996,3686,3687],{"class":3064}," TextBox_TextChanged",[2996,3689,3136],{"class":3023},[2996,3691,3139],{"class":3009},[2996,3693,3142],{"class":3045},[2996,3695,3145],{"class":3023},[2996,3697,3698],{"class":3019},"TextChangedEventArgs",[2996,3700,3151],{"class":3045},[2996,3702,3154],{"class":3023},[2996,3704,3705],{"class":2998,"line":3030},[2996,3706,3033],{"class":3023},[2996,3708,3709],{"class":2998,"line":3036},[2996,3710,3711],{"class":3002},"    // При кожній зміні тексту — перевіряти чи можна зберегти\n",[2996,3713,3714,3717,3719,3722,3725,3728,3730,3733,3735,3738,3740,3743],{"class":2998,"line":3052},[2996,3715,3716],{"class":3045},"    SaveButton",[2996,3718,3173],{"class":3023},[2996,3720,3721],{"class":3045},"IsEnabled",[2996,3723,3724],{"class":3023}," = !",[2996,3726,3727],{"class":3009},"string",[2996,3729,3173],{"class":3023},[2996,3731,3732],{"class":3064},"IsNullOrWhiteSpace",[2996,3734,3136],{"class":3023},[2996,3736,3737],{"class":3045},"txtName",[2996,3739,3173],{"class":3023},[2996,3741,3742],{"class":3045},"Text",[2996,3744,3630],{"class":3023},[2996,3746,3747],{"class":2998,"line":3058},[2996,3748,3303],{"class":3023},[2996,3750,3751],{"class":2998,"line":3070},[2996,3752,3439],{"emptyLinePlaceholder":3438},[2996,3754,3755,3757,3759,3761,3763,3765,3767,3769,3771,3773],{"class":2998,"line":3076},[2996,3756,3449],{"class":3009},[2996,3758,3130],{"class":3009},[2996,3760,3133],{"class":3064},[2996,3762,3136],{"class":3023},[2996,3764,3139],{"class":3009},[2996,3766,3142],{"class":3045},[2996,3768,3145],{"class":3023},[2996,3770,3148],{"class":3019},[2996,3772,3151],{"class":3045},[2996,3774,3154],{"class":3023},[2996,3776,3777],{"class":2998,"line":3085},[2996,3778,3033],{"class":3023},[2996,3780,3781,3783,3785,3787],{"class":2998,"line":3101},[2996,3782,3481],{"class":3045},[2996,3784,3173],{"class":3023},[2996,3786,3176],{"class":3064},[2996,3788,3082],{"class":3023},[2996,3790,3791],{"class":2998,"line":3114},[2996,3792,3303],{"class":3023},[2965,3794,3795],{},[2980,3796,3308],{},[3310,3798,3799,3805,3810],{},[3313,3800,3801,3802,3804],{},"Ручне управління ",[2975,3803,3721],{}," у кількох місцях",[3313,3806,3807,3808],{},"Легко забути оновити ",[2975,3809,3721],{},[3313,3811,3812],{},"Логіка розкидана по code-behind",[3385,3814,3816],{"id":3815},"дублювання-коду","Дублювання коду",[2965,3818,3819,3821],{},[2980,3820,3496],{}," Той самий патерн для кожної кнопки.",[2987,3823,3825],{"className":2989,"code":3824,"language":2991,"meta":2992,"style":2992},"private void SaveButton_Click(object sender, RoutedEventArgs e)\n{\n    _viewModel.Save();\n}\n\nprivate void DeleteButton_Click(object sender, RoutedEventArgs e)\n{\n    _viewModel.Delete();\n}\n\nprivate void RefreshButton_Click(object sender, RoutedEventArgs e)\n{\n    _viewModel.Refresh();\n}\n\nprivate void ExportButton_Click(object sender, RoutedEventArgs e)\n{\n    _viewModel.Export();\n}\n\n// ... ще 10 кнопок\n",[2975,3826,3827,3849,3853,3863,3867,3871,3893,3897,3907,3911,3915,3937,3941,3951,3955,3959,3982,3986,3997,4001,4005],{"__ignoreMap":2992},[2996,3828,3829,3831,3833,3835,3837,3839,3841,3843,3845,3847],{"class":2998,"line":2999},[2996,3830,3449],{"class":3009},[2996,3832,3130],{"class":3009},[2996,3834,3133],{"class":3064},[2996,3836,3136],{"class":3023},[2996,3838,3139],{"class":3009},[2996,3840,3142],{"class":3045},[2996,3842,3145],{"class":3023},[2996,3844,3148],{"class":3019},[2996,3846,3151],{"class":3045},[2996,3848,3154],{"class":3023},[2996,3850,3851],{"class":2998,"line":3006},[2996,3852,3033],{"class":3023},[2996,3854,3855,3857,3859,3861],{"class":2998,"line":3030},[2996,3856,3481],{"class":3045},[2996,3858,3173],{"class":3023},[2996,3860,3176],{"class":3064},[2996,3862,3082],{"class":3023},[2996,3864,3865],{"class":2998,"line":3036},[2996,3866,3303],{"class":3023},[2996,3868,3869],{"class":2998,"line":3052},[2996,3870,3439],{"emptyLinePlaceholder":3438},[2996,3872,3873,3875,3877,3879,3881,3883,3885,3887,3889,3891],{"class":2998,"line":3058},[2996,3874,3449],{"class":3009},[2996,3876,3130],{"class":3009},[2996,3878,3198],{"class":3064},[2996,3880,3136],{"class":3023},[2996,3882,3139],{"class":3009},[2996,3884,3142],{"class":3045},[2996,3886,3145],{"class":3023},[2996,3888,3148],{"class":3019},[2996,3890,3151],{"class":3045},[2996,3892,3154],{"class":3023},[2996,3894,3895],{"class":2998,"line":3070},[2996,3896,3033],{"class":3023},[2996,3898,3899,3901,3903,3905],{"class":2998,"line":3076},[2996,3900,3481],{"class":3045},[2996,3902,3173],{"class":3023},[2996,3904,3233],{"class":3064},[2996,3906,3082],{"class":3023},[2996,3908,3909],{"class":2998,"line":3085},[2996,3910,3303],{"class":3023},[2996,3912,3913],{"class":2998,"line":3101},[2996,3914,3439],{"emptyLinePlaceholder":3438},[2996,3916,3917,3919,3921,3923,3925,3927,3929,3931,3933,3935],{"class":2998,"line":3114},[2996,3918,3449],{"class":3009},[2996,3920,3130],{"class":3009},[2996,3922,3255],{"class":3064},[2996,3924,3136],{"class":3023},[2996,3926,3139],{"class":3009},[2996,3928,3142],{"class":3045},[2996,3930,3145],{"class":3023},[2996,3932,3148],{"class":3019},[2996,3934,3151],{"class":3045},[2996,3936,3154],{"class":3023},[2996,3938,3939],{"class":2998,"line":3120},[2996,3940,3033],{"class":3023},[2996,3942,3943,3945,3947,3949],{"class":2998,"line":3125},[2996,3944,3481],{"class":3045},[2996,3946,3173],{"class":3023},[2996,3948,3290],{"class":3064},[2996,3950,3082],{"class":3023},[2996,3952,3953],{"class":2998,"line":3157},[2996,3954,3303],{"class":3023},[2996,3956,3957],{"class":2998,"line":3162},[2996,3958,3439],{"emptyLinePlaceholder":3438},[2996,3960,3961,3963,3965,3968,3970,3972,3974,3976,3978,3980],{"class":2998,"line":3168},[2996,3962,3449],{"class":3009},[2996,3964,3130],{"class":3009},[2996,3966,3967],{"class":3064}," ExportButton_Click",[2996,3969,3136],{"class":3023},[2996,3971,3139],{"class":3009},[2996,3973,3142],{"class":3045},[2996,3975,3145],{"class":3023},[2996,3977,3148],{"class":3019},[2996,3979,3151],{"class":3045},[2996,3981,3154],{"class":3023},[2996,3983,3984],{"class":2998,"line":3181},[2996,3985,3033],{"class":3023},[2996,3987,3988,3990,3992,3995],{"class":2998,"line":3186},[2996,3989,3481],{"class":3045},[2996,3991,3173],{"class":3023},[2996,3993,3994],{"class":3064},"Export",[2996,3996,3082],{"class":3023},[2996,3998,3999],{"class":2998,"line":3191},[2996,4000,3303],{"class":3023},[2996,4002,4003],{"class":2998,"line":3215},[2996,4004,3439],{"emptyLinePlaceholder":3438},[2996,4006,4007],{"class":2998,"line":3220},[2996,4008,4009],{"class":3002},"// ... ще 10 кнопок\n",[2965,4011,4012],{},"Якщо у додатку 20 кнопок — 20 event handlers з однаковим патерном.",[3375,4014],{},[2960,4016,4018],{"id":4017},"icommand-інтерфейс-для-команд","ICommand: Інтерфейс для команд",[2965,4020,4021,4022,4024],{},"WPF надає інтерфейс ",[2975,4023,3356],{}," для декларативного зв'язування дій з ViewModel.",[3385,4026,4028],{"id":4027},"структура-icommand","Структура ICommand",[2965,4030,4031],{},[2980,4032,4033],{},"Інтерфейс:",[2987,4035,4037],{"className":2989,"code":4036,"language":2991,"meta":2992,"style":2992},"public interface ICommand\n{\n    // Виконати команду\n    void Execute(object? parameter);\n    \n    // Чи можна виконати команду (для IsEnabled)\n    bool CanExecute(object? parameter);\n    \n    // Подія при зміні CanExecute\n    event EventHandler CanExecuteChanged;\n}\n",[2975,4038,4039,4049,4053,4058,4078,4082,4087,4105,4109,4114,4127],{"__ignoreMap":2992},[2996,4040,4041,4043,4046],{"class":2998,"line":2999},[2996,4042,3010],{"class":3009},[2996,4044,4045],{"class":3009}," interface",[2996,4047,4048],{"class":3019}," ICommand\n",[2996,4050,4051],{"class":2998,"line":3006},[2996,4052,3033],{"class":3023},[2996,4054,4055],{"class":2998,"line":3030},[2996,4056,4057],{"class":3002},"    // Виконати команду\n",[2996,4059,4060,4063,4066,4068,4070,4073,4076],{"class":2998,"line":3036},[2996,4061,4062],{"class":3009},"    void",[2996,4064,4065],{"class":3064}," Execute",[2996,4067,3136],{"class":3023},[2996,4069,3139],{"class":3009},[2996,4071,4072],{"class":3023},"? ",[2996,4074,4075],{"class":3045},"parameter",[2996,4077,3630],{"class":3023},[2996,4079,4080],{"class":2998,"line":3052},[2996,4081,3055],{"class":3023},[2996,4083,4084],{"class":2998,"line":3058},[2996,4085,4086],{"class":3002},"    // Чи можна виконати команду (для IsEnabled)\n",[2996,4088,4089,4092,4095,4097,4099,4101,4103],{"class":2998,"line":3070},[2996,4090,4091],{"class":3009},"    bool",[2996,4093,4094],{"class":3064}," CanExecute",[2996,4096,3136],{"class":3023},[2996,4098,3139],{"class":3009},[2996,4100,4072],{"class":3023},[2996,4102,4075],{"class":3045},[2996,4104,3630],{"class":3023},[2996,4106,4107],{"class":2998,"line":3076},[2996,4108,3055],{"class":3023},[2996,4110,4111],{"class":2998,"line":3085},[2996,4112,4113],{"class":3002},"    // Подія при зміні CanExecute\n",[2996,4115,4116,4119,4122,4125],{"class":2998,"line":3101},[2996,4117,4118],{"class":3009},"    event",[2996,4120,4121],{"class":3019}," EventHandler",[2996,4123,4124],{"class":3045}," CanExecuteChanged",[2996,4126,3049],{"class":3023},[2996,4128,4129],{"class":2998,"line":3114},[2996,4130,3303],{"class":3023},[2965,4132,4133],{},[2980,4134,4135],{},"Як це працює:",[3499,4137,4138],{},[2987,4139,4141],{"className":3503,"code":4140,"language":3499,"meta":2992,"style":2992},"sequenceDiagram\n    participant User as Користувач\n    participant Button as Button\n    participant Command as ICommand\n    participant VM as ViewModel\n    \n    Note over Button,Command: Ініціалізація\n    Button->>Command: Підписка на CanExecuteChanged\n    Button->>Command: CanExecute()?\n    Command-->>Button: true\n    Button->>Button: IsEnabled = true\n    \n    Note over User,VM: Користувач натискає кнопку\n    User->>Button: Click\n    Button->>Command: CanExecute()?\n    Command-->>Button: true\n    Button->>Command: Execute(parameter)\n    Command->>VM: Виконати логіку\n    \n    Note over Command,VM: Зміна стану\n    VM->>Command: RaiseCanExecuteChanged()\n    Command->>Button: CanExecuteChanged event\n    Button->>Command: CanExecute()?\n    Command-->>Button: false\n    Button->>Button: IsEnabled = false\n    \n    style Command fill:#3b82f6,stroke:#1d4ed8,color:#ffffff\n    style VM fill:#10b981,stroke:#059669,color:#ffffff\n",[2975,4142,4143,4148,4153,4158,4163,4168,4172,4177,4182,4187,4192,4197,4201,4206,4211,4215,4219,4224,4229,4233,4238,4243,4248,4252,4257,4262,4266,4271],{"__ignoreMap":2992},[2996,4144,4145],{"class":2998,"line":2999},[2996,4146,4147],{},"sequenceDiagram\n",[2996,4149,4150],{"class":2998,"line":3006},[2996,4151,4152],{},"    participant User as Користувач\n",[2996,4154,4155],{"class":2998,"line":3030},[2996,4156,4157],{},"    participant Button as Button\n",[2996,4159,4160],{"class":2998,"line":3036},[2996,4161,4162],{},"    participant Command as ICommand\n",[2996,4164,4165],{"class":2998,"line":3052},[2996,4166,4167],{},"    participant VM as ViewModel\n",[2996,4169,4170],{"class":2998,"line":3058},[2996,4171,3055],{},[2996,4173,4174],{"class":2998,"line":3070},[2996,4175,4176],{},"    Note over Button,Command: Ініціалізація\n",[2996,4178,4179],{"class":2998,"line":3076},[2996,4180,4181],{},"    Button->>Command: Підписка на CanExecuteChanged\n",[2996,4183,4184],{"class":2998,"line":3085},[2996,4185,4186],{},"    Button->>Command: CanExecute()?\n",[2996,4188,4189],{"class":2998,"line":3101},[2996,4190,4191],{},"    Command-->>Button: true\n",[2996,4193,4194],{"class":2998,"line":3114},[2996,4195,4196],{},"    Button->>Button: IsEnabled = true\n",[2996,4198,4199],{"class":2998,"line":3120},[2996,4200,3055],{},[2996,4202,4203],{"class":2998,"line":3125},[2996,4204,4205],{},"    Note over User,VM: Користувач натискає кнопку\n",[2996,4207,4208],{"class":2998,"line":3157},[2996,4209,4210],{},"    User->>Button: Click\n",[2996,4212,4213],{"class":2998,"line":3162},[2996,4214,4186],{},[2996,4216,4217],{"class":2998,"line":3168},[2996,4218,4191],{},[2996,4220,4221],{"class":2998,"line":3181},[2996,4222,4223],{},"    Button->>Command: Execute(parameter)\n",[2996,4225,4226],{"class":2998,"line":3186},[2996,4227,4228],{},"    Command->>VM: Виконати логіку\n",[2996,4230,4231],{"class":2998,"line":3191},[2996,4232,3055],{},[2996,4234,4235],{"class":2998,"line":3215},[2996,4236,4237],{},"    Note over Command,VM: Зміна стану\n",[2996,4239,4240],{"class":2998,"line":3220},[2996,4241,4242],{},"    VM->>Command: RaiseCanExecuteChanged()\n",[2996,4244,4245],{"class":2998,"line":3226},[2996,4246,4247],{},"    Command->>Button: CanExecuteChanged event\n",[2996,4249,4250],{"class":2998,"line":3238},[2996,4251,4186],{},[2996,4253,4254],{"class":2998,"line":3243},[2996,4255,4256],{},"    Command-->>Button: false\n",[2996,4258,4259],{"class":2998,"line":3248},[2996,4260,4261],{},"    Button->>Button: IsEnabled = false\n",[2996,4263,4264],{"class":2998,"line":3272},[2996,4265,3055],{},[2996,4267,4268],{"class":2998,"line":3277},[2996,4269,4270],{},"    style Command fill:#3b82f6,stroke:#1d4ed8,color:#ffffff\n",[2996,4272,4273],{"class":2998,"line":3283},[2996,4274,4275],{},"    style VM fill:#10b981,stroke:#059669,color:#ffffff\n",[2965,4277,4278],{},[2980,4279,4280],{},"Ключові моменти:",[4282,4283,4284,4290,4299],"ol",{},[3313,4285,4286,4289],{},[2980,4287,4288],{},"Execute"," — метод, що виконує дію (аналог event handler)",[3313,4291,4292,4295,4296,4298],{},[2980,4293,4294],{},"CanExecute"," — метод, що визначає, чи можна виконати дію (для ",[2975,4297,3721],{},")",[3313,4300,4301,4304,4305],{},[2980,4302,4303],{},"CanExecuteChanged"," — подія, що сповіщає UI про зміну ",[2975,4306,4294],{},[3385,4308,4310],{"id":4309},"використання-icommand-у-xaml","Використання ICommand у XAML",[2965,4312,4313],{},[2980,4314,4315],{},"XAML з Command:",[2987,4317,4321],{"className":4318,"code":4319,"language":4320,"meta":2992,"style":2992},"language-xml shiki shiki-themes light-plus dark-plus dark-plus","\u003CButton Content=\"Зберегти\" Command=\"{Binding SaveCommand}\"/>\n","xml",[2975,4322,4323],{"__ignoreMap":2992},[2996,4324,4325,4328,4331,4334,4336,4339,4342,4344,4347],{"class":2998,"line":2999},[2996,4326,3409],{"class":4327},"s0P7L",[2996,4329,3412],{"class":4330},"sKtos",[2996,4332,3415],{"class":4333},"sa4r_",[2996,4335,3418],{"class":3023},[2996,4337,3422],{"class":4338},"su9tN",[2996,4340,4341],{"class":4333}," Command",[2996,4343,3418],{"class":3023},[2996,4345,4346],{"class":4338},"\"{Binding SaveCommand}\"",[2996,4348,3433],{"class":4327},[2965,4350,4351],{},[2980,4352,4353],{},"ViewModel:",[2987,4355,4357],{"className":2989,"code":4356,"language":2991,"meta":2992,"style":2992},"public class MainViewModel : BaseViewModel\n{\n    public ICommand SaveCommand { get; }\n    \n    public MainViewModel()\n    {\n        SaveCommand = new RelayCommand(Save, CanSave);\n    }\n    \n    private void Save()\n    {\n        // Логіка збереження\n    }\n    \n    private bool CanSave()\n    {\n        // Чи можна зберегти?\n        return !string.IsNullOrWhiteSpace(Name);\n    }\n}\n",[2975,4358,4359,4372,4376,4395,4399,4407,4411,4434,4438,4442,4453,4457,4462,4466,4470,4482,4486,4491,4513,4517],{"__ignoreMap":2992},[2996,4360,4361,4363,4365,4367,4369],{"class":2998,"line":2999},[2996,4362,3010],{"class":3009},[2996,4364,3016],{"class":3009},[2996,4366,3042],{"class":3019},[2996,4368,3024],{"class":3023},[2996,4370,4371],{"class":3019},"BaseViewModel\n",[2996,4373,4374],{"class":2998,"line":3006},[2996,4375,3033],{"class":3023},[2996,4377,4378,4380,4383,4386,4389,4392],{"class":2998,"line":3030},[2996,4379,3061],{"class":3009},[2996,4381,4382],{"class":3019}," ICommand",[2996,4384,4385],{"class":3045}," SaveCommand",[2996,4387,4388],{"class":3023}," { ",[2996,4390,4391],{"class":3009},"get",[2996,4393,4394],{"class":3023},"; }\n",[2996,4396,4397],{"class":2998,"line":3036},[2996,4398,3055],{"class":3023},[2996,4400,4401,4403,4405],{"class":2998,"line":3052},[2996,4402,3061],{"class":3009},[2996,4404,3042],{"class":3064},[2996,4406,3067],{"class":3023},[2996,4408,4409],{"class":2998,"line":3058},[2996,4410,3073],{"class":3023},[2996,4412,4413,4416,4418,4420,4423,4425,4427,4429,4432],{"class":2998,"line":3070},[2996,4414,4415],{"class":3045},"        SaveCommand",[2996,4417,3091],{"class":3023},[2996,4419,3094],{"class":3009},[2996,4421,4422],{"class":3019}," RelayCommand",[2996,4424,3136],{"class":3023},[2996,4426,3176],{"class":3045},[2996,4428,3145],{"class":3023},[2996,4430,4431],{"class":3045},"CanSave",[2996,4433,3630],{"class":3023},[2996,4435,4436],{"class":2998,"line":3076},[2996,4437,3117],{"class":3023},[2996,4439,4440],{"class":2998,"line":3085},[2996,4441,3055],{"class":3023},[2996,4443,4444,4446,4448,4451],{"class":2998,"line":3101},[2996,4445,3039],{"class":3009},[2996,4447,3130],{"class":3009},[2996,4449,4450],{"class":3064}," Save",[2996,4452,3067],{"class":3023},[2996,4454,4455],{"class":2998,"line":3114},[2996,4456,3073],{"class":3023},[2996,4458,4459],{"class":2998,"line":3120},[2996,4460,4461],{"class":3002},"        // Логіка збереження\n",[2996,4463,4464],{"class":2998,"line":3125},[2996,4465,3117],{"class":3023},[2996,4467,4468],{"class":2998,"line":3157},[2996,4469,3055],{"class":3023},[2996,4471,4472,4474,4477,4480],{"class":2998,"line":3162},[2996,4473,3039],{"class":3009},[2996,4475,4476],{"class":3009}," bool",[2996,4478,4479],{"class":3064}," CanSave",[2996,4481,3067],{"class":3023},[2996,4483,4484],{"class":2998,"line":3168},[2996,4485,3073],{"class":3023},[2996,4487,4488],{"class":2998,"line":3181},[2996,4489,4490],{"class":3002},"        // Чи можна зберегти?\n",[2996,4492,4493,4497,4500,4502,4504,4506,4508,4511],{"class":2998,"line":3186},[2996,4494,4496],{"class":4495},"sCDza","        return",[2996,4498,4499],{"class":3023}," !",[2996,4501,3727],{"class":3009},[2996,4503,3173],{"class":3023},[2996,4505,3732],{"class":3064},[2996,4507,3136],{"class":3023},[2996,4509,4510],{"class":3045},"Name",[2996,4512,3630],{"class":3023},[2996,4514,4515],{"class":2998,"line":3191},[2996,4516,3117],{"class":3023},[2996,4518,4519],{"class":2998,"line":3215},[2996,4520,3303],{"class":3023},[2965,4522,4523],{},[2980,4524,4525],{},"Переваги:",[3310,4527,4528,4531,4539,4545],{},[3313,4529,4530],{},"✅ Логіка у ViewModel, а не у code-behind",[3313,4532,4533,4534,4536,4537],{},"✅ Автоматичне управління ",[2975,4535,3721],{}," через ",[2975,4538,4294],{},[3313,4540,4541,4542],{},"✅ Легко тестувати — ",[2975,4543,4544],{},"SaveCommand.Execute(null)",[3313,4546,4547],{},"✅ Декларативний синтаксис у XAML",[2965,4549,4550],{},[2980,4551,4552],{},"Порівняння:",[4554,4555,4556,4571],"table",{},[4557,4558,4559],"thead",{},[4560,4561,4562,4566,4569],"tr",{},[4563,4564,4565],"th",{},"Аспект",[4563,4567,4568],{},"Event Handler",[4563,4570,3356],{},[4572,4573,4574,4586,4596,4606,4621],"tbody",{},[4560,4575,4576,4580,4583],{},[4577,4578,4579],"td",{},"Логіка",[4577,4581,4582],{},"Code-behind (View)",[4577,4584,4585],{},"ViewModel",[4560,4587,4588,4590,4593],{},[4577,4589,3721],{},[4577,4591,4592],{},"Ручне управління",[4577,4594,4595],{},"Автоматичне через CanExecute",[4560,4597,4598,4600,4603],{},[4577,4599,968],{},[4577,4601,4602],{},"Складно (потрібен UI)",[4577,4604,4605],{},"Легко (без UI)",[4560,4607,4608,4611,4616],{},[4577,4609,4610],{},"XAML",[4577,4612,4613],{},[2975,4614,4615],{},"Click=\"SaveButton_Click\"",[4577,4617,4618],{},[2975,4619,4620],{},"Command=\"{Binding SaveCommand}\"",[4560,4622,4623,4625,4628],{},[4577,4624,3346],{},[4577,4626,4627],{},"Складно",[4577,4629,4630],{},"Легко через InputBindings",[3375,4632],{},[2960,4634,4636],{"id":4635},"relaycommand-ручна-реалізація","RelayCommand: Ручна реалізація",[2965,4638,4639,4640,4642],{},"WPF не надає готової реалізації ",[2975,4641,3356],{},". Потрібно створити власну або використати бібліотеку. Почнемо з ручної реалізації для розуміння механізму.",[3385,4644,4646],{"id":4645},"мінімальна-реалізація-relaycommand","Мінімальна реалізація RelayCommand",[2965,4648,4649,4652,4653,4655],{},[2980,4650,4651],{},"Мета:"," Створити універсальний клас, що реалізує ",[2975,4654,3356],{}," через делегати.",[2987,4657,4659],{"className":2989,"code":4658,"language":2991,"meta":2992,"style":2992},"using System;\nusing System.Windows.Input;\n\npublic class RelayCommand : ICommand\n{\n    private readonly Action _execute;\n    private readonly Func\u003Cbool> _canExecute;\n    \n    // Конструктор\n    public RelayCommand(Action execute, Func\u003Cbool> canExecute = null)\n    {\n        _execute = execute ?? throw new ArgumentNullException(nameof(execute));\n        _canExecute = canExecute;\n    }\n    \n    // Подія при зміні CanExecute\n    public event EventHandler CanExecuteChanged\n    {\n        add { CommandManager.RequerySuggested += value; }\n        remove { CommandManager.RequerySuggested -= value; }\n    }\n    \n    // Чи можна виконати команду\n    public bool CanExecute(object parameter)\n    {\n        return _canExecute == null || _canExecute();\n    }\n    \n    // Виконати команду\n    public void Execute(object parameter)\n    {\n        _execute();\n    }\n}\n",[2975,4660,4661,4671,4689,4693,4706,4710,4725,4747,4751,4756,4790,4794,4828,4839,4843,4847,4851,4863,4867,4890,4910,4914,4918,4923,4940,4944,4963,4967,4971,4975,4991,4996,5003,5008],{"__ignoreMap":2992},[2996,4662,4663,4666,4669],{"class":2998,"line":2999},[2996,4664,4665],{"class":4495},"using",[2996,4667,4668],{"class":3019}," System",[2996,4670,3049],{"class":3023},[2996,4672,4673,4675,4677,4679,4682,4684,4687],{"class":2998,"line":3006},[2996,4674,4665],{"class":4495},[2996,4676,4668],{"class":3019},[2996,4678,3173],{"class":3023},[2996,4680,4681],{"class":3019},"Windows",[2996,4683,3173],{"class":3023},[2996,4685,4686],{"class":3019},"Input",[2996,4688,3049],{"class":3023},[2996,4690,4691],{"class":2998,"line":3030},[2996,4692,3439],{"emptyLinePlaceholder":3438},[2996,4694,4695,4697,4699,4701,4703],{"class":2998,"line":3036},[2996,4696,3010],{"class":3009},[2996,4698,3016],{"class":3009},[2996,4700,4422],{"class":3019},[2996,4702,3024],{"class":3023},[2996,4704,4705],{"class":3019},"ICommand\n",[2996,4707,4708],{"class":2998,"line":3052},[2996,4709,3033],{"class":3023},[2996,4711,4712,4714,4717,4720,4723],{"class":2998,"line":3058},[2996,4713,3039],{"class":3009},[2996,4715,4716],{"class":3009}," readonly",[2996,4718,4719],{"class":3019}," Action",[2996,4721,4722],{"class":3045}," _execute",[2996,4724,3049],{"class":3023},[2996,4726,4727,4729,4731,4734,4736,4739,4742,4745],{"class":2998,"line":3070},[2996,4728,3039],{"class":3009},[2996,4730,4716],{"class":3009},[2996,4732,4733],{"class":3019}," Func",[2996,4735,3409],{"class":3023},[2996,4737,4738],{"class":3009},"bool",[2996,4740,4741],{"class":3023},"> ",[2996,4743,4744],{"class":3045},"_canExecute",[2996,4746,3049],{"class":3023},[2996,4748,4749],{"class":2998,"line":3076},[2996,4750,3055],{"class":3023},[2996,4752,4753],{"class":2998,"line":3085},[2996,4754,4755],{"class":3002},"    // Конструктор\n",[2996,4757,4758,4760,4762,4764,4767,4770,4772,4775,4777,4779,4781,4784,4786,4788],{"class":2998,"line":3101},[2996,4759,3061],{"class":3009},[2996,4761,4422],{"class":3064},[2996,4763,3136],{"class":3023},[2996,4765,4766],{"class":3019},"Action",[2996,4768,4769],{"class":3045}," execute",[2996,4771,3145],{"class":3023},[2996,4773,4774],{"class":3019},"Func",[2996,4776,3409],{"class":3023},[2996,4778,4738],{"class":3009},[2996,4780,4741],{"class":3023},[2996,4782,4783],{"class":3045},"canExecute",[2996,4785,3091],{"class":3023},[2996,4787,3623],{"class":3009},[2996,4789,3154],{"class":3023},[2996,4791,4792],{"class":2998,"line":3114},[2996,4793,3073],{"class":3023},[2996,4795,4796,4799,4801,4804,4807,4810,4813,4816,4818,4821,4823,4825],{"class":2998,"line":3120},[2996,4797,4798],{"class":3045},"        _execute",[2996,4800,3091],{"class":3023},[2996,4802,4803],{"class":3045},"execute",[2996,4805,4806],{"class":3023}," ?? ",[2996,4808,4809],{"class":4495},"throw",[2996,4811,4812],{"class":3009}," new",[2996,4814,4815],{"class":3019}," ArgumentNullException",[2996,4817,3136],{"class":3023},[2996,4819,4820],{"class":3009},"nameof",[2996,4822,3136],{"class":3023},[2996,4824,4803],{"class":3045},[2996,4826,4827],{"class":3023},"));\n",[2996,4829,4830,4833,4835,4837],{"class":2998,"line":3125},[2996,4831,4832],{"class":3045},"        _canExecute",[2996,4834,3091],{"class":3023},[2996,4836,4783],{"class":3045},[2996,4838,3049],{"class":3023},[2996,4840,4841],{"class":2998,"line":3157},[2996,4842,3117],{"class":3023},[2996,4844,4845],{"class":2998,"line":3162},[2996,4846,3055],{"class":3023},[2996,4848,4849],{"class":2998,"line":3168},[2996,4850,4113],{"class":3002},[2996,4852,4853,4855,4858,4860],{"class":2998,"line":3181},[2996,4854,3061],{"class":3009},[2996,4856,4857],{"class":3009}," event",[2996,4859,4121],{"class":3019},[2996,4861,4862],{"class":3045}," CanExecuteChanged\n",[2996,4864,4865],{"class":2998,"line":3186},[2996,4866,3073],{"class":3023},[2996,4868,4869,4872,4874,4877,4879,4882,4885,4888],{"class":2998,"line":3191},[2996,4870,4871],{"class":3009},"        add",[2996,4873,4388],{"class":3023},[2996,4875,4876],{"class":3045},"CommandManager",[2996,4878,3173],{"class":3023},[2996,4880,4881],{"class":3045},"RequerySuggested",[2996,4883,4884],{"class":3023}," += ",[2996,4886,4887],{"class":3045},"value",[2996,4889,4394],{"class":3023},[2996,4891,4892,4895,4897,4899,4901,4903,4906,4908],{"class":2998,"line":3215},[2996,4893,4894],{"class":3009},"        remove",[2996,4896,4388],{"class":3023},[2996,4898,4876],{"class":3045},[2996,4900,3173],{"class":3023},[2996,4902,4881],{"class":3045},[2996,4904,4905],{"class":3023}," -= ",[2996,4907,4887],{"class":3045},[2996,4909,4394],{"class":3023},[2996,4911,4912],{"class":2998,"line":3220},[2996,4913,3117],{"class":3023},[2996,4915,4916],{"class":2998,"line":3226},[2996,4917,3055],{"class":3023},[2996,4919,4920],{"class":2998,"line":3238},[2996,4921,4922],{"class":3002},"    // Чи можна виконати команду\n",[2996,4924,4925,4927,4929,4931,4933,4935,4938],{"class":2998,"line":3243},[2996,4926,3061],{"class":3009},[2996,4928,4476],{"class":3009},[2996,4930,4094],{"class":3064},[2996,4932,3136],{"class":3023},[2996,4934,3139],{"class":3009},[2996,4936,4937],{"class":3045}," parameter",[2996,4939,3154],{"class":3023},[2996,4941,4942],{"class":2998,"line":3248},[2996,4943,3073],{"class":3023},[2996,4945,4946,4948,4951,4954,4956,4959,4961],{"class":2998,"line":3272},[2996,4947,4496],{"class":4495},[2996,4949,4950],{"class":3045}," _canExecute",[2996,4952,4953],{"class":3023}," == ",[2996,4955,3623],{"class":3009},[2996,4957,4958],{"class":3023}," || ",[2996,4960,4744],{"class":3064},[2996,4962,3082],{"class":3023},[2996,4964,4965],{"class":2998,"line":3277},[2996,4966,3117],{"class":3023},[2996,4968,4969],{"class":2998,"line":3283},[2996,4970,3055],{"class":3023},[2996,4972,4973],{"class":2998,"line":3295},[2996,4974,4057],{"class":3002},[2996,4976,4977,4979,4981,4983,4985,4987,4989],{"class":2998,"line":3300},[2996,4978,3061],{"class":3009},[2996,4980,3130],{"class":3009},[2996,4982,4065],{"class":3064},[2996,4984,3136],{"class":3023},[2996,4986,3139],{"class":3009},[2996,4988,4937],{"class":3045},[2996,4990,3154],{"class":3023},[2996,4992,4994],{"class":2998,"line":4993},31,[2996,4995,3073],{"class":3023},[2996,4997,4999,5001],{"class":2998,"line":4998},32,[2996,5000,4798],{"class":3064},[2996,5002,3082],{"class":3023},[2996,5004,5006],{"class":2998,"line":5005},33,[2996,5007,3117],{"class":3023},[2996,5009,5011],{"class":2998,"line":5010},34,[2996,5012,3303],{"class":3023},[2965,5014,5015],{},[2980,5016,4280],{},[4282,5018,5019,5035,5044],{},[3313,5020,5021,5024,5025,5027,5028,3145,5030,5027,5033],{},[2980,5022,5023],{},"Делегати"," — ",[2975,5026,4766],{}," для ",[2975,5029,4288],{},[2975,5031,5032],{},"Func\u003Cbool>",[2975,5034,4294],{},[3313,5036,5037,5040,5041,5043],{},[2980,5038,5039],{},"CommandManager.RequerySuggested"," — WPF автоматично перевіряє ",[2975,5042,4294],{}," при зміні фокусу, натисканні клавіш",[3313,5045,5046,5049],{},[2980,5047,5048],{},"Nullable CanExecute"," — якщо не передано, команда завжди доступна",[3385,5051,5053],{"id":5052},"використання-relaycommand","Використання RelayCommand",[2965,5055,5056],{},[2980,5057,4353],{},[2987,5059,5061],{"className":2989,"code":5060,"language":2991,"meta":2992,"style":2992},"public class PersonViewModel : BaseViewModel\n{\n    private string _name;\n    public string Name\n    {\n        get => _name;\n        set => SetProperty(ref _name, value);\n    }\n    \n    private int _age;\n    public int Age\n    {\n        get => _age;\n        set => SetProperty(ref _age, value);\n    }\n    \n    public ICommand SaveCommand { get; }\n    public ICommand ClearCommand { get; }\n    \n    public PersonViewModel()\n    {\n        // Команда з CanExecute\n        SaveCommand = new RelayCommand(Save, CanSave);\n        \n        // Команда без CanExecute (завжди доступна)\n        ClearCommand = new RelayCommand(Clear);\n    }\n    \n    private void Save()\n    {\n        // Логіка збереження\n        MessageBox.Show($\"Збережено: {Name}, {Age} років\");\n    }\n    \n    private bool CanSave()\n    {\n        // Можна зберегти тільки якщо ім'я не пусте та вік > 0\n        return !string.IsNullOrWhiteSpace(Name) && Age > 0;\n    }\n    \n    private void Clear()\n    {\n        Name = string.Empty;\n        Age = 0;\n    }\n}\n",[2975,5062,5063,5076,5080,5092,5101,5105,5118,5141,5145,5149,5161,5170,5174,5185,5205,5209,5213,5227,5242,5246,5254,5258,5263,5283,5288,5293,5311,5315,5319,5329,5333,5337,5375,5379,5383,5394,5399,5405,5436,5441,5446,5458,5463,5480,5492,5497],{"__ignoreMap":2992},[2996,5064,5065,5067,5069,5072,5074],{"class":2998,"line":2999},[2996,5066,3010],{"class":3009},[2996,5068,3016],{"class":3009},[2996,5070,5071],{"class":3019}," PersonViewModel",[2996,5073,3024],{"class":3023},[2996,5075,4371],{"class":3019},[2996,5077,5078],{"class":2998,"line":3006},[2996,5079,3033],{"class":3023},[2996,5081,5082,5084,5087,5090],{"class":2998,"line":3030},[2996,5083,3039],{"class":3009},[2996,5085,5086],{"class":3009}," string",[2996,5088,5089],{"class":3045}," _name",[2996,5091,3049],{"class":3023},[2996,5093,5094,5096,5098],{"class":2998,"line":3036},[2996,5095,3061],{"class":3009},[2996,5097,5086],{"class":3009},[2996,5099,5100],{"class":3045}," Name\n",[2996,5102,5103],{"class":2998,"line":3052},[2996,5104,3073],{"class":3023},[2996,5106,5107,5110,5113,5116],{"class":2998,"line":3058},[2996,5108,5109],{"class":3009},"        get",[2996,5111,5112],{"class":3023}," => ",[2996,5114,5115],{"class":3045},"_name",[2996,5117,3049],{"class":3023},[2996,5119,5120,5123,5125,5128,5130,5133,5135,5137,5139],{"class":2998,"line":3070},[2996,5121,5122],{"class":3009},"        set",[2996,5124,5112],{"class":3023},[2996,5126,5127],{"class":3064},"SetProperty",[2996,5129,3136],{"class":3023},[2996,5131,5132],{"class":3009},"ref",[2996,5134,5089],{"class":3045},[2996,5136,3145],{"class":3023},[2996,5138,4887],{"class":3045},[2996,5140,3630],{"class":3023},[2996,5142,5143],{"class":2998,"line":3076},[2996,5144,3117],{"class":3023},[2996,5146,5147],{"class":2998,"line":3085},[2996,5148,3055],{"class":3023},[2996,5150,5151,5153,5156,5159],{"class":2998,"line":3101},[2996,5152,3039],{"class":3009},[2996,5154,5155],{"class":3009}," int",[2996,5157,5158],{"class":3045}," _age",[2996,5160,3049],{"class":3023},[2996,5162,5163,5165,5167],{"class":2998,"line":3114},[2996,5164,3061],{"class":3009},[2996,5166,5155],{"class":3009},[2996,5168,5169],{"class":3045}," Age\n",[2996,5171,5172],{"class":2998,"line":3120},[2996,5173,3073],{"class":3023},[2996,5175,5176,5178,5180,5183],{"class":2998,"line":3125},[2996,5177,5109],{"class":3009},[2996,5179,5112],{"class":3023},[2996,5181,5182],{"class":3045},"_age",[2996,5184,3049],{"class":3023},[2996,5186,5187,5189,5191,5193,5195,5197,5199,5201,5203],{"class":2998,"line":3157},[2996,5188,5122],{"class":3009},[2996,5190,5112],{"class":3023},[2996,5192,5127],{"class":3064},[2996,5194,3136],{"class":3023},[2996,5196,5132],{"class":3009},[2996,5198,5158],{"class":3045},[2996,5200,3145],{"class":3023},[2996,5202,4887],{"class":3045},[2996,5204,3630],{"class":3023},[2996,5206,5207],{"class":2998,"line":3162},[2996,5208,3117],{"class":3023},[2996,5210,5211],{"class":2998,"line":3168},[2996,5212,3055],{"class":3023},[2996,5214,5215,5217,5219,5221,5223,5225],{"class":2998,"line":3181},[2996,5216,3061],{"class":3009},[2996,5218,4382],{"class":3019},[2996,5220,4385],{"class":3045},[2996,5222,4388],{"class":3023},[2996,5224,4391],{"class":3009},[2996,5226,4394],{"class":3023},[2996,5228,5229,5231,5233,5236,5238,5240],{"class":2998,"line":3186},[2996,5230,3061],{"class":3009},[2996,5232,4382],{"class":3019},[2996,5234,5235],{"class":3045}," ClearCommand",[2996,5237,4388],{"class":3023},[2996,5239,4391],{"class":3009},[2996,5241,4394],{"class":3023},[2996,5243,5244],{"class":2998,"line":3191},[2996,5245,3055],{"class":3023},[2996,5247,5248,5250,5252],{"class":2998,"line":3215},[2996,5249,3061],{"class":3009},[2996,5251,5071],{"class":3064},[2996,5253,3067],{"class":3023},[2996,5255,5256],{"class":2998,"line":3220},[2996,5257,3073],{"class":3023},[2996,5259,5260],{"class":2998,"line":3226},[2996,5261,5262],{"class":3002},"        // Команда з CanExecute\n",[2996,5264,5265,5267,5269,5271,5273,5275,5277,5279,5281],{"class":2998,"line":3238},[2996,5266,4415],{"class":3045},[2996,5268,3091],{"class":3023},[2996,5270,3094],{"class":3009},[2996,5272,4422],{"class":3019},[2996,5274,3136],{"class":3023},[2996,5276,3176],{"class":3045},[2996,5278,3145],{"class":3023},[2996,5280,4431],{"class":3045},[2996,5282,3630],{"class":3023},[2996,5284,5285],{"class":2998,"line":3243},[2996,5286,5287],{"class":3023},"        \n",[2996,5289,5290],{"class":2998,"line":3248},[2996,5291,5292],{"class":3002},"        // Команда без CanExecute (завжди доступна)\n",[2996,5294,5295,5298,5300,5302,5304,5306,5309],{"class":2998,"line":3272},[2996,5296,5297],{"class":3045},"        ClearCommand",[2996,5299,3091],{"class":3023},[2996,5301,3094],{"class":3009},[2996,5303,4422],{"class":3019},[2996,5305,3136],{"class":3023},[2996,5307,5308],{"class":3045},"Clear",[2996,5310,3630],{"class":3023},[2996,5312,5313],{"class":2998,"line":3277},[2996,5314,3117],{"class":3023},[2996,5316,5317],{"class":2998,"line":3283},[2996,5318,3055],{"class":3023},[2996,5320,5321,5323,5325,5327],{"class":2998,"line":3295},[2996,5322,3039],{"class":3009},[2996,5324,3130],{"class":3009},[2996,5326,4450],{"class":3064},[2996,5328,3067],{"class":3023},[2996,5330,5331],{"class":2998,"line":3300},[2996,5332,3073],{"class":3023},[2996,5334,5335],{"class":2998,"line":4993},[2996,5336,4461],{"class":3002},[2996,5338,5339,5342,5344,5347,5349,5352,5356,5358,5361,5363,5365,5368,5370,5373],{"class":2998,"line":4998},[2996,5340,5341],{"class":3045},"        MessageBox",[2996,5343,3173],{"class":3023},[2996,5345,5346],{"class":3064},"Show",[2996,5348,3136],{"class":3023},[2996,5350,5351],{"class":3421},"$\"Збережено: ",[2996,5353,5355],{"class":5354},"sD7JJ","{",[2996,5357,4510],{"class":3045},[2996,5359,5360],{"class":5354},"}",[2996,5362,3145],{"class":3421},[2996,5364,5355],{"class":5354},[2996,5366,5367],{"class":3045},"Age",[2996,5369,5360],{"class":5354},[2996,5371,5372],{"class":3421}," років\"",[2996,5374,3630],{"class":3023},[2996,5376,5377],{"class":2998,"line":5005},[2996,5378,3117],{"class":3023},[2996,5380,5381],{"class":2998,"line":5010},[2996,5382,3055],{"class":3023},[2996,5384,5386,5388,5390,5392],{"class":2998,"line":5385},35,[2996,5387,3039],{"class":3009},[2996,5389,4476],{"class":3009},[2996,5391,4479],{"class":3064},[2996,5393,3067],{"class":3023},[2996,5395,5397],{"class":2998,"line":5396},36,[2996,5398,3073],{"class":3023},[2996,5400,5402],{"class":2998,"line":5401},37,[2996,5403,5404],{"class":3002},"        // Можна зберегти тільки якщо ім'я не пусте та вік > 0\n",[2996,5406,5408,5410,5412,5414,5416,5418,5420,5422,5425,5427,5430,5434],{"class":2998,"line":5407},38,[2996,5409,4496],{"class":4495},[2996,5411,4499],{"class":3023},[2996,5413,3727],{"class":3009},[2996,5415,3173],{"class":3023},[2996,5417,3732],{"class":3064},[2996,5419,3136],{"class":3023},[2996,5421,4510],{"class":3045},[2996,5423,5424],{"class":3023},") && ",[2996,5426,5367],{"class":3045},[2996,5428,5429],{"class":3023}," > ",[2996,5431,5433],{"class":5432},"sJj4R","0",[2996,5435,3049],{"class":3023},[2996,5437,5439],{"class":2998,"line":5438},39,[2996,5440,3117],{"class":3023},[2996,5442,5444],{"class":2998,"line":5443},40,[2996,5445,3055],{"class":3023},[2996,5447,5449,5451,5453,5456],{"class":2998,"line":5448},41,[2996,5450,3039],{"class":3009},[2996,5452,3130],{"class":3009},[2996,5454,5455],{"class":3064}," Clear",[2996,5457,3067],{"class":3023},[2996,5459,5461],{"class":2998,"line":5460},42,[2996,5462,3073],{"class":3023},[2996,5464,5466,5469,5471,5473,5475,5478],{"class":2998,"line":5465},43,[2996,5467,5468],{"class":3045},"        Name",[2996,5470,3091],{"class":3023},[2996,5472,3727],{"class":3009},[2996,5474,3173],{"class":3023},[2996,5476,5477],{"class":3045},"Empty",[2996,5479,3049],{"class":3023},[2996,5481,5483,5486,5488,5490],{"class":2998,"line":5482},44,[2996,5484,5485],{"class":3045},"        Age",[2996,5487,3091],{"class":3023},[2996,5489,5433],{"class":5432},[2996,5491,3049],{"class":3023},[2996,5493,5495],{"class":2998,"line":5494},45,[2996,5496,3117],{"class":3023},[2996,5498,5500],{"class":2998,"line":5499},46,[2996,5501,3303],{"class":3023},[2965,5503,5504],{},[2980,5505,5506],{},"XAML:",[2987,5508,5510],{"className":4318,"code":5509,"language":4320,"meta":2992,"style":2992},"\u003CStackPanel Margin=\"20\">\n    \u003CTextBlock Text=\"Ім'я:\"/>\n    \u003CTextBox Text=\"{Binding Name, UpdateSourceTrigger=PropertyChanged}\"/>\n    \n    \u003CTextBlock Text=\"Вік:\" Margin=\"0,10,0,0\"/>\n    \u003CTextBox Text=\"{Binding Age, UpdateSourceTrigger=PropertyChanged}\"/>\n    \n    \u003CStackPanel Orientation=\"Horizontal\" Margin=\"0,20,0,0\">\n        \u003C!-- Кнопка активна тільки якщо CanSave повертає true -->\n        \u003CButton Content=\"Зберегти\" Command=\"{Binding SaveCommand}\" Width=\"100\"/>\n        \n        \u003C!-- Кнопка завжди активна -->\n        \u003CButton Content=\"Очистити\" Command=\"{Binding ClearCommand}\" Width=\"100\" Margin=\"10,0,0,0\"/>\n    \u003C/StackPanel>\n\u003C/StackPanel>\n",[2975,5511,5512,5530,5548,5564,5568,5590,5605,5609,5632,5637,5666,5670,5675,5710,5719],{"__ignoreMap":2992},[2996,5513,5514,5516,5519,5522,5524,5527],{"class":2998,"line":2999},[2996,5515,3409],{"class":4327},[2996,5517,5518],{"class":4330},"StackPanel",[2996,5520,5521],{"class":4333}," Margin",[2996,5523,3418],{"class":3023},[2996,5525,5526],{"class":4338},"\"20\"",[2996,5528,5529],{"class":4327},">\n",[2996,5531,5532,5535,5538,5541,5543,5546],{"class":2998,"line":3006},[2996,5533,5534],{"class":4327},"    \u003C",[2996,5536,5537],{"class":4330},"TextBlock",[2996,5539,5540],{"class":4333}," Text",[2996,5542,3418],{"class":3023},[2996,5544,5545],{"class":4338},"\"Ім'я:\"",[2996,5547,3433],{"class":4327},[2996,5549,5550,5552,5555,5557,5559,5562],{"class":2998,"line":3030},[2996,5551,5534],{"class":4327},[2996,5553,5554],{"class":4330},"TextBox",[2996,5556,5540],{"class":4333},[2996,5558,3418],{"class":3023},[2996,5560,5561],{"class":4338},"\"{Binding Name, UpdateSourceTrigger=PropertyChanged}\"",[2996,5563,3433],{"class":4327},[2996,5565,5566],{"class":2998,"line":3036},[2996,5567,3055],{"class":3023},[2996,5569,5570,5572,5574,5576,5578,5581,5583,5585,5588],{"class":2998,"line":3052},[2996,5571,5534],{"class":4327},[2996,5573,5537],{"class":4330},[2996,5575,5540],{"class":4333},[2996,5577,3418],{"class":3023},[2996,5579,5580],{"class":4338},"\"Вік:\"",[2996,5582,5521],{"class":4333},[2996,5584,3418],{"class":3023},[2996,5586,5587],{"class":4338},"\"0,10,0,0\"",[2996,5589,3433],{"class":4327},[2996,5591,5592,5594,5596,5598,5600,5603],{"class":2998,"line":3058},[2996,5593,5534],{"class":4327},[2996,5595,5554],{"class":4330},[2996,5597,5540],{"class":4333},[2996,5599,3418],{"class":3023},[2996,5601,5602],{"class":4338},"\"{Binding Age, UpdateSourceTrigger=PropertyChanged}\"",[2996,5604,3433],{"class":4327},[2996,5606,5607],{"class":2998,"line":3070},[2996,5608,3055],{"class":3023},[2996,5610,5611,5613,5615,5618,5620,5623,5625,5627,5630],{"class":2998,"line":3076},[2996,5612,5534],{"class":4327},[2996,5614,5518],{"class":4330},[2996,5616,5617],{"class":4333}," Orientation",[2996,5619,3418],{"class":3023},[2996,5621,5622],{"class":4338},"\"Horizontal\"",[2996,5624,5521],{"class":4333},[2996,5626,3418],{"class":3023},[2996,5628,5629],{"class":4338},"\"0,20,0,0\"",[2996,5631,5529],{"class":4327},[2996,5633,5634],{"class":2998,"line":3085},[2996,5635,5636],{"class":3002},"        \u003C!-- Кнопка активна тільки якщо CanSave повертає true -->\n",[2996,5638,5639,5642,5644,5646,5648,5650,5652,5654,5656,5659,5661,5664],{"class":2998,"line":3101},[2996,5640,5641],{"class":4327},"        \u003C",[2996,5643,3412],{"class":4330},[2996,5645,3415],{"class":4333},[2996,5647,3418],{"class":3023},[2996,5649,3422],{"class":4338},[2996,5651,4341],{"class":4333},[2996,5653,3418],{"class":3023},[2996,5655,4346],{"class":4338},[2996,5657,5658],{"class":4333}," Width",[2996,5660,3418],{"class":3023},[2996,5662,5663],{"class":4338},"\"100\"",[2996,5665,3433],{"class":4327},[2996,5667,5668],{"class":2998,"line":3114},[2996,5669,5287],{"class":3023},[2996,5671,5672],{"class":2998,"line":3120},[2996,5673,5674],{"class":3002},"        \u003C!-- Кнопка завжди активна -->\n",[2996,5676,5677,5679,5681,5683,5685,5688,5690,5692,5695,5697,5699,5701,5703,5705,5708],{"class":2998,"line":3125},[2996,5678,5641],{"class":4327},[2996,5680,3412],{"class":4330},[2996,5682,3415],{"class":4333},[2996,5684,3418],{"class":3023},[2996,5686,5687],{"class":4338},"\"Очистити\"",[2996,5689,4341],{"class":4333},[2996,5691,3418],{"class":3023},[2996,5693,5694],{"class":4338},"\"{Binding ClearCommand}\"",[2996,5696,5658],{"class":4333},[2996,5698,3418],{"class":3023},[2996,5700,5663],{"class":4338},[2996,5702,5521],{"class":4333},[2996,5704,3418],{"class":3023},[2996,5706,5707],{"class":4338},"\"10,0,0,0\"",[2996,5709,3433],{"class":4327},[2996,5711,5712,5715,5717],{"class":2998,"line":3157},[2996,5713,5714],{"class":4327},"    \u003C/",[2996,5716,5518],{"class":4330},[2996,5718,5529],{"class":4327},[2996,5720,5721,5724,5726],{"class":2998,"line":3162},[2996,5722,5723],{"class":4327},"\u003C/",[2996,5725,5518],{"class":4330},[2996,5727,5529],{"class":4327},[2965,5729,5730],{},[2980,5731,5732],{},"Що відбувається:",[4282,5734,5735,5750],{},[3313,5736,5737,5738,5740,5741,5744,5745,5747,5748],{},"Користувач вводить текст у ",[2975,5739,4510],{}," → ",[2975,5742,5743],{},"PropertyChanged"," → WPF перевіряє ",[2975,5746,4294],{}," → оновлює ",[2975,5749,3721],{},[3313,5751,5752,5753,5755,5756],{},"Користувач натискає \"Зберегти\" → WPF викликає ",[2975,5754,4288],{}," → виконується метод ",[2975,5757,3176],{},[3385,5759,5761],{"id":5760},"commandmanagerrequerysuggested-автоматична-перевірка-canexecute","CommandManager.RequerySuggested: Автоматична перевірка CanExecute",[2965,5763,5764],{},[2980,5765,5766],{},"Що таке CommandManager.RequerySuggested?",[2965,5768,5769],{},"Це подія WPF, що викликається автоматично при:",[3310,5771,5772,5775,5778,5781],{},[3313,5773,5774],{},"Зміні фокусу між контролами",[3313,5776,5777],{},"Натисканні клавіш",[3313,5779,5780],{},"Кліку миші",[3313,5782,5783],{},"Зміні вікна",[2965,5785,5786,5787,5789],{},"WPF використовує цю подію для автоматичної перевірки ",[2975,5788,4294],{}," всіх команд.",[2965,5791,5792],{},[2980,5793,5794],{},"Діаграма:",[3499,5796,5797],{},[2987,5798,5800],{"className":3503,"code":5799,"language":3499,"meta":2992,"style":2992},"sequenceDiagram\n    participant User as Користувач\n    participant TextBox as TextBox\n    participant WPF as WPF CommandManager\n    participant Command as SaveCommand\n    participant Button as Button\n    \n    User->>TextBox: Вводить текст \"Іван\"\n    TextBox->>TextBox: PropertyChanged\n    WPF->>WPF: RequerySuggested event\n    WPF->>Command: CanExecute()?\n    Command-->>WPF: true (ім'я не пусте)\n    WPF->>Button: IsEnabled = true\n    \n    User->>TextBox: Видаляє текст\n    TextBox->>TextBox: PropertyChanged\n    WPF->>WPF: RequerySuggested event\n    WPF->>Command: CanExecute()?\n    Command-->>WPF: false (ім'я пусте)\n    WPF->>Button: IsEnabled = false\n    \n    style WPF fill:#3b82f6,stroke:#1d4ed8,color:#ffffff\n    style Command fill:#10b981,stroke:#059669,color:#ffffff\n",[2975,5801,5802,5806,5810,5815,5820,5825,5829,5833,5838,5843,5848,5853,5858,5863,5867,5872,5876,5880,5884,5889,5894,5898,5903],{"__ignoreMap":2992},[2996,5803,5804],{"class":2998,"line":2999},[2996,5805,4147],{},[2996,5807,5808],{"class":2998,"line":3006},[2996,5809,4152],{},[2996,5811,5812],{"class":2998,"line":3030},[2996,5813,5814],{},"    participant TextBox as TextBox\n",[2996,5816,5817],{"class":2998,"line":3036},[2996,5818,5819],{},"    participant WPF as WPF CommandManager\n",[2996,5821,5822],{"class":2998,"line":3052},[2996,5823,5824],{},"    participant Command as SaveCommand\n",[2996,5826,5827],{"class":2998,"line":3058},[2996,5828,4157],{},[2996,5830,5831],{"class":2998,"line":3070},[2996,5832,3055],{},[2996,5834,5835],{"class":2998,"line":3076},[2996,5836,5837],{},"    User->>TextBox: Вводить текст \"Іван\"\n",[2996,5839,5840],{"class":2998,"line":3085},[2996,5841,5842],{},"    TextBox->>TextBox: PropertyChanged\n",[2996,5844,5845],{"class":2998,"line":3101},[2996,5846,5847],{},"    WPF->>WPF: RequerySuggested event\n",[2996,5849,5850],{"class":2998,"line":3114},[2996,5851,5852],{},"    WPF->>Command: CanExecute()?\n",[2996,5854,5855],{"class":2998,"line":3120},[2996,5856,5857],{},"    Command-->>WPF: true (ім'я не пусте)\n",[2996,5859,5860],{"class":2998,"line":3125},[2996,5861,5862],{},"    WPF->>Button: IsEnabled = true\n",[2996,5864,5865],{"class":2998,"line":3157},[2996,5866,3055],{},[2996,5868,5869],{"class":2998,"line":3162},[2996,5870,5871],{},"    User->>TextBox: Видаляє текст\n",[2996,5873,5874],{"class":2998,"line":3168},[2996,5875,5842],{},[2996,5877,5878],{"class":2998,"line":3181},[2996,5879,5847],{},[2996,5881,5882],{"class":2998,"line":3186},[2996,5883,5852],{},[2996,5885,5886],{"class":2998,"line":3191},[2996,5887,5888],{},"    Command-->>WPF: false (ім'я пусте)\n",[2996,5890,5891],{"class":2998,"line":3215},[2996,5892,5893],{},"    WPF->>Button: IsEnabled = false\n",[2996,5895,5896],{"class":2998,"line":3220},[2996,5897,3055],{},[2996,5899,5900],{"class":2998,"line":3226},[2996,5901,5902],{},"    style WPF fill:#3b82f6,stroke:#1d4ed8,color:#ffffff\n",[2996,5904,5905],{"class":2998,"line":3238},[2996,5906,5907],{},"    style Command fill:#10b981,stroke:#059669,color:#ffffff\n",[2965,5909,5910],{},[2980,5911,4525],{},[3310,5913,5914,5920,5923],{},[3313,5915,5916,5917],{},"✅ Автоматична перевірка — не потрібно вручну викликати ",[2975,5918,5919],{},"RaiseCanExecuteChanged",[3313,5921,5922],{},"✅ Працює для всіх команд одночасно",[3313,5924,5925],{},"✅ Оптимізовано WPF — перевірка тільки коли потрібно",[2965,5927,5928],{},[2980,5929,5930],{},"Недоліки:",[3310,5932,5933,5936],{},[3313,5934,5935],{},"⚠️ Не завжди спрацьовує — якщо зміна відбулася у фоновому потоці",[3313,5937,5938],{},"⚠️ Може спрацьовувати занадто часто — performance overhead",[3385,5940,5942],{"id":5941},"ручний-виклик-raisecanexecutechanged","Ручний виклик RaiseCanExecuteChanged",[2965,5944,5945,5946,5948],{},"Іноді потрібно вручну сповістити про зміну ",[2975,5947,4294],{},":",[2987,5950,5952],{"className":2989,"code":5951,"language":2991,"meta":2992,"style":2992},"public class RelayCommand : ICommand\n{\n    // ... попередній код\n    \n    // Метод для ручного виклику CanExecuteChanged\n    public void RaiseCanExecuteChanged()\n    {\n        CommandManager.InvalidateRequerySuggested();\n    }\n}\n",[2975,5953,5954,5966,5970,5975,5979,5984,5995,5999,6011,6015],{"__ignoreMap":2992},[2996,5955,5956,5958,5960,5962,5964],{"class":2998,"line":2999},[2996,5957,3010],{"class":3009},[2996,5959,3016],{"class":3009},[2996,5961,4422],{"class":3019},[2996,5963,3024],{"class":3023},[2996,5965,4705],{"class":3019},[2996,5967,5968],{"class":2998,"line":3006},[2996,5969,3033],{"class":3023},[2996,5971,5972],{"class":2998,"line":3030},[2996,5973,5974],{"class":3002},"    // ... попередній код\n",[2996,5976,5977],{"class":2998,"line":3036},[2996,5978,3055],{"class":3023},[2996,5980,5981],{"class":2998,"line":3052},[2996,5982,5983],{"class":3002},"    // Метод для ручного виклику CanExecuteChanged\n",[2996,5985,5986,5988,5990,5993],{"class":2998,"line":3058},[2996,5987,3061],{"class":3009},[2996,5989,3130],{"class":3009},[2996,5991,5992],{"class":3064}," RaiseCanExecuteChanged",[2996,5994,3067],{"class":3023},[2996,5996,5997],{"class":2998,"line":3070},[2996,5998,3073],{"class":3023},[2996,6000,6001,6004,6006,6009],{"class":2998,"line":3076},[2996,6002,6003],{"class":3045},"        CommandManager",[2996,6005,3173],{"class":3023},[2996,6007,6008],{"class":3064},"InvalidateRequerySuggested",[2996,6010,3082],{"class":3023},[2996,6012,6013],{"class":2998,"line":3085},[2996,6014,3117],{"class":3023},[2996,6016,6017],{"class":2998,"line":3101},[2996,6018,3303],{"class":3023},[2965,6020,6021],{},[2980,6022,6023],{},"Використання:",[2987,6025,6027],{"className":2989,"code":6026,"language":2991,"meta":2992,"style":2992},"public class MainViewModel : BaseViewModel\n{\n    private bool _isBusy;\n    public bool IsBusy\n    {\n        get => _isBusy;\n        set\n        {\n            if (SetProperty(ref _isBusy, value))\n            {\n                // Вручну сповістити про зміну CanExecute\n                ((RelayCommand)SaveCommand).RaiseCanExecuteChanged();\n            }\n        }\n    }\n    \n    public ICommand SaveCommand { get; }\n    \n    public MainViewModel()\n    {\n        SaveCommand = new RelayCommand(Save, CanSave);\n    }\n    \n    private bool CanSave()\n    {\n        return !IsBusy;  // Не можна зберегти під час завантаження\n    }\n}\n",[2975,6028,6029,6041,6045,6056,6065,6069,6080,6085,6090,6113,6118,6123,6143,6148,6153,6157,6161,6175,6179,6187,6191,6211,6215,6219,6229,6233,6248,6252],{"__ignoreMap":2992},[2996,6030,6031,6033,6035,6037,6039],{"class":2998,"line":2999},[2996,6032,3010],{"class":3009},[2996,6034,3016],{"class":3009},[2996,6036,3042],{"class":3019},[2996,6038,3024],{"class":3023},[2996,6040,4371],{"class":3019},[2996,6042,6043],{"class":2998,"line":3006},[2996,6044,3033],{"class":3023},[2996,6046,6047,6049,6051,6054],{"class":2998,"line":3030},[2996,6048,3039],{"class":3009},[2996,6050,4476],{"class":3009},[2996,6052,6053],{"class":3045}," _isBusy",[2996,6055,3049],{"class":3023},[2996,6057,6058,6060,6062],{"class":2998,"line":3036},[2996,6059,3061],{"class":3009},[2996,6061,4476],{"class":3009},[2996,6063,6064],{"class":3045}," IsBusy\n",[2996,6066,6067],{"class":2998,"line":3052},[2996,6068,3073],{"class":3023},[2996,6070,6071,6073,6075,6078],{"class":2998,"line":3058},[2996,6072,5109],{"class":3009},[2996,6074,5112],{"class":3023},[2996,6076,6077],{"class":3045},"_isBusy",[2996,6079,3049],{"class":3023},[2996,6081,6082],{"class":2998,"line":3070},[2996,6083,6084],{"class":3009},"        set\n",[2996,6086,6087],{"class":2998,"line":3076},[2996,6088,6089],{"class":3023},"        {\n",[2996,6091,6092,6095,6098,6100,6102,6104,6106,6108,6110],{"class":2998,"line":3085},[2996,6093,6094],{"class":4495},"            if",[2996,6096,6097],{"class":3023}," (",[2996,6099,5127],{"class":3064},[2996,6101,3136],{"class":3023},[2996,6103,5132],{"class":3009},[2996,6105,6053],{"class":3045},[2996,6107,3145],{"class":3023},[2996,6109,4887],{"class":3045},[2996,6111,6112],{"class":3023},"))\n",[2996,6114,6115],{"class":2998,"line":3101},[2996,6116,6117],{"class":3023},"            {\n",[2996,6119,6120],{"class":2998,"line":3114},[2996,6121,6122],{"class":3002},"                // Вручну сповістити про зміну CanExecute\n",[2996,6124,6125,6128,6131,6133,6136,6139,6141],{"class":2998,"line":3120},[2996,6126,6127],{"class":3023},"                ((",[2996,6129,6130],{"class":3019},"RelayCommand",[2996,6132,4298],{"class":3023},[2996,6134,6135],{"class":3045},"SaveCommand",[2996,6137,6138],{"class":3023},").",[2996,6140,5919],{"class":3064},[2996,6142,3082],{"class":3023},[2996,6144,6145],{"class":2998,"line":3125},[2996,6146,6147],{"class":3023},"            }\n",[2996,6149,6150],{"class":2998,"line":3157},[2996,6151,6152],{"class":3023},"        }\n",[2996,6154,6155],{"class":2998,"line":3162},[2996,6156,3117],{"class":3023},[2996,6158,6159],{"class":2998,"line":3168},[2996,6160,3055],{"class":3023},[2996,6162,6163,6165,6167,6169,6171,6173],{"class":2998,"line":3181},[2996,6164,3061],{"class":3009},[2996,6166,4382],{"class":3019},[2996,6168,4385],{"class":3045},[2996,6170,4388],{"class":3023},[2996,6172,4391],{"class":3009},[2996,6174,4394],{"class":3023},[2996,6176,6177],{"class":2998,"line":3186},[2996,6178,3055],{"class":3023},[2996,6180,6181,6183,6185],{"class":2998,"line":3191},[2996,6182,3061],{"class":3009},[2996,6184,3042],{"class":3064},[2996,6186,3067],{"class":3023},[2996,6188,6189],{"class":2998,"line":3215},[2996,6190,3073],{"class":3023},[2996,6192,6193,6195,6197,6199,6201,6203,6205,6207,6209],{"class":2998,"line":3220},[2996,6194,4415],{"class":3045},[2996,6196,3091],{"class":3023},[2996,6198,3094],{"class":3009},[2996,6200,4422],{"class":3019},[2996,6202,3136],{"class":3023},[2996,6204,3176],{"class":3045},[2996,6206,3145],{"class":3023},[2996,6208,4431],{"class":3045},[2996,6210,3630],{"class":3023},[2996,6212,6213],{"class":2998,"line":3226},[2996,6214,3117],{"class":3023},[2996,6216,6217],{"class":2998,"line":3238},[2996,6218,3055],{"class":3023},[2996,6220,6221,6223,6225,6227],{"class":2998,"line":3243},[2996,6222,3039],{"class":3009},[2996,6224,4476],{"class":3009},[2996,6226,4479],{"class":3064},[2996,6228,3067],{"class":3023},[2996,6230,6231],{"class":2998,"line":3248},[2996,6232,3073],{"class":3023},[2996,6234,6235,6237,6239,6242,6245],{"class":2998,"line":3272},[2996,6236,4496],{"class":4495},[2996,6238,4499],{"class":3023},[2996,6240,6241],{"class":3045},"IsBusy",[2996,6243,6244],{"class":3023},";  ",[2996,6246,6247],{"class":3002},"// Не можна зберегти під час завантаження\n",[2996,6249,6250],{"class":2998,"line":3277},[2996,6251,3117],{"class":3023},[2996,6253,6254],{"class":2998,"line":3283},[2996,6255,3303],{"class":3023},[3375,6257],{},[2960,6259,6130,6261],{"id":6260},"relaycommand-команди-з-параметром",[6262,6263,6264],"t",{},": Команди з параметром",[2965,6266,6267],{},"Іноді потрібно передати параметр з View у команду. Наприклад, видалити конкретний елемент зі списку.",[3385,6269,6271,6272],{"id":6270},"реалізація-relaycommand","Реалізація RelayCommand",[6262,6273],{},[2987,6275,6277],{"className":2989,"code":6276,"language":2991,"meta":2992,"style":2992},"public class RelayCommand\u003CT> : ICommand\n{\n    private readonly Action\u003CT> _execute;\n    private readonly Func\u003CT, bool> _canExecute;\n    \n    public RelayCommand(Action\u003CT> execute, Func\u003CT, bool> canExecute = null)\n    {\n        _execute = execute ?? throw new ArgumentNullException(nameof(execute));\n        _canExecute = canExecute;\n    }\n    \n    public event EventHandler CanExecuteChanged\n    {\n        add { CommandManager.RequerySuggested += value; }\n        remove { CommandManager.RequerySuggested -= value; }\n    }\n    \n    public bool CanExecute(object parameter)\n    {\n        return _canExecute == null || _canExecute((T)parameter);\n    }\n    \n    public void Execute(object parameter)\n    {\n        _execute((T)parameter);\n    }\n}\n",[2975,6278,6279,6297,6301,6320,6342,6346,6386,6390,6416,6426,6430,6434,6444,6448,6466,6484,6488,6492,6508,6512,6537,6541,6545,6561,6565,6579,6583],{"__ignoreMap":2992},[2996,6280,6281,6283,6285,6287,6289,6292,6295],{"class":2998,"line":2999},[2996,6282,3010],{"class":3009},[2996,6284,3016],{"class":3009},[2996,6286,4422],{"class":3019},[2996,6288,3409],{"class":3023},[2996,6290,6291],{"class":3019},"T",[2996,6293,6294],{"class":3023},"> : ",[2996,6296,4705],{"class":3019},[2996,6298,6299],{"class":2998,"line":3006},[2996,6300,3033],{"class":3023},[2996,6302,6303,6305,6307,6309,6311,6313,6315,6318],{"class":2998,"line":3030},[2996,6304,3039],{"class":3009},[2996,6306,4716],{"class":3009},[2996,6308,4719],{"class":3019},[2996,6310,3409],{"class":3023},[2996,6312,6291],{"class":3019},[2996,6314,4741],{"class":3023},[2996,6316,6317],{"class":3045},"_execute",[2996,6319,3049],{"class":3023},[2996,6321,6322,6324,6326,6328,6330,6332,6334,6336,6338,6340],{"class":2998,"line":3036},[2996,6323,3039],{"class":3009},[2996,6325,4716],{"class":3009},[2996,6327,4733],{"class":3019},[2996,6329,3409],{"class":3023},[2996,6331,6291],{"class":3019},[2996,6333,3145],{"class":3023},[2996,6335,4738],{"class":3009},[2996,6337,4741],{"class":3023},[2996,6339,4744],{"class":3045},[2996,6341,3049],{"class":3023},[2996,6343,6344],{"class":2998,"line":3052},[2996,6345,3055],{"class":3023},[2996,6347,6348,6350,6352,6354,6356,6358,6360,6362,6364,6366,6368,6370,6372,6374,6376,6378,6380,6382,6384],{"class":2998,"line":3058},[2996,6349,3061],{"class":3009},[2996,6351,4422],{"class":3064},[2996,6353,3136],{"class":3023},[2996,6355,4766],{"class":3019},[2996,6357,3409],{"class":3023},[2996,6359,6291],{"class":3019},[2996,6361,4741],{"class":3023},[2996,6363,4803],{"class":3045},[2996,6365,3145],{"class":3023},[2996,6367,4774],{"class":3019},[2996,6369,3409],{"class":3023},[2996,6371,6291],{"class":3019},[2996,6373,3145],{"class":3023},[2996,6375,4738],{"class":3009},[2996,6377,4741],{"class":3023},[2996,6379,4783],{"class":3045},[2996,6381,3091],{"class":3023},[2996,6383,3623],{"class":3009},[2996,6385,3154],{"class":3023},[2996,6387,6388],{"class":2998,"line":3070},[2996,6389,3073],{"class":3023},[2996,6391,6392,6394,6396,6398,6400,6402,6404,6406,6408,6410,6412,6414],{"class":2998,"line":3076},[2996,6393,4798],{"class":3045},[2996,6395,3091],{"class":3023},[2996,6397,4803],{"class":3045},[2996,6399,4806],{"class":3023},[2996,6401,4809],{"class":4495},[2996,6403,4812],{"class":3009},[2996,6405,4815],{"class":3019},[2996,6407,3136],{"class":3023},[2996,6409,4820],{"class":3009},[2996,6411,3136],{"class":3023},[2996,6413,4803],{"class":3045},[2996,6415,4827],{"class":3023},[2996,6417,6418,6420,6422,6424],{"class":2998,"line":3085},[2996,6419,4832],{"class":3045},[2996,6421,3091],{"class":3023},[2996,6423,4783],{"class":3045},[2996,6425,3049],{"class":3023},[2996,6427,6428],{"class":2998,"line":3101},[2996,6429,3117],{"class":3023},[2996,6431,6432],{"class":2998,"line":3114},[2996,6433,3055],{"class":3023},[2996,6435,6436,6438,6440,6442],{"class":2998,"line":3120},[2996,6437,3061],{"class":3009},[2996,6439,4857],{"class":3009},[2996,6441,4121],{"class":3019},[2996,6443,4862],{"class":3045},[2996,6445,6446],{"class":2998,"line":3125},[2996,6447,3073],{"class":3023},[2996,6449,6450,6452,6454,6456,6458,6460,6462,6464],{"class":2998,"line":3157},[2996,6451,4871],{"class":3009},[2996,6453,4388],{"class":3023},[2996,6455,4876],{"class":3045},[2996,6457,3173],{"class":3023},[2996,6459,4881],{"class":3045},[2996,6461,4884],{"class":3023},[2996,6463,4887],{"class":3045},[2996,6465,4394],{"class":3023},[2996,6467,6468,6470,6472,6474,6476,6478,6480,6482],{"class":2998,"line":3162},[2996,6469,4894],{"class":3009},[2996,6471,4388],{"class":3023},[2996,6473,4876],{"class":3045},[2996,6475,3173],{"class":3023},[2996,6477,4881],{"class":3045},[2996,6479,4905],{"class":3023},[2996,6481,4887],{"class":3045},[2996,6483,4394],{"class":3023},[2996,6485,6486],{"class":2998,"line":3168},[2996,6487,3117],{"class":3023},[2996,6489,6490],{"class":2998,"line":3181},[2996,6491,3055],{"class":3023},[2996,6493,6494,6496,6498,6500,6502,6504,6506],{"class":2998,"line":3186},[2996,6495,3061],{"class":3009},[2996,6497,4476],{"class":3009},[2996,6499,4094],{"class":3064},[2996,6501,3136],{"class":3023},[2996,6503,3139],{"class":3009},[2996,6505,4937],{"class":3045},[2996,6507,3154],{"class":3023},[2996,6509,6510],{"class":2998,"line":3191},[2996,6511,3073],{"class":3023},[2996,6513,6514,6516,6518,6520,6522,6524,6526,6529,6531,6533,6535],{"class":2998,"line":3215},[2996,6515,4496],{"class":4495},[2996,6517,4950],{"class":3045},[2996,6519,4953],{"class":3023},[2996,6521,3623],{"class":3009},[2996,6523,4958],{"class":3023},[2996,6525,4744],{"class":3064},[2996,6527,6528],{"class":3023},"((",[2996,6530,6291],{"class":3019},[2996,6532,4298],{"class":3023},[2996,6534,4075],{"class":3045},[2996,6536,3630],{"class":3023},[2996,6538,6539],{"class":2998,"line":3220},[2996,6540,3117],{"class":3023},[2996,6542,6543],{"class":2998,"line":3226},[2996,6544,3055],{"class":3023},[2996,6546,6547,6549,6551,6553,6555,6557,6559],{"class":2998,"line":3238},[2996,6548,3061],{"class":3009},[2996,6550,3130],{"class":3009},[2996,6552,4065],{"class":3064},[2996,6554,3136],{"class":3023},[2996,6556,3139],{"class":3009},[2996,6558,4937],{"class":3045},[2996,6560,3154],{"class":3023},[2996,6562,6563],{"class":2998,"line":3243},[2996,6564,3073],{"class":3023},[2996,6566,6567,6569,6571,6573,6575,6577],{"class":2998,"line":3248},[2996,6568,4798],{"class":3064},[2996,6570,6528],{"class":3023},[2996,6572,6291],{"class":3019},[2996,6574,4298],{"class":3023},[2996,6576,4075],{"class":3045},[2996,6578,3630],{"class":3023},[2996,6580,6581],{"class":2998,"line":3272},[2996,6582,3117],{"class":3023},[2996,6584,6585],{"class":2998,"line":3277},[2996,6586,3303],{"class":3023},[3385,6588,6590],{"id":6589},"використання-commandparameter","Використання CommandParameter",[2965,6592,6593],{},[2980,6594,4353],{},[2987,6596,6598],{"className":2989,"code":6597,"language":2991,"meta":2992,"style":2992},"public class TodoViewModel : BaseViewModel\n{\n    public ObservableCollection\u003CTodoItem> Items { get; set; }\n    \n    public ICommand DeleteCommand { get; }\n    \n    public TodoViewModel()\n    {\n        Items = new ObservableCollection\u003CTodoItem>\n        {\n            new TodoItem { Title = \"Завдання 1\" },\n            new TodoItem { Title = \"Завдання 2\" },\n            new TodoItem { Title = \"Завдання 3\" }\n        };\n        \n        DeleteCommand = new RelayCommand\u003CTodoItem>(Delete, CanDelete);\n    }\n    \n    private void Delete(TodoItem item)\n    {\n        Items.Remove(item);\n    }\n    \n    private bool CanDelete(TodoItem item)\n    {\n        return item != null;\n    }\n}\n",[2975,6599,6600,6613,6617,6646,6650,6665,6669,6677,6681,6698,6702,6723,6740,6758,6763,6767,6794,6798,6802,6820,6824,6840,6844,6848,6865,6869,6882,6886],{"__ignoreMap":2992},[2996,6601,6602,6604,6606,6609,6611],{"class":2998,"line":2999},[2996,6603,3010],{"class":3009},[2996,6605,3016],{"class":3009},[2996,6607,6608],{"class":3019}," TodoViewModel",[2996,6610,3024],{"class":3023},[2996,6612,4371],{"class":3019},[2996,6614,6615],{"class":2998,"line":3006},[2996,6616,3033],{"class":3023},[2996,6618,6619,6621,6624,6626,6629,6631,6634,6636,6638,6641,6644],{"class":2998,"line":3030},[2996,6620,3061],{"class":3009},[2996,6622,6623],{"class":3019}," ObservableCollection",[2996,6625,3409],{"class":3023},[2996,6627,6628],{"class":3019},"TodoItem",[2996,6630,4741],{"class":3023},[2996,6632,6633],{"class":3045},"Items",[2996,6635,4388],{"class":3023},[2996,6637,4391],{"class":3009},[2996,6639,6640],{"class":3023},"; ",[2996,6642,6643],{"class":3009},"set",[2996,6645,4394],{"class":3023},[2996,6647,6648],{"class":2998,"line":3036},[2996,6649,3055],{"class":3023},[2996,6651,6652,6654,6656,6659,6661,6663],{"class":2998,"line":3052},[2996,6653,3061],{"class":3009},[2996,6655,4382],{"class":3019},[2996,6657,6658],{"class":3045}," DeleteCommand",[2996,6660,4388],{"class":3023},[2996,6662,4391],{"class":3009},[2996,6664,4394],{"class":3023},[2996,6666,6667],{"class":2998,"line":3058},[2996,6668,3055],{"class":3023},[2996,6670,6671,6673,6675],{"class":2998,"line":3070},[2996,6672,3061],{"class":3009},[2996,6674,6608],{"class":3064},[2996,6676,3067],{"class":3023},[2996,6678,6679],{"class":2998,"line":3076},[2996,6680,3073],{"class":3023},[2996,6682,6683,6686,6688,6690,6692,6694,6696],{"class":2998,"line":3085},[2996,6684,6685],{"class":3045},"        Items",[2996,6687,3091],{"class":3023},[2996,6689,3094],{"class":3009},[2996,6691,6623],{"class":3019},[2996,6693,3409],{"class":3023},[2996,6695,6628],{"class":3019},[2996,6697,5529],{"class":3023},[2996,6699,6700],{"class":2998,"line":3101},[2996,6701,6089],{"class":3023},[2996,6703,6704,6707,6710,6712,6715,6717,6720],{"class":2998,"line":3114},[2996,6705,6706],{"class":3009},"            new",[2996,6708,6709],{"class":3019}," TodoItem",[2996,6711,4388],{"class":3023},[2996,6713,6714],{"class":3045},"Title",[2996,6716,3091],{"class":3023},[2996,6718,6719],{"class":3421},"\"Завдання 1\"",[2996,6721,6722],{"class":3023}," },\n",[2996,6724,6725,6727,6729,6731,6733,6735,6738],{"class":2998,"line":3120},[2996,6726,6706],{"class":3009},[2996,6728,6709],{"class":3019},[2996,6730,4388],{"class":3023},[2996,6732,6714],{"class":3045},[2996,6734,3091],{"class":3023},[2996,6736,6737],{"class":3421},"\"Завдання 2\"",[2996,6739,6722],{"class":3023},[2996,6741,6742,6744,6746,6748,6750,6752,6755],{"class":2998,"line":3125},[2996,6743,6706],{"class":3009},[2996,6745,6709],{"class":3019},[2996,6747,4388],{"class":3023},[2996,6749,6714],{"class":3045},[2996,6751,3091],{"class":3023},[2996,6753,6754],{"class":3421},"\"Завдання 3\"",[2996,6756,6757],{"class":3023}," }\n",[2996,6759,6760],{"class":2998,"line":3157},[2996,6761,6762],{"class":3023},"        };\n",[2996,6764,6765],{"class":2998,"line":3162},[2996,6766,5287],{"class":3023},[2996,6768,6769,6772,6774,6776,6778,6780,6782,6785,6787,6789,6792],{"class":2998,"line":3168},[2996,6770,6771],{"class":3045},"        DeleteCommand",[2996,6773,3091],{"class":3023},[2996,6775,3094],{"class":3009},[2996,6777,4422],{"class":3019},[2996,6779,3409],{"class":3023},[2996,6781,6628],{"class":3019},[2996,6783,6784],{"class":3023},">(",[2996,6786,3233],{"class":3045},[2996,6788,3145],{"class":3023},[2996,6790,6791],{"class":3045},"CanDelete",[2996,6793,3630],{"class":3023},[2996,6795,6796],{"class":2998,"line":3181},[2996,6797,3117],{"class":3023},[2996,6799,6800],{"class":2998,"line":3186},[2996,6801,3055],{"class":3023},[2996,6803,6804,6806,6808,6811,6813,6815,6818],{"class":2998,"line":3191},[2996,6805,3039],{"class":3009},[2996,6807,3130],{"class":3009},[2996,6809,6810],{"class":3064}," Delete",[2996,6812,3136],{"class":3023},[2996,6814,6628],{"class":3019},[2996,6816,6817],{"class":3045}," item",[2996,6819,3154],{"class":3023},[2996,6821,6822],{"class":2998,"line":3215},[2996,6823,3073],{"class":3023},[2996,6825,6826,6828,6830,6833,6835,6838],{"class":2998,"line":3220},[2996,6827,6685],{"class":3045},[2996,6829,3173],{"class":3023},[2996,6831,6832],{"class":3064},"Remove",[2996,6834,3136],{"class":3023},[2996,6836,6837],{"class":3045},"item",[2996,6839,3630],{"class":3023},[2996,6841,6842],{"class":2998,"line":3226},[2996,6843,3117],{"class":3023},[2996,6845,6846],{"class":2998,"line":3238},[2996,6847,3055],{"class":3023},[2996,6849,6850,6852,6854,6857,6859,6861,6863],{"class":2998,"line":3243},[2996,6851,3039],{"class":3009},[2996,6853,4476],{"class":3009},[2996,6855,6856],{"class":3064}," CanDelete",[2996,6858,3136],{"class":3023},[2996,6860,6628],{"class":3019},[2996,6862,6817],{"class":3045},[2996,6864,3154],{"class":3023},[2996,6866,6867],{"class":2998,"line":3248},[2996,6868,3073],{"class":3023},[2996,6870,6871,6873,6875,6878,6880],{"class":2998,"line":3272},[2996,6872,4496],{"class":4495},[2996,6874,6817],{"class":3045},[2996,6876,6877],{"class":3023}," != ",[2996,6879,3623],{"class":3009},[2996,6881,3049],{"class":3023},[2996,6883,6884],{"class":2998,"line":3277},[2996,6885,3117],{"class":3023},[2996,6887,6888],{"class":2998,"line":3283},[2996,6889,3303],{"class":3023},[2965,6891,6892],{},[2980,6893,5506],{},[2987,6895,6897],{"className":4318,"code":6896,"language":4320,"meta":2992,"style":2992},"\u003CListBox ItemsSource=\"{Binding Items}\">\n    \u003CListBox.ItemTemplate>\n        \u003CDataTemplate>\n            \u003CStackPanel Orientation=\"Horizontal\">\n                \u003CTextBlock Text=\"{Binding Title}\" Width=\"200\"/>\n                \n                \u003C!-- CommandParameter передає поточний елемент -->\n                \u003CButton Content=\"Видалити\" \n                        Command=\"{Binding DataContext.DeleteCommand, RelativeSource={RelativeSource AncestorType=ListBox}}\"\n                        CommandParameter=\"{Binding}\"/>\n            \u003C/StackPanel>\n        \u003C/DataTemplate>\n    \u003C/ListBox.ItemTemplate>\n\u003C/ListBox>\n",[2975,6898,6899,6916,6925,6934,6949,6972,6977,6982,6998,7008,7020,7029,7038,7046],{"__ignoreMap":2992},[2996,6900,6901,6903,6906,6909,6911,6914],{"class":2998,"line":2999},[2996,6902,3409],{"class":4327},[2996,6904,6905],{"class":4330},"ListBox",[2996,6907,6908],{"class":4333}," ItemsSource",[2996,6910,3418],{"class":3023},[2996,6912,6913],{"class":4338},"\"{Binding Items}\"",[2996,6915,5529],{"class":4327},[2996,6917,6918,6920,6923],{"class":2998,"line":3006},[2996,6919,5534],{"class":4327},[2996,6921,6922],{"class":4330},"ListBox.ItemTemplate",[2996,6924,5529],{"class":4327},[2996,6926,6927,6929,6932],{"class":2998,"line":3030},[2996,6928,5641],{"class":4327},[2996,6930,6931],{"class":4330},"DataTemplate",[2996,6933,5529],{"class":4327},[2996,6935,6936,6939,6941,6943,6945,6947],{"class":2998,"line":3036},[2996,6937,6938],{"class":4327},"            \u003C",[2996,6940,5518],{"class":4330},[2996,6942,5617],{"class":4333},[2996,6944,3418],{"class":3023},[2996,6946,5622],{"class":4338},[2996,6948,5529],{"class":4327},[2996,6950,6951,6954,6956,6958,6960,6963,6965,6967,6970],{"class":2998,"line":3052},[2996,6952,6953],{"class":4327},"                \u003C",[2996,6955,5537],{"class":4330},[2996,6957,5540],{"class":4333},[2996,6959,3418],{"class":3023},[2996,6961,6962],{"class":4338},"\"{Binding Title}\"",[2996,6964,5658],{"class":4333},[2996,6966,3418],{"class":3023},[2996,6968,6969],{"class":4338},"\"200\"",[2996,6971,3433],{"class":4327},[2996,6973,6974],{"class":2998,"line":3058},[2996,6975,6976],{"class":3023},"                \n",[2996,6978,6979],{"class":2998,"line":3070},[2996,6980,6981],{"class":3002},"                \u003C!-- CommandParameter передає поточний елемент -->\n",[2996,6983,6984,6986,6988,6990,6992,6995],{"class":2998,"line":3076},[2996,6985,6953],{"class":4327},[2996,6987,3412],{"class":4330},[2996,6989,3415],{"class":4333},[2996,6991,3418],{"class":3023},[2996,6993,6994],{"class":4338},"\"Видалити\"",[2996,6996,6997],{"class":3023}," \n",[2996,6999,7000,7003,7005],{"class":2998,"line":3085},[2996,7001,7002],{"class":4333},"                        Command",[2996,7004,3418],{"class":3023},[2996,7006,7007],{"class":4338},"\"{Binding DataContext.DeleteCommand, RelativeSource={RelativeSource AncestorType=ListBox}}\"\n",[2996,7009,7010,7013,7015,7018],{"class":2998,"line":3101},[2996,7011,7012],{"class":4333},"                        CommandParameter",[2996,7014,3418],{"class":3023},[2996,7016,7017],{"class":4338},"\"{Binding}\"",[2996,7019,3433],{"class":4327},[2996,7021,7022,7025,7027],{"class":2998,"line":3114},[2996,7023,7024],{"class":4327},"            \u003C/",[2996,7026,5518],{"class":4330},[2996,7028,5529],{"class":4327},[2996,7030,7031,7034,7036],{"class":2998,"line":3120},[2996,7032,7033],{"class":4327},"        \u003C/",[2996,7035,6931],{"class":4330},[2996,7037,5529],{"class":4327},[2996,7039,7040,7042,7044],{"class":2998,"line":3125},[2996,7041,5714],{"class":4327},[2996,7043,6922],{"class":4330},[2996,7045,5529],{"class":4327},[2996,7047,7048,7050,7052],{"class":2998,"line":3157},[2996,7049,5723],{"class":4327},[2996,7051,6905],{"class":4330},[2996,7053,5529],{"class":4327},[2965,7055,7056],{},[2980,7057,4280],{},[4282,7059,7060,7071],{},[3313,7061,7062,7067,7068,7070],{},[2980,7063,7064],{},[2975,7065,7066],{},"CommandParameter=\"{Binding}\""," — передає поточний ",[2975,7069,6628],{}," у команду",[3313,7072,7073,7078,7079,7082,7083,7085,7086,7088,7089,4298],{},[2980,7074,7075],{},[2975,7076,7077],{},"RelativeSource={RelativeSource AncestorType=ListBox}"," — знаходить ",[2975,7080,7081],{},"DataContext"," батьківського ",[2975,7084,6905],{}," (бо всередині ",[2975,7087,6931],{}," контекст — це ",[2975,7090,6628],{},[3385,7092,7094],{"id":7093},"візуалізація-з-commandparameter","Візуалізація з CommandParameter",[7096,7097,7099,7572],"wpf-preview",{"title":7098},"Todo список з командою видалення",[2987,7100,7102],{"className":4318,"code":7101,"language":4320,"meta":2992,"style":2992},"\u003CStackPanel Margin=\"20\">\n    \u003CTextBlock Text=\"Список завдань:\" FontWeight=\"Bold\" FontSize=\"16\" Margin=\"0,0,0,10\"/>\n    \n    \u003CListBox Height=\"200\">\n        \u003CListBoxItem>\n            \u003CStackPanel Orientation=\"Horizontal\">\n                \u003CTextBlock Text=\"Завдання 1\" Width=\"200\" VerticalAlignment=\"Center\"/>\n                \u003CButton Content=\"Видалити\" \n                        Command=\"{Binding DeleteCommand}\" \n                        CommandParameter=\"Item1\"\n                        Padding=\"10,5\"/>\n            \u003C/StackPanel>\n        \u003C/ListBoxItem>\n        \u003CListBoxItem>\n            \u003CStackPanel Orientation=\"Horizontal\">\n                \u003CTextBlock Text=\"Завдання 2\" Width=\"200\" VerticalAlignment=\"Center\"/>\n                \u003CButton Content=\"Видалити\" \n                        Command=\"{Binding DeleteCommand}\" \n                        CommandParameter=\"Item2\"\n                        Padding=\"10,5\"/>\n            \u003C/StackPanel>\n        \u003C/ListBoxItem>\n        \u003CListBoxItem>\n            \u003CStackPanel Orientation=\"Horizontal\">\n                \u003CTextBlock Text=\"Завдання 3\" Width=\"200\" VerticalAlignment=\"Center\"/>\n                \u003CButton Content=\"Видалити\" \n                        Command=\"{Binding DeleteCommand}\" \n                        CommandParameter=\"Item3\"\n                        Padding=\"10,5\"/>\n            \u003C/StackPanel>\n        \u003C/ListBoxItem>\n    \u003C/ListBox>\n    \n    \u003CTextBlock Text=\"Натисніть 'Видалити' для видалення завдання\" \n               Margin=\"0,10,0,0\" \n               FontStyle=\"Italic\" \n               Foreground=\"Gray\"/>\n\u003C/StackPanel>\n",[2975,7103,7104,7118,7156,7160,7175,7184,7198,7226,7240,7251,7260,7272,7280,7288,7296,7310,7336,7350,7360,7369,7379,7387,7395,7403,7417,7443,7457,7467,7476,7486,7494,7502,7510,7514,7529,7540,7552,7564],{"__ignoreMap":2992},[2996,7105,7106,7108,7110,7112,7114,7116],{"class":2998,"line":2999},[2996,7107,3409],{"class":4327},[2996,7109,5518],{"class":4330},[2996,7111,5521],{"class":4333},[2996,7113,3418],{"class":3023},[2996,7115,5526],{"class":4338},[2996,7117,5529],{"class":4327},[2996,7119,7120,7122,7124,7126,7128,7131,7134,7136,7139,7142,7144,7147,7149,7151,7154],{"class":2998,"line":3006},[2996,7121,5534],{"class":4327},[2996,7123,5537],{"class":4330},[2996,7125,5540],{"class":4333},[2996,7127,3418],{"class":3023},[2996,7129,7130],{"class":4338},"\"Список завдань:\"",[2996,7132,7133],{"class":4333}," FontWeight",[2996,7135,3418],{"class":3023},[2996,7137,7138],{"class":4338},"\"Bold\"",[2996,7140,7141],{"class":4333}," FontSize",[2996,7143,3418],{"class":3023},[2996,7145,7146],{"class":4338},"\"16\"",[2996,7148,5521],{"class":4333},[2996,7150,3418],{"class":3023},[2996,7152,7153],{"class":4338},"\"0,0,0,10\"",[2996,7155,3433],{"class":4327},[2996,7157,7158],{"class":2998,"line":3030},[2996,7159,3055],{"class":3023},[2996,7161,7162,7164,7166,7169,7171,7173],{"class":2998,"line":3036},[2996,7163,5534],{"class":4327},[2996,7165,6905],{"class":4330},[2996,7167,7168],{"class":4333}," Height",[2996,7170,3418],{"class":3023},[2996,7172,6969],{"class":4338},[2996,7174,5529],{"class":4327},[2996,7176,7177,7179,7182],{"class":2998,"line":3052},[2996,7178,5641],{"class":4327},[2996,7180,7181],{"class":4330},"ListBoxItem",[2996,7183,5529],{"class":4327},[2996,7185,7186,7188,7190,7192,7194,7196],{"class":2998,"line":3058},[2996,7187,6938],{"class":4327},[2996,7189,5518],{"class":4330},[2996,7191,5617],{"class":4333},[2996,7193,3418],{"class":3023},[2996,7195,5622],{"class":4338},[2996,7197,5529],{"class":4327},[2996,7199,7200,7202,7204,7206,7208,7210,7212,7214,7216,7219,7221,7224],{"class":2998,"line":3070},[2996,7201,6953],{"class":4327},[2996,7203,5537],{"class":4330},[2996,7205,5540],{"class":4333},[2996,7207,3418],{"class":3023},[2996,7209,6719],{"class":4338},[2996,7211,5658],{"class":4333},[2996,7213,3418],{"class":3023},[2996,7215,6969],{"class":4338},[2996,7217,7218],{"class":4333}," VerticalAlignment",[2996,7220,3418],{"class":3023},[2996,7222,7223],{"class":4338},"\"Center\"",[2996,7225,3433],{"class":4327},[2996,7227,7228,7230,7232,7234,7236,7238],{"class":2998,"line":3076},[2996,7229,6953],{"class":4327},[2996,7231,3412],{"class":4330},[2996,7233,3415],{"class":4333},[2996,7235,3418],{"class":3023},[2996,7237,6994],{"class":4338},[2996,7239,6997],{"class":3023},[2996,7241,7242,7244,7246,7249],{"class":2998,"line":3085},[2996,7243,7002],{"class":4333},[2996,7245,3418],{"class":3023},[2996,7247,7248],{"class":4338},"\"{Binding DeleteCommand}\"",[2996,7250,6997],{"class":3023},[2996,7252,7253,7255,7257],{"class":2998,"line":3101},[2996,7254,7012],{"class":4333},[2996,7256,3418],{"class":3023},[2996,7258,7259],{"class":4338},"\"Item1\"\n",[2996,7261,7262,7265,7267,7270],{"class":2998,"line":3114},[2996,7263,7264],{"class":4333},"                        Padding",[2996,7266,3418],{"class":3023},[2996,7268,7269],{"class":4338},"\"10,5\"",[2996,7271,3433],{"class":4327},[2996,7273,7274,7276,7278],{"class":2998,"line":3120},[2996,7275,7024],{"class":4327},[2996,7277,5518],{"class":4330},[2996,7279,5529],{"class":4327},[2996,7281,7282,7284,7286],{"class":2998,"line":3125},[2996,7283,7033],{"class":4327},[2996,7285,7181],{"class":4330},[2996,7287,5529],{"class":4327},[2996,7289,7290,7292,7294],{"class":2998,"line":3157},[2996,7291,5641],{"class":4327},[2996,7293,7181],{"class":4330},[2996,7295,5529],{"class":4327},[2996,7297,7298,7300,7302,7304,7306,7308],{"class":2998,"line":3162},[2996,7299,6938],{"class":4327},[2996,7301,5518],{"class":4330},[2996,7303,5617],{"class":4333},[2996,7305,3418],{"class":3023},[2996,7307,5622],{"class":4338},[2996,7309,5529],{"class":4327},[2996,7311,7312,7314,7316,7318,7320,7322,7324,7326,7328,7330,7332,7334],{"class":2998,"line":3168},[2996,7313,6953],{"class":4327},[2996,7315,5537],{"class":4330},[2996,7317,5540],{"class":4333},[2996,7319,3418],{"class":3023},[2996,7321,6737],{"class":4338},[2996,7323,5658],{"class":4333},[2996,7325,3418],{"class":3023},[2996,7327,6969],{"class":4338},[2996,7329,7218],{"class":4333},[2996,7331,3418],{"class":3023},[2996,7333,7223],{"class":4338},[2996,7335,3433],{"class":4327},[2996,7337,7338,7340,7342,7344,7346,7348],{"class":2998,"line":3181},[2996,7339,6953],{"class":4327},[2996,7341,3412],{"class":4330},[2996,7343,3415],{"class":4333},[2996,7345,3418],{"class":3023},[2996,7347,6994],{"class":4338},[2996,7349,6997],{"class":3023},[2996,7351,7352,7354,7356,7358],{"class":2998,"line":3186},[2996,7353,7002],{"class":4333},[2996,7355,3418],{"class":3023},[2996,7357,7248],{"class":4338},[2996,7359,6997],{"class":3023},[2996,7361,7362,7364,7366],{"class":2998,"line":3191},[2996,7363,7012],{"class":4333},[2996,7365,3418],{"class":3023},[2996,7367,7368],{"class":4338},"\"Item2\"\n",[2996,7370,7371,7373,7375,7377],{"class":2998,"line":3215},[2996,7372,7264],{"class":4333},[2996,7374,3418],{"class":3023},[2996,7376,7269],{"class":4338},[2996,7378,3433],{"class":4327},[2996,7380,7381,7383,7385],{"class":2998,"line":3220},[2996,7382,7024],{"class":4327},[2996,7384,5518],{"class":4330},[2996,7386,5529],{"class":4327},[2996,7388,7389,7391,7393],{"class":2998,"line":3226},[2996,7390,7033],{"class":4327},[2996,7392,7181],{"class":4330},[2996,7394,5529],{"class":4327},[2996,7396,7397,7399,7401],{"class":2998,"line":3238},[2996,7398,5641],{"class":4327},[2996,7400,7181],{"class":4330},[2996,7402,5529],{"class":4327},[2996,7404,7405,7407,7409,7411,7413,7415],{"class":2998,"line":3243},[2996,7406,6938],{"class":4327},[2996,7408,5518],{"class":4330},[2996,7410,5617],{"class":4333},[2996,7412,3418],{"class":3023},[2996,7414,5622],{"class":4338},[2996,7416,5529],{"class":4327},[2996,7418,7419,7421,7423,7425,7427,7429,7431,7433,7435,7437,7439,7441],{"class":2998,"line":3248},[2996,7420,6953],{"class":4327},[2996,7422,5537],{"class":4330},[2996,7424,5540],{"class":4333},[2996,7426,3418],{"class":3023},[2996,7428,6754],{"class":4338},[2996,7430,5658],{"class":4333},[2996,7432,3418],{"class":3023},[2996,7434,6969],{"class":4338},[2996,7436,7218],{"class":4333},[2996,7438,3418],{"class":3023},[2996,7440,7223],{"class":4338},[2996,7442,3433],{"class":4327},[2996,7444,7445,7447,7449,7451,7453,7455],{"class":2998,"line":3272},[2996,7446,6953],{"class":4327},[2996,7448,3412],{"class":4330},[2996,7450,3415],{"class":4333},[2996,7452,3418],{"class":3023},[2996,7454,6994],{"class":4338},[2996,7456,6997],{"class":3023},[2996,7458,7459,7461,7463,7465],{"class":2998,"line":3277},[2996,7460,7002],{"class":4333},[2996,7462,3418],{"class":3023},[2996,7464,7248],{"class":4338},[2996,7466,6997],{"class":3023},[2996,7468,7469,7471,7473],{"class":2998,"line":3283},[2996,7470,7012],{"class":4333},[2996,7472,3418],{"class":3023},[2996,7474,7475],{"class":4338},"\"Item3\"\n",[2996,7477,7478,7480,7482,7484],{"class":2998,"line":3295},[2996,7479,7264],{"class":4333},[2996,7481,3418],{"class":3023},[2996,7483,7269],{"class":4338},[2996,7485,3433],{"class":4327},[2996,7487,7488,7490,7492],{"class":2998,"line":3300},[2996,7489,7024],{"class":4327},[2996,7491,5518],{"class":4330},[2996,7493,5529],{"class":4327},[2996,7495,7496,7498,7500],{"class":2998,"line":4993},[2996,7497,7033],{"class":4327},[2996,7499,7181],{"class":4330},[2996,7501,5529],{"class":4327},[2996,7503,7504,7506,7508],{"class":2998,"line":4998},[2996,7505,5714],{"class":4327},[2996,7507,6905],{"class":4330},[2996,7509,5529],{"class":4327},[2996,7511,7512],{"class":2998,"line":5005},[2996,7513,3055],{"class":3023},[2996,7515,7516,7518,7520,7522,7524,7527],{"class":2998,"line":5010},[2996,7517,5534],{"class":4327},[2996,7519,5537],{"class":4330},[2996,7521,5540],{"class":4333},[2996,7523,3418],{"class":3023},[2996,7525,7526],{"class":4338},"\"Натисніть 'Видалити' для видалення завдання\"",[2996,7528,6997],{"class":3023},[2996,7530,7531,7534,7536,7538],{"class":2998,"line":5385},[2996,7532,7533],{"class":4333},"               Margin",[2996,7535,3418],{"class":3023},[2996,7537,5587],{"class":4338},[2996,7539,6997],{"class":3023},[2996,7541,7542,7545,7547,7550],{"class":2998,"line":5396},[2996,7543,7544],{"class":4333},"               FontStyle",[2996,7546,3418],{"class":3023},[2996,7548,7549],{"class":4338},"\"Italic\"",[2996,7551,6997],{"class":3023},[2996,7553,7554,7557,7559,7562],{"class":2998,"line":5401},[2996,7555,7556],{"class":4333},"               Foreground",[2996,7558,3418],{"class":3023},[2996,7560,7561],{"class":4338},"\"Gray\"",[2996,7563,3433],{"class":4327},[2996,7565,7566,7568,7570],{"class":2998,"line":5407},[2996,7567,5723],{"class":4327},[2996,7569,5518],{"class":4330},[2996,7571,5529],{"class":4327},[2987,7573,7575],{"className":2989,"code":7574,"language":2991,"meta":2992,"style":2992},"// Code-behind для демонстрації\npublic partial class MainWindow : Window\n{\n    public MainWindow()\n    {\n        InitializeComponent();\n        DataContext = new TodoViewModel();\n    }\n}\n\npublic class TodoViewModel\n{\n    public ICommand DeleteCommand { get; }\n    \n    public TodoViewModel()\n    {\n        DeleteCommand = new RelayCommand\u003Cstring>(\n            item => { /* Видалення */ },\n            item => item != null\n        );\n    }\n}\n",[2975,7576,7577,7582,7596,7600,7608,7612,7618,7630,7634,7638,7642,7651,7655,7669,7673,7681,7685,7702,7715,7728,7733,7737],{"__ignoreMap":2992},[2996,7578,7579],{"class":2998,"line":2999},[2996,7580,7581],{"class":3002},"// Code-behind для демонстрації\n",[2996,7583,7584,7586,7588,7590,7592,7594],{"class":2998,"line":3006},[2996,7585,3010],{"class":3009},[2996,7587,3013],{"class":3009},[2996,7589,3016],{"class":3009},[2996,7591,3020],{"class":3019},[2996,7593,3024],{"class":3023},[2996,7595,3027],{"class":3019},[2996,7597,7598],{"class":2998,"line":3030},[2996,7599,3033],{"class":3023},[2996,7601,7602,7604,7606],{"class":2998,"line":3036},[2996,7603,3061],{"class":3009},[2996,7605,3020],{"class":3064},[2996,7607,3067],{"class":3023},[2996,7609,7610],{"class":2998,"line":3052},[2996,7611,3073],{"class":3023},[2996,7613,7614,7616],{"class":2998,"line":3058},[2996,7615,3079],{"class":3064},[2996,7617,3082],{"class":3023},[2996,7619,7620,7622,7624,7626,7628],{"class":2998,"line":3070},[2996,7621,3104],{"class":3045},[2996,7623,3091],{"class":3023},[2996,7625,3094],{"class":3009},[2996,7627,6608],{"class":3019},[2996,7629,3082],{"class":3023},[2996,7631,7632],{"class":2998,"line":3076},[2996,7633,3117],{"class":3023},[2996,7635,7636],{"class":2998,"line":3085},[2996,7637,3303],{"class":3023},[2996,7639,7640],{"class":2998,"line":3101},[2996,7641,3439],{"emptyLinePlaceholder":3438},[2996,7643,7644,7646,7648],{"class":2998,"line":3114},[2996,7645,3010],{"class":3009},[2996,7647,3016],{"class":3009},[2996,7649,7650],{"class":3019}," TodoViewModel\n",[2996,7652,7653],{"class":2998,"line":3120},[2996,7654,3033],{"class":3023},[2996,7656,7657,7659,7661,7663,7665,7667],{"class":2998,"line":3125},[2996,7658,3061],{"class":3009},[2996,7660,4382],{"class":3019},[2996,7662,6658],{"class":3045},[2996,7664,4388],{"class":3023},[2996,7666,4391],{"class":3009},[2996,7668,4394],{"class":3023},[2996,7670,7671],{"class":2998,"line":3157},[2996,7672,3055],{"class":3023},[2996,7674,7675,7677,7679],{"class":2998,"line":3162},[2996,7676,3061],{"class":3009},[2996,7678,6608],{"class":3064},[2996,7680,3067],{"class":3023},[2996,7682,7683],{"class":2998,"line":3168},[2996,7684,3073],{"class":3023},[2996,7686,7687,7689,7691,7693,7695,7697,7699],{"class":2998,"line":3181},[2996,7688,6771],{"class":3045},[2996,7690,3091],{"class":3023},[2996,7692,3094],{"class":3009},[2996,7694,4422],{"class":3019},[2996,7696,3409],{"class":3023},[2996,7698,3727],{"class":3009},[2996,7700,7701],{"class":3023},">(\n",[2996,7703,7704,7707,7710,7713],{"class":2998,"line":3186},[2996,7705,7706],{"class":3045},"            item",[2996,7708,7709],{"class":3023}," => { ",[2996,7711,7712],{"class":3002},"/* Видалення */",[2996,7714,6722],{"class":3023},[2996,7716,7717,7719,7721,7723,7725],{"class":2998,"line":3191},[2996,7718,7706],{"class":3045},[2996,7720,5112],{"class":3023},[2996,7722,6837],{"class":3045},[2996,7724,6877],{"class":3023},[2996,7726,7727],{"class":3009},"null\n",[2996,7729,7730],{"class":2998,"line":3215},[2996,7731,7732],{"class":3023},"        );\n",[2996,7734,7735],{"class":2998,"line":3220},[2996,7736,3117],{"class":3023},[2996,7738,7739],{"class":2998,"line":3226},[2996,7740,3303],{"class":3023},[3359,7742,7743,7744,7747],{},"Превью використовує Avalonia і показує статичний список. У реальному WPF-проєкті з ",[2975,7745,7746],{},"ObservableCollection"," елементи видалятимуться динамічно.",[3375,7749],{},[2960,7751,7753],{"id":7752},"asyncrelaycommand-асинхронні-команди","AsyncRelayCommand: Асинхронні команди",[2965,7755,7756,7757,3173],{},"Багато операцій у сучасних додатках асинхронні: завантаження даних з API, збереження у БД, експорт файлів. Для цього потрібна асинхронна версія ",[2975,7758,6130],{},[3385,7760,7762],{"id":7761},"проблема-синхронних-команд","Проблема синхронних команд",[2965,7764,7765,7767,7768,7770],{},[2980,7766,3496],{}," Якщо ",[2975,7769,4288],{}," виконує довгу операцію, UI зависає.",[2987,7772,7774],{"className":2989,"code":7773,"language":2991,"meta":2992,"style":2992},"public ICommand LoadDataCommand { get; }\n\npublic MainViewModel()\n{\n    LoadDataCommand = new RelayCommand(LoadData);\n}\n\nprivate void LoadData()\n{\n    // ❌ Синхронна операція — UI зависає на 5 секунд\n    Thread.Sleep(5000);\n    \n    var data = _apiService.GetData();\n    Items = new ObservableCollection\u003CItem>(data);\n}\n",[2975,7775,7776,7791,7795,7803,7807,7825,7829,7833,7844,7848,7853,7870,7874,7893,7916],{"__ignoreMap":2992},[2996,7777,7778,7780,7782,7785,7787,7789],{"class":2998,"line":2999},[2996,7779,3010],{"class":3009},[2996,7781,4382],{"class":3045},[2996,7783,7784],{"class":3045}," LoadDataCommand",[2996,7786,4388],{"class":3023},[2996,7788,4391],{"class":3045},[2996,7790,4394],{"class":3023},[2996,7792,7793],{"class":2998,"line":3006},[2996,7794,3439],{"emptyLinePlaceholder":3438},[2996,7796,7797,7799,7801],{"class":2998,"line":3030},[2996,7798,3010],{"class":3009},[2996,7800,3042],{"class":3064},[2996,7802,3067],{"class":3023},[2996,7804,7805],{"class":2998,"line":3036},[2996,7806,3033],{"class":3023},[2996,7808,7809,7812,7814,7816,7818,7820,7823],{"class":2998,"line":3052},[2996,7810,7811],{"class":3045},"    LoadDataCommand",[2996,7813,3091],{"class":3023},[2996,7815,3094],{"class":3009},[2996,7817,4422],{"class":3019},[2996,7819,3136],{"class":3023},[2996,7821,7822],{"class":3045},"LoadData",[2996,7824,3630],{"class":3023},[2996,7826,7827],{"class":2998,"line":3058},[2996,7828,3303],{"class":3023},[2996,7830,7831],{"class":2998,"line":3070},[2996,7832,3439],{"emptyLinePlaceholder":3438},[2996,7834,7835,7837,7839,7842],{"class":2998,"line":3076},[2996,7836,3449],{"class":3009},[2996,7838,3130],{"class":3009},[2996,7840,7841],{"class":3064}," LoadData",[2996,7843,3067],{"class":3023},[2996,7845,7846],{"class":2998,"line":3085},[2996,7847,3033],{"class":3023},[2996,7849,7850],{"class":2998,"line":3101},[2996,7851,7852],{"class":3002},"    // ❌ Синхронна операція — UI зависає на 5 секунд\n",[2996,7854,7855,7858,7860,7863,7865,7868],{"class":2998,"line":3114},[2996,7856,7857],{"class":3045},"    Thread",[2996,7859,3173],{"class":3023},[2996,7861,7862],{"class":3064},"Sleep",[2996,7864,3136],{"class":3023},[2996,7866,7867],{"class":5432},"5000",[2996,7869,3630],{"class":3023},[2996,7871,7872],{"class":2998,"line":3120},[2996,7873,3055],{"class":3023},[2996,7875,7876,7878,7881,7883,7886,7888,7891],{"class":2998,"line":3125},[2996,7877,3589],{"class":3009},[2996,7879,7880],{"class":3045}," data",[2996,7882,3091],{"class":3023},[2996,7884,7885],{"class":3045},"_apiService",[2996,7887,3173],{"class":3023},[2996,7889,7890],{"class":3064},"GetData",[2996,7892,3082],{"class":3023},[2996,7894,7895,7898,7900,7902,7904,7906,7909,7911,7914],{"class":2998,"line":3157},[2996,7896,7897],{"class":3045},"    Items",[2996,7899,3091],{"class":3023},[2996,7901,3094],{"class":3009},[2996,7903,6623],{"class":3019},[2996,7905,3409],{"class":3023},[2996,7907,7908],{"class":3019},"Item",[2996,7910,6784],{"class":3023},[2996,7912,7913],{"class":3045},"data",[2996,7915,3630],{"class":3023},[2996,7917,7918],{"class":2998,"line":3162},[2996,7919,3303],{"class":3023},[2965,7921,7922],{},[2980,7923,3648],{},[3310,7925,7926,7929,7932],{},[3313,7927,7928],{},"UI зависає під час виконання",[3313,7930,7931],{},"Користувач не може взаємодіяти з додатком",[3313,7933,7934],{},"Немає індикатора завантаження",[3385,7936,7938],{"id":7937},"реалізація-asyncrelaycommand","Реалізація AsyncRelayCommand",[2987,7940,7942],{"className":2989,"code":7941,"language":2991,"meta":2992,"style":2992},"using System;\nusing System.Threading.Tasks;\nusing System.Windows.Input;\n\npublic class AsyncRelayCommand : ICommand\n{\n    private readonly Func\u003CTask> _execute;\n    private readonly Func\u003Cbool> _canExecute;\n    private bool _isExecuting;\n    \n    public AsyncRelayCommand(Func\u003CTask> execute, Func\u003Cbool> canExecute = null)\n    {\n        _execute = execute ?? throw new ArgumentNullException(nameof(execute));\n        _canExecute = canExecute;\n    }\n    \n    public event EventHandler CanExecuteChanged\n    {\n        add { CommandManager.RequerySuggested += value; }\n        remove { CommandManager.RequerySuggested -= value; }\n    }\n    \n    public bool CanExecute(object parameter)\n    {\n        // Не можна виконати, якщо вже виконується\n        return !_isExecuting && (_canExecute == null || _canExecute());\n    }\n    \n    public async void Execute(object parameter)\n    {\n        if (_isExecuting)\n            return;\n        \n        _isExecuting = true;\n        RaiseCanExecuteChanged();\n        \n        try\n        {\n            await _execute();\n        }\n        finally\n        {\n            _isExecuting = false;\n            RaiseCanExecuteChanged();\n        }\n    }\n    \n    public void RaiseCanExecuteChanged()\n    {\n        CommandManager.InvalidateRequerySuggested();\n    }\n}\n",[2975,7943,7944,7952,7970,7986,7990,8003,8007,8026,8044,8055,8059,8095,8099,8125,8135,8139,8143,8153,8157,8175,8193,8197,8201,8217,8221,8226,8251,8255,8259,8278,8282,8293,8300,8304,8316,8323,8327,8332,8336,8345,8349,8354,8358,8370,8377,8381,8385,8390,8401,8406,8417,8422],{"__ignoreMap":2992},[2996,7945,7946,7948,7950],{"class":2998,"line":2999},[2996,7947,4665],{"class":4495},[2996,7949,4668],{"class":3019},[2996,7951,3049],{"class":3023},[2996,7953,7954,7956,7958,7960,7963,7965,7968],{"class":2998,"line":3006},[2996,7955,4665],{"class":4495},[2996,7957,4668],{"class":3019},[2996,7959,3173],{"class":3023},[2996,7961,7962],{"class":3019},"Threading",[2996,7964,3173],{"class":3023},[2996,7966,7967],{"class":3019},"Tasks",[2996,7969,3049],{"class":3023},[2996,7971,7972,7974,7976,7978,7980,7982,7984],{"class":2998,"line":3030},[2996,7973,4665],{"class":4495},[2996,7975,4668],{"class":3019},[2996,7977,3173],{"class":3023},[2996,7979,4681],{"class":3019},[2996,7981,3173],{"class":3023},[2996,7983,4686],{"class":3019},[2996,7985,3049],{"class":3023},[2996,7987,7988],{"class":2998,"line":3036},[2996,7989,3439],{"emptyLinePlaceholder":3438},[2996,7991,7992,7994,7996,7999,8001],{"class":2998,"line":3052},[2996,7993,3010],{"class":3009},[2996,7995,3016],{"class":3009},[2996,7997,7998],{"class":3019}," AsyncRelayCommand",[2996,8000,3024],{"class":3023},[2996,8002,4705],{"class":3019},[2996,8004,8005],{"class":2998,"line":3058},[2996,8006,3033],{"class":3023},[2996,8008,8009,8011,8013,8015,8017,8020,8022,8024],{"class":2998,"line":3070},[2996,8010,3039],{"class":3009},[2996,8012,4716],{"class":3009},[2996,8014,4733],{"class":3019},[2996,8016,3409],{"class":3023},[2996,8018,8019],{"class":3019},"Task",[2996,8021,4741],{"class":3023},[2996,8023,6317],{"class":3045},[2996,8025,3049],{"class":3023},[2996,8027,8028,8030,8032,8034,8036,8038,8040,8042],{"class":2998,"line":3076},[2996,8029,3039],{"class":3009},[2996,8031,4716],{"class":3009},[2996,8033,4733],{"class":3019},[2996,8035,3409],{"class":3023},[2996,8037,4738],{"class":3009},[2996,8039,4741],{"class":3023},[2996,8041,4744],{"class":3045},[2996,8043,3049],{"class":3023},[2996,8045,8046,8048,8050,8053],{"class":2998,"line":3085},[2996,8047,3039],{"class":3009},[2996,8049,4476],{"class":3009},[2996,8051,8052],{"class":3045}," _isExecuting",[2996,8054,3049],{"class":3023},[2996,8056,8057],{"class":2998,"line":3101},[2996,8058,3055],{"class":3023},[2996,8060,8061,8063,8065,8067,8069,8071,8073,8075,8077,8079,8081,8083,8085,8087,8089,8091,8093],{"class":2998,"line":3114},[2996,8062,3061],{"class":3009},[2996,8064,7998],{"class":3064},[2996,8066,3136],{"class":3023},[2996,8068,4774],{"class":3019},[2996,8070,3409],{"class":3023},[2996,8072,8019],{"class":3019},[2996,8074,4741],{"class":3023},[2996,8076,4803],{"class":3045},[2996,8078,3145],{"class":3023},[2996,8080,4774],{"class":3019},[2996,8082,3409],{"class":3023},[2996,8084,4738],{"class":3009},[2996,8086,4741],{"class":3023},[2996,8088,4783],{"class":3045},[2996,8090,3091],{"class":3023},[2996,8092,3623],{"class":3009},[2996,8094,3154],{"class":3023},[2996,8096,8097],{"class":2998,"line":3120},[2996,8098,3073],{"class":3023},[2996,8100,8101,8103,8105,8107,8109,8111,8113,8115,8117,8119,8121,8123],{"class":2998,"line":3125},[2996,8102,4798],{"class":3045},[2996,8104,3091],{"class":3023},[2996,8106,4803],{"class":3045},[2996,8108,4806],{"class":3023},[2996,8110,4809],{"class":4495},[2996,8112,4812],{"class":3009},[2996,8114,4815],{"class":3019},[2996,8116,3136],{"class":3023},[2996,8118,4820],{"class":3009},[2996,8120,3136],{"class":3023},[2996,8122,4803],{"class":3045},[2996,8124,4827],{"class":3023},[2996,8126,8127,8129,8131,8133],{"class":2998,"line":3157},[2996,8128,4832],{"class":3045},[2996,8130,3091],{"class":3023},[2996,8132,4783],{"class":3045},[2996,8134,3049],{"class":3023},[2996,8136,8137],{"class":2998,"line":3162},[2996,8138,3117],{"class":3023},[2996,8140,8141],{"class":2998,"line":3168},[2996,8142,3055],{"class":3023},[2996,8144,8145,8147,8149,8151],{"class":2998,"line":3181},[2996,8146,3061],{"class":3009},[2996,8148,4857],{"class":3009},[2996,8150,4121],{"class":3019},[2996,8152,4862],{"class":3045},[2996,8154,8155],{"class":2998,"line":3186},[2996,8156,3073],{"class":3023},[2996,8158,8159,8161,8163,8165,8167,8169,8171,8173],{"class":2998,"line":3191},[2996,8160,4871],{"class":3009},[2996,8162,4388],{"class":3023},[2996,8164,4876],{"class":3045},[2996,8166,3173],{"class":3023},[2996,8168,4881],{"class":3045},[2996,8170,4884],{"class":3023},[2996,8172,4887],{"class":3045},[2996,8174,4394],{"class":3023},[2996,8176,8177,8179,8181,8183,8185,8187,8189,8191],{"class":2998,"line":3215},[2996,8178,4894],{"class":3009},[2996,8180,4388],{"class":3023},[2996,8182,4876],{"class":3045},[2996,8184,3173],{"class":3023},[2996,8186,4881],{"class":3045},[2996,8188,4905],{"class":3023},[2996,8190,4887],{"class":3045},[2996,8192,4394],{"class":3023},[2996,8194,8195],{"class":2998,"line":3220},[2996,8196,3117],{"class":3023},[2996,8198,8199],{"class":2998,"line":3226},[2996,8200,3055],{"class":3023},[2996,8202,8203,8205,8207,8209,8211,8213,8215],{"class":2998,"line":3238},[2996,8204,3061],{"class":3009},[2996,8206,4476],{"class":3009},[2996,8208,4094],{"class":3064},[2996,8210,3136],{"class":3023},[2996,8212,3139],{"class":3009},[2996,8214,4937],{"class":3045},[2996,8216,3154],{"class":3023},[2996,8218,8219],{"class":2998,"line":3243},[2996,8220,3073],{"class":3023},[2996,8222,8223],{"class":2998,"line":3248},[2996,8224,8225],{"class":3002},"        // Не можна виконати, якщо вже виконується\n",[2996,8227,8228,8230,8232,8235,8238,8240,8242,8244,8246,8248],{"class":2998,"line":3272},[2996,8229,4496],{"class":4495},[2996,8231,4499],{"class":3023},[2996,8233,8234],{"class":3045},"_isExecuting",[2996,8236,8237],{"class":3023}," && (",[2996,8239,4744],{"class":3045},[2996,8241,4953],{"class":3023},[2996,8243,3623],{"class":3009},[2996,8245,4958],{"class":3023},[2996,8247,4744],{"class":3064},[2996,8249,8250],{"class":3023},"());\n",[2996,8252,8253],{"class":2998,"line":3277},[2996,8254,3117],{"class":3023},[2996,8256,8257],{"class":2998,"line":3283},[2996,8258,3055],{"class":3023},[2996,8260,8261,8263,8266,8268,8270,8272,8274,8276],{"class":2998,"line":3295},[2996,8262,3061],{"class":3009},[2996,8264,8265],{"class":3009}," async",[2996,8267,3130],{"class":3009},[2996,8269,4065],{"class":3064},[2996,8271,3136],{"class":3023},[2996,8273,3139],{"class":3009},[2996,8275,4937],{"class":3045},[2996,8277,3154],{"class":3023},[2996,8279,8280],{"class":2998,"line":3300},[2996,8281,3073],{"class":3023},[2996,8283,8284,8287,8289,8291],{"class":2998,"line":4993},[2996,8285,8286],{"class":4495},"        if",[2996,8288,6097],{"class":3023},[2996,8290,8234],{"class":3045},[2996,8292,3154],{"class":3023},[2996,8294,8295,8298],{"class":2998,"line":4998},[2996,8296,8297],{"class":4495},"            return",[2996,8299,3049],{"class":3023},[2996,8301,8302],{"class":2998,"line":5005},[2996,8303,5287],{"class":3023},[2996,8305,8306,8309,8311,8314],{"class":2998,"line":5010},[2996,8307,8308],{"class":3045},"        _isExecuting",[2996,8310,3091],{"class":3023},[2996,8312,8313],{"class":3009},"true",[2996,8315,3049],{"class":3023},[2996,8317,8318,8321],{"class":2998,"line":5385},[2996,8319,8320],{"class":3064},"        RaiseCanExecuteChanged",[2996,8322,3082],{"class":3023},[2996,8324,8325],{"class":2998,"line":5396},[2996,8326,5287],{"class":3023},[2996,8328,8329],{"class":2998,"line":5401},[2996,8330,8331],{"class":4495},"        try\n",[2996,8333,8334],{"class":2998,"line":5407},[2996,8335,6089],{"class":3023},[2996,8337,8338,8341,8343],{"class":2998,"line":5438},[2996,8339,8340],{"class":3009},"            await",[2996,8342,4722],{"class":3064},[2996,8344,3082],{"class":3023},[2996,8346,8347],{"class":2998,"line":5443},[2996,8348,6152],{"class":3023},[2996,8350,8351],{"class":2998,"line":5448},[2996,8352,8353],{"class":4495},"        finally\n",[2996,8355,8356],{"class":2998,"line":5460},[2996,8357,6089],{"class":3023},[2996,8359,8360,8363,8365,8368],{"class":2998,"line":5465},[2996,8361,8362],{"class":3045},"            _isExecuting",[2996,8364,3091],{"class":3023},[2996,8366,8367],{"class":3009},"false",[2996,8369,3049],{"class":3023},[2996,8371,8372,8375],{"class":2998,"line":5482},[2996,8373,8374],{"class":3064},"            RaiseCanExecuteChanged",[2996,8376,3082],{"class":3023},[2996,8378,8379],{"class":2998,"line":5494},[2996,8380,6152],{"class":3023},[2996,8382,8383],{"class":2998,"line":5499},[2996,8384,3117],{"class":3023},[2996,8386,8388],{"class":2998,"line":8387},47,[2996,8389,3055],{"class":3023},[2996,8391,8393,8395,8397,8399],{"class":2998,"line":8392},48,[2996,8394,3061],{"class":3009},[2996,8396,3130],{"class":3009},[2996,8398,5992],{"class":3064},[2996,8400,3067],{"class":3023},[2996,8402,8404],{"class":2998,"line":8403},49,[2996,8405,3073],{"class":3023},[2996,8407,8409,8411,8413,8415],{"class":2998,"line":8408},50,[2996,8410,6003],{"class":3045},[2996,8412,3173],{"class":3023},[2996,8414,6008],{"class":3064},[2996,8416,3082],{"class":3023},[2996,8418,8420],{"class":2998,"line":8419},51,[2996,8421,3117],{"class":3023},[2996,8423,8425],{"class":2998,"line":8424},52,[2996,8426,3303],{"class":3023},[2965,8428,8429],{},[2980,8430,4280],{},[4282,8432,8433,8444,8451,8466],{},[3313,8434,8435,8440,8441,8443],{},[2980,8436,8437],{},[2975,8438,8439],{},"Func\u003CTask>"," — делегат повертає ",[2975,8442,8019],{}," для асинхронного виконання",[3313,8445,8446,8450],{},[2980,8447,8448],{},[2975,8449,8234],{}," — прапорець для запобігання повторному виконанню",[3313,8452,8453,8458,8459,8462,8463],{},[2980,8454,8455],{},[2975,8456,8457],{},"async void Execute"," — WPF вимагає ",[2975,8460,8461],{},"void",", але всередині використовуємо ",[2975,8464,8465],{},"await",[3313,8467,8468,8473,8474,8476],{},[2980,8469,8470],{},[2975,8471,8472],{},"try-finally"," — гарантуємо скидання ",[2975,8475,8234],{}," навіть при помилці",[3385,8478,8480],{"id":8479},"використання-asyncrelaycommand-з-isbusy","Використання AsyncRelayCommand з IsBusy",[2965,8482,8483],{},[2980,8484,4353],{},[2987,8486,8488],{"className":2989,"code":8487,"language":2991,"meta":2992,"style":2992},"public class MainViewModel : BaseViewModel\n{\n    private bool _isBusy;\n    public bool IsBusy\n    {\n        get => _isBusy;\n        set => SetProperty(ref _isBusy, value);\n    }\n    \n    private ObservableCollection\u003CItem> _items;\n    public ObservableCollection\u003CItem> Items\n    {\n        get => _items;\n        set => SetProperty(ref _items, value);\n    }\n    \n    public ICommand LoadDataCommand { get; }\n    \n    public MainViewModel()\n    {\n        LoadDataCommand = new AsyncRelayCommand(LoadDataAsync);\n    }\n    \n    private async Task LoadDataAsync()\n    {\n        IsBusy = true;\n        \n        try\n        {\n            // Симуляція завантаження з API\n            await Task.Delay(2000);\n            \n            var data = await _apiService.GetDataAsync();\n            Items = new ObservableCollection\u003CItem>(data);\n        }\n        catch (Exception ex)\n        {\n            // Обробка помилки\n            MessageBox.Show($\"Помилка: {ex.Message}\");\n        }\n        finally\n        {\n            IsBusy = false;\n        }\n    }\n}\n",[2975,8489,8490,8502,8506,8516,8524,8528,8538,8558,8562,8566,8583,8598,8602,8612,8633,8637,8641,8655,8659,8667,8671,8689,8693,8697,8711,8715,8726,8730,8734,8738,8743,8761,8766,8787,8808,8812,8827,8831,8836,8867,8871,8875,8879,8890,8894,8898],{"__ignoreMap":2992},[2996,8491,8492,8494,8496,8498,8500],{"class":2998,"line":2999},[2996,8493,3010],{"class":3009},[2996,8495,3016],{"class":3009},[2996,8497,3042],{"class":3019},[2996,8499,3024],{"class":3023},[2996,8501,4371],{"class":3019},[2996,8503,8504],{"class":2998,"line":3006},[2996,8505,3033],{"class":3023},[2996,8507,8508,8510,8512,8514],{"class":2998,"line":3030},[2996,8509,3039],{"class":3009},[2996,8511,4476],{"class":3009},[2996,8513,6053],{"class":3045},[2996,8515,3049],{"class":3023},[2996,8517,8518,8520,8522],{"class":2998,"line":3036},[2996,8519,3061],{"class":3009},[2996,8521,4476],{"class":3009},[2996,8523,6064],{"class":3045},[2996,8525,8526],{"class":2998,"line":3052},[2996,8527,3073],{"class":3023},[2996,8529,8530,8532,8534,8536],{"class":2998,"line":3058},[2996,8531,5109],{"class":3009},[2996,8533,5112],{"class":3023},[2996,8535,6077],{"class":3045},[2996,8537,3049],{"class":3023},[2996,8539,8540,8542,8544,8546,8548,8550,8552,8554,8556],{"class":2998,"line":3070},[2996,8541,5122],{"class":3009},[2996,8543,5112],{"class":3023},[2996,8545,5127],{"class":3064},[2996,8547,3136],{"class":3023},[2996,8549,5132],{"class":3009},[2996,8551,6053],{"class":3045},[2996,8553,3145],{"class":3023},[2996,8555,4887],{"class":3045},[2996,8557,3630],{"class":3023},[2996,8559,8560],{"class":2998,"line":3076},[2996,8561,3117],{"class":3023},[2996,8563,8564],{"class":2998,"line":3085},[2996,8565,3055],{"class":3023},[2996,8567,8568,8570,8572,8574,8576,8578,8581],{"class":2998,"line":3101},[2996,8569,3039],{"class":3009},[2996,8571,6623],{"class":3019},[2996,8573,3409],{"class":3023},[2996,8575,7908],{"class":3019},[2996,8577,4741],{"class":3023},[2996,8579,8580],{"class":3045},"_items",[2996,8582,3049],{"class":3023},[2996,8584,8585,8587,8589,8591,8593,8595],{"class":2998,"line":3114},[2996,8586,3061],{"class":3009},[2996,8588,6623],{"class":3019},[2996,8590,3409],{"class":3023},[2996,8592,7908],{"class":3019},[2996,8594,4741],{"class":3023},[2996,8596,8597],{"class":3045},"Items\n",[2996,8599,8600],{"class":2998,"line":3120},[2996,8601,3073],{"class":3023},[2996,8603,8604,8606,8608,8610],{"class":2998,"line":3125},[2996,8605,5109],{"class":3009},[2996,8607,5112],{"class":3023},[2996,8609,8580],{"class":3045},[2996,8611,3049],{"class":3023},[2996,8613,8614,8616,8618,8620,8622,8624,8627,8629,8631],{"class":2998,"line":3157},[2996,8615,5122],{"class":3009},[2996,8617,5112],{"class":3023},[2996,8619,5127],{"class":3064},[2996,8621,3136],{"class":3023},[2996,8623,5132],{"class":3009},[2996,8625,8626],{"class":3045}," _items",[2996,8628,3145],{"class":3023},[2996,8630,4887],{"class":3045},[2996,8632,3630],{"class":3023},[2996,8634,8635],{"class":2998,"line":3162},[2996,8636,3117],{"class":3023},[2996,8638,8639],{"class":2998,"line":3168},[2996,8640,3055],{"class":3023},[2996,8642,8643,8645,8647,8649,8651,8653],{"class":2998,"line":3181},[2996,8644,3061],{"class":3009},[2996,8646,4382],{"class":3019},[2996,8648,7784],{"class":3045},[2996,8650,4388],{"class":3023},[2996,8652,4391],{"class":3009},[2996,8654,4394],{"class":3023},[2996,8656,8657],{"class":2998,"line":3186},[2996,8658,3055],{"class":3023},[2996,8660,8661,8663,8665],{"class":2998,"line":3191},[2996,8662,3061],{"class":3009},[2996,8664,3042],{"class":3064},[2996,8666,3067],{"class":3023},[2996,8668,8669],{"class":2998,"line":3215},[2996,8670,3073],{"class":3023},[2996,8672,8673,8676,8678,8680,8682,8684,8687],{"class":2998,"line":3220},[2996,8674,8675],{"class":3045},"        LoadDataCommand",[2996,8677,3091],{"class":3023},[2996,8679,3094],{"class":3009},[2996,8681,7998],{"class":3019},[2996,8683,3136],{"class":3023},[2996,8685,8686],{"class":3045},"LoadDataAsync",[2996,8688,3630],{"class":3023},[2996,8690,8691],{"class":2998,"line":3226},[2996,8692,3117],{"class":3023},[2996,8694,8695],{"class":2998,"line":3238},[2996,8696,3055],{"class":3023},[2996,8698,8699,8701,8703,8706,8709],{"class":2998,"line":3243},[2996,8700,3039],{"class":3009},[2996,8702,8265],{"class":3009},[2996,8704,8705],{"class":3019}," Task",[2996,8707,8708],{"class":3064}," LoadDataAsync",[2996,8710,3067],{"class":3023},[2996,8712,8713],{"class":2998,"line":3248},[2996,8714,3073],{"class":3023},[2996,8716,8717,8720,8722,8724],{"class":2998,"line":3272},[2996,8718,8719],{"class":3045},"        IsBusy",[2996,8721,3091],{"class":3023},[2996,8723,8313],{"class":3009},[2996,8725,3049],{"class":3023},[2996,8727,8728],{"class":2998,"line":3277},[2996,8729,5287],{"class":3023},[2996,8731,8732],{"class":2998,"line":3283},[2996,8733,8331],{"class":4495},[2996,8735,8736],{"class":2998,"line":3295},[2996,8737,6089],{"class":3023},[2996,8739,8740],{"class":2998,"line":3300},[2996,8741,8742],{"class":3002},"            // Симуляція завантаження з API\n",[2996,8744,8745,8747,8749,8751,8754,8756,8759],{"class":2998,"line":4993},[2996,8746,8340],{"class":3009},[2996,8748,8705],{"class":3045},[2996,8750,3173],{"class":3023},[2996,8752,8753],{"class":3064},"Delay",[2996,8755,3136],{"class":3023},[2996,8757,8758],{"class":5432},"2000",[2996,8760,3630],{"class":3023},[2996,8762,8763],{"class":2998,"line":4998},[2996,8764,8765],{"class":3023},"            \n",[2996,8767,8768,8771,8773,8775,8777,8780,8782,8785],{"class":2998,"line":5005},[2996,8769,8770],{"class":3009},"            var",[2996,8772,7880],{"class":3045},[2996,8774,3091],{"class":3023},[2996,8776,8465],{"class":3009},[2996,8778,8779],{"class":3045}," _apiService",[2996,8781,3173],{"class":3023},[2996,8783,8784],{"class":3064},"GetDataAsync",[2996,8786,3082],{"class":3023},[2996,8788,8789,8792,8794,8796,8798,8800,8802,8804,8806],{"class":2998,"line":5010},[2996,8790,8791],{"class":3045},"            Items",[2996,8793,3091],{"class":3023},[2996,8795,3094],{"class":3009},[2996,8797,6623],{"class":3019},[2996,8799,3409],{"class":3023},[2996,8801,7908],{"class":3019},[2996,8803,6784],{"class":3023},[2996,8805,7913],{"class":3045},[2996,8807,3630],{"class":3023},[2996,8809,8810],{"class":2998,"line":5385},[2996,8811,6152],{"class":3023},[2996,8813,8814,8817,8819,8822,8825],{"class":2998,"line":5396},[2996,8815,8816],{"class":4495},"        catch",[2996,8818,6097],{"class":3023},[2996,8820,8821],{"class":3019},"Exception",[2996,8823,8824],{"class":3045}," ex",[2996,8826,3154],{"class":3023},[2996,8828,8829],{"class":2998,"line":5401},[2996,8830,6089],{"class":3023},[2996,8832,8833],{"class":2998,"line":5407},[2996,8834,8835],{"class":3002},"            // Обробка помилки\n",[2996,8837,8838,8841,8843,8845,8847,8850,8852,8855,8857,8860,8862,8865],{"class":2998,"line":5438},[2996,8839,8840],{"class":3045},"            MessageBox",[2996,8842,3173],{"class":3023},[2996,8844,5346],{"class":3064},[2996,8846,3136],{"class":3023},[2996,8848,8849],{"class":3421},"$\"Помилка: ",[2996,8851,5355],{"class":5354},[2996,8853,8854],{"class":3045},"ex",[2996,8856,3173],{"class":5354},[2996,8858,8859],{"class":3045},"Message",[2996,8861,5360],{"class":5354},[2996,8863,8864],{"class":3421},"\"",[2996,8866,3630],{"class":3023},[2996,8868,8869],{"class":2998,"line":5443},[2996,8870,6152],{"class":3023},[2996,8872,8873],{"class":2998,"line":5448},[2996,8874,8353],{"class":4495},[2996,8876,8877],{"class":2998,"line":5460},[2996,8878,6089],{"class":3023},[2996,8880,8881,8884,8886,8888],{"class":2998,"line":5465},[2996,8882,8883],{"class":3045},"            IsBusy",[2996,8885,3091],{"class":3023},[2996,8887,8367],{"class":3009},[2996,8889,3049],{"class":3023},[2996,8891,8892],{"class":2998,"line":5482},[2996,8893,6152],{"class":3023},[2996,8895,8896],{"class":2998,"line":5494},[2996,8897,3117],{"class":3023},[2996,8899,8900],{"class":2998,"line":5499},[2996,8901,3303],{"class":3023},[2965,8903,8904],{},[2980,8905,8906],{},"XAML з індикатором завантаження:",[2987,8908,8910],{"className":4318,"code":8909,"language":4320,"meta":2992,"style":2992},"\u003CGrid>\n    \u003CStackPanel>\n        \u003CButton Content=\"Завантажити дані\" \n                Command=\"{Binding LoadDataCommand}\"\n                IsEnabled=\"{Binding IsBusy, Converter={StaticResource InverseBooleanConverter}}\"/>\n        \n        \u003CListBox ItemsSource=\"{Binding Items}\" Margin=\"0,10,0,0\"/>\n    \u003C/StackPanel>\n    \n    \u003C!-- Індикатор завантаження -->\n    \u003CGrid Background=\"#80000000\" Visibility=\"{Binding IsBusy, Converter={StaticResource BooleanToVisibilityConverter}}\">\n        \u003CStackPanel HorizontalAlignment=\"Center\" VerticalAlignment=\"Center\">\n            \u003CProgressBar IsIndeterminate=\"True\" Width=\"200\" Height=\"20\"/>\n            \u003CTextBlock Text=\"Завантаження...\" \n                       Foreground=\"White\" \n                       Margin=\"0,10,0,0\" \n                       HorizontalAlignment=\"Center\"/>\n        \u003C/StackPanel>\n    \u003C/Grid>\n\u003C/Grid>\n",[2975,8911,8912,8921,8929,8944,8954,8966,8970,8990,8998,9002,9007,9031,9052,9081,9096,9108,9119,9130,9138,9146],{"__ignoreMap":2992},[2996,8913,8914,8916,8919],{"class":2998,"line":2999},[2996,8915,3409],{"class":4327},[2996,8917,8918],{"class":4330},"Grid",[2996,8920,5529],{"class":4327},[2996,8922,8923,8925,8927],{"class":2998,"line":3006},[2996,8924,5534],{"class":4327},[2996,8926,5518],{"class":4330},[2996,8928,5529],{"class":4327},[2996,8930,8931,8933,8935,8937,8939,8942],{"class":2998,"line":3030},[2996,8932,5641],{"class":4327},[2996,8934,3412],{"class":4330},[2996,8936,3415],{"class":4333},[2996,8938,3418],{"class":3023},[2996,8940,8941],{"class":4338},"\"Завантажити дані\"",[2996,8943,6997],{"class":3023},[2996,8945,8946,8949,8951],{"class":2998,"line":3036},[2996,8947,8948],{"class":4333},"                Command",[2996,8950,3418],{"class":3023},[2996,8952,8953],{"class":4338},"\"{Binding LoadDataCommand}\"\n",[2996,8955,8956,8959,8961,8964],{"class":2998,"line":3052},[2996,8957,8958],{"class":4333},"                IsEnabled",[2996,8960,3418],{"class":3023},[2996,8962,8963],{"class":4338},"\"{Binding IsBusy, Converter={StaticResource InverseBooleanConverter}}\"",[2996,8965,3433],{"class":4327},[2996,8967,8968],{"class":2998,"line":3058},[2996,8969,5287],{"class":3023},[2996,8971,8972,8974,8976,8978,8980,8982,8984,8986,8988],{"class":2998,"line":3070},[2996,8973,5641],{"class":4327},[2996,8975,6905],{"class":4330},[2996,8977,6908],{"class":4333},[2996,8979,3418],{"class":3023},[2996,8981,6913],{"class":4338},[2996,8983,5521],{"class":4333},[2996,8985,3418],{"class":3023},[2996,8987,5587],{"class":4338},[2996,8989,3433],{"class":4327},[2996,8991,8992,8994,8996],{"class":2998,"line":3076},[2996,8993,5714],{"class":4327},[2996,8995,5518],{"class":4330},[2996,8997,5529],{"class":4327},[2996,8999,9000],{"class":2998,"line":3085},[2996,9001,3055],{"class":3023},[2996,9003,9004],{"class":2998,"line":3101},[2996,9005,9006],{"class":3002},"    \u003C!-- Індикатор завантаження -->\n",[2996,9008,9009,9011,9013,9016,9018,9021,9024,9026,9029],{"class":2998,"line":3114},[2996,9010,5534],{"class":4327},[2996,9012,8918],{"class":4330},[2996,9014,9015],{"class":4333}," Background",[2996,9017,3418],{"class":3023},[2996,9019,9020],{"class":4338},"\"#80000000\"",[2996,9022,9023],{"class":4333}," Visibility",[2996,9025,3418],{"class":3023},[2996,9027,9028],{"class":4338},"\"{Binding IsBusy, Converter={StaticResource BooleanToVisibilityConverter}}\"",[2996,9030,5529],{"class":4327},[2996,9032,9033,9035,9037,9040,9042,9044,9046,9048,9050],{"class":2998,"line":3120},[2996,9034,5641],{"class":4327},[2996,9036,5518],{"class":4330},[2996,9038,9039],{"class":4333}," HorizontalAlignment",[2996,9041,3418],{"class":3023},[2996,9043,7223],{"class":4338},[2996,9045,7218],{"class":4333},[2996,9047,3418],{"class":3023},[2996,9049,7223],{"class":4338},[2996,9051,5529],{"class":4327},[2996,9053,9054,9056,9059,9062,9064,9067,9069,9071,9073,9075,9077,9079],{"class":2998,"line":3125},[2996,9055,6938],{"class":4327},[2996,9057,9058],{"class":4330},"ProgressBar",[2996,9060,9061],{"class":4333}," IsIndeterminate",[2996,9063,3418],{"class":3023},[2996,9065,9066],{"class":4338},"\"True\"",[2996,9068,5658],{"class":4333},[2996,9070,3418],{"class":3023},[2996,9072,6969],{"class":4338},[2996,9074,7168],{"class":4333},[2996,9076,3418],{"class":3023},[2996,9078,5526],{"class":4338},[2996,9080,3433],{"class":4327},[2996,9082,9083,9085,9087,9089,9091,9094],{"class":2998,"line":3157},[2996,9084,6938],{"class":4327},[2996,9086,5537],{"class":4330},[2996,9088,5540],{"class":4333},[2996,9090,3418],{"class":3023},[2996,9092,9093],{"class":4338},"\"Завантаження...\"",[2996,9095,6997],{"class":3023},[2996,9097,9098,9101,9103,9106],{"class":2998,"line":3162},[2996,9099,9100],{"class":4333},"                       Foreground",[2996,9102,3418],{"class":3023},[2996,9104,9105],{"class":4338},"\"White\"",[2996,9107,6997],{"class":3023},[2996,9109,9110,9113,9115,9117],{"class":2998,"line":3168},[2996,9111,9112],{"class":4333},"                       Margin",[2996,9114,3418],{"class":3023},[2996,9116,5587],{"class":4338},[2996,9118,6997],{"class":3023},[2996,9120,9121,9124,9126,9128],{"class":2998,"line":3181},[2996,9122,9123],{"class":4333},"                       HorizontalAlignment",[2996,9125,3418],{"class":3023},[2996,9127,7223],{"class":4338},[2996,9129,3433],{"class":4327},[2996,9131,9132,9134,9136],{"class":2998,"line":3186},[2996,9133,7033],{"class":4327},[2996,9135,5518],{"class":4330},[2996,9137,5529],{"class":4327},[2996,9139,9140,9142,9144],{"class":2998,"line":3191},[2996,9141,5714],{"class":4327},[2996,9143,8918],{"class":4330},[2996,9145,5529],{"class":4327},[2996,9147,9148,9150,9152],{"class":2998,"line":3215},[2996,9149,5723],{"class":4327},[2996,9151,8918],{"class":4330},[2996,9153,5529],{"class":4327},[2965,9155,9156],{},[2980,9157,5732],{},[4282,9159,9160,9163,9169,9172],{},[3313,9161,9162],{},"Користувач натискає \"Завантажити дані\"",[3313,9164,9165,9168],{},[2975,9166,9167],{},"IsBusy = true"," → кнопка відключається, з'являється індикатор",[3313,9170,9171],{},"Асинхронне завантаження даних (UI не зависає)",[3313,9173,9174,9177],{},[2975,9175,9176],{},"IsBusy = false"," → кнопка активується, індикатор зникає",[3385,9179,9181],{"id":9180},"обробка-помилок-у-asyncrelaycommand","Обробка помилок у AsyncRelayCommand",[2965,9183,9184,9186,9187,9189,9190,3173],{},[2980,9185,3496],{}," Якщо у ",[2975,9188,4288],{}," виникає виняток, він \"проковтується\" через ",[2975,9191,9192],{},"async void",[2965,9194,9195,9197,9198,5948],{},[2980,9196,3352],{}," Обробляти винятки всередині ",[2975,9199,4288],{},[2987,9201,9203],{"className":2989,"code":9202,"language":2991,"meta":2992,"style":2992},"public class AsyncRelayCommand : ICommand\n{\n    private readonly Func\u003CTask> _execute;\n    private readonly Action\u003CException> _onException;\n    \n    public AsyncRelayCommand(Func\u003CTask> execute, Action\u003CException> onException = null)\n    {\n        _execute = execute;\n        _onException = onException;\n    }\n    \n    public async void Execute(object parameter)\n    {\n        if (_isExecuting)\n            return;\n        \n        _isExecuting = true;\n        RaiseCanExecuteChanged();\n        \n        try\n        {\n            await _execute();\n        }\n        catch (Exception ex)\n        {\n            // Викликати callback для обробки помилки\n            _onException?.Invoke(ex);\n        }\n        finally\n        {\n            _isExecuting = false;\n            RaiseCanExecuteChanged();\n        }\n    }\n}\n",[2975,9204,9205,9217,9221,9239,9258,9262,9299,9303,9313,9324,9328,9332,9350,9354,9364,9370,9374,9384,9390,9394,9398,9402,9410,9414,9426,9430,9435,9452,9456,9460,9464,9474,9480,9484,9488],{"__ignoreMap":2992},[2996,9206,9207,9209,9211,9213,9215],{"class":2998,"line":2999},[2996,9208,3010],{"class":3009},[2996,9210,3016],{"class":3009},[2996,9212,7998],{"class":3019},[2996,9214,3024],{"class":3023},[2996,9216,4705],{"class":3019},[2996,9218,9219],{"class":2998,"line":3006},[2996,9220,3033],{"class":3023},[2996,9222,9223,9225,9227,9229,9231,9233,9235,9237],{"class":2998,"line":3030},[2996,9224,3039],{"class":3009},[2996,9226,4716],{"class":3009},[2996,9228,4733],{"class":3019},[2996,9230,3409],{"class":3023},[2996,9232,8019],{"class":3019},[2996,9234,4741],{"class":3023},[2996,9236,6317],{"class":3045},[2996,9238,3049],{"class":3023},[2996,9240,9241,9243,9245,9247,9249,9251,9253,9256],{"class":2998,"line":3036},[2996,9242,3039],{"class":3009},[2996,9244,4716],{"class":3009},[2996,9246,4719],{"class":3019},[2996,9248,3409],{"class":3023},[2996,9250,8821],{"class":3019},[2996,9252,4741],{"class":3023},[2996,9254,9255],{"class":3045},"_onException",[2996,9257,3049],{"class":3023},[2996,9259,9260],{"class":2998,"line":3052},[2996,9261,3055],{"class":3023},[2996,9263,9264,9266,9268,9270,9272,9274,9276,9278,9280,9282,9284,9286,9288,9290,9293,9295,9297],{"class":2998,"line":3058},[2996,9265,3061],{"class":3009},[2996,9267,7998],{"class":3064},[2996,9269,3136],{"class":3023},[2996,9271,4774],{"class":3019},[2996,9273,3409],{"class":3023},[2996,9275,8019],{"class":3019},[2996,9277,4741],{"class":3023},[2996,9279,4803],{"class":3045},[2996,9281,3145],{"class":3023},[2996,9283,4766],{"class":3019},[2996,9285,3409],{"class":3023},[2996,9287,8821],{"class":3019},[2996,9289,4741],{"class":3023},[2996,9291,9292],{"class":3045},"onException",[2996,9294,3091],{"class":3023},[2996,9296,3623],{"class":3009},[2996,9298,3154],{"class":3023},[2996,9300,9301],{"class":2998,"line":3070},[2996,9302,3073],{"class":3023},[2996,9304,9305,9307,9309,9311],{"class":2998,"line":3076},[2996,9306,4798],{"class":3045},[2996,9308,3091],{"class":3023},[2996,9310,4803],{"class":3045},[2996,9312,3049],{"class":3023},[2996,9314,9315,9318,9320,9322],{"class":2998,"line":3085},[2996,9316,9317],{"class":3045},"        _onException",[2996,9319,3091],{"class":3023},[2996,9321,9292],{"class":3045},[2996,9323,3049],{"class":3023},[2996,9325,9326],{"class":2998,"line":3101},[2996,9327,3117],{"class":3023},[2996,9329,9330],{"class":2998,"line":3114},[2996,9331,3055],{"class":3023},[2996,9333,9334,9336,9338,9340,9342,9344,9346,9348],{"class":2998,"line":3120},[2996,9335,3061],{"class":3009},[2996,9337,8265],{"class":3009},[2996,9339,3130],{"class":3009},[2996,9341,4065],{"class":3064},[2996,9343,3136],{"class":3023},[2996,9345,3139],{"class":3009},[2996,9347,4937],{"class":3045},[2996,9349,3154],{"class":3023},[2996,9351,9352],{"class":2998,"line":3125},[2996,9353,3073],{"class":3023},[2996,9355,9356,9358,9360,9362],{"class":2998,"line":3157},[2996,9357,8286],{"class":4495},[2996,9359,6097],{"class":3023},[2996,9361,8234],{"class":3045},[2996,9363,3154],{"class":3023},[2996,9365,9366,9368],{"class":2998,"line":3162},[2996,9367,8297],{"class":4495},[2996,9369,3049],{"class":3023},[2996,9371,9372],{"class":2998,"line":3168},[2996,9373,5287],{"class":3023},[2996,9375,9376,9378,9380,9382],{"class":2998,"line":3181},[2996,9377,8308],{"class":3045},[2996,9379,3091],{"class":3023},[2996,9381,8313],{"class":3009},[2996,9383,3049],{"class":3023},[2996,9385,9386,9388],{"class":2998,"line":3186},[2996,9387,8320],{"class":3064},[2996,9389,3082],{"class":3023},[2996,9391,9392],{"class":2998,"line":3191},[2996,9393,5287],{"class":3023},[2996,9395,9396],{"class":2998,"line":3215},[2996,9397,8331],{"class":4495},[2996,9399,9400],{"class":2998,"line":3220},[2996,9401,6089],{"class":3023},[2996,9403,9404,9406,9408],{"class":2998,"line":3226},[2996,9405,8340],{"class":3009},[2996,9407,4722],{"class":3064},[2996,9409,3082],{"class":3023},[2996,9411,9412],{"class":2998,"line":3238},[2996,9413,6152],{"class":3023},[2996,9415,9416,9418,9420,9422,9424],{"class":2998,"line":3243},[2996,9417,8816],{"class":4495},[2996,9419,6097],{"class":3023},[2996,9421,8821],{"class":3019},[2996,9423,8824],{"class":3045},[2996,9425,3154],{"class":3023},[2996,9427,9428],{"class":2998,"line":3248},[2996,9429,6089],{"class":3023},[2996,9431,9432],{"class":2998,"line":3272},[2996,9433,9434],{"class":3002},"            // Викликати callback для обробки помилки\n",[2996,9436,9437,9440,9443,9446,9448,9450],{"class":2998,"line":3277},[2996,9438,9439],{"class":3045},"            _onException",[2996,9441,9442],{"class":3023},"?.",[2996,9444,9445],{"class":3064},"Invoke",[2996,9447,3136],{"class":3023},[2996,9449,8854],{"class":3045},[2996,9451,3630],{"class":3023},[2996,9453,9454],{"class":2998,"line":3283},[2996,9455,6152],{"class":3023},[2996,9457,9458],{"class":2998,"line":3295},[2996,9459,8353],{"class":4495},[2996,9461,9462],{"class":2998,"line":3300},[2996,9463,6089],{"class":3023},[2996,9465,9466,9468,9470,9472],{"class":2998,"line":4993},[2996,9467,8362],{"class":3045},[2996,9469,3091],{"class":3023},[2996,9471,8367],{"class":3009},[2996,9473,3049],{"class":3023},[2996,9475,9476,9478],{"class":2998,"line":4998},[2996,9477,8374],{"class":3064},[2996,9479,3082],{"class":3023},[2996,9481,9482],{"class":2998,"line":5005},[2996,9483,6152],{"class":3023},[2996,9485,9486],{"class":2998,"line":5010},[2996,9487,3117],{"class":3023},[2996,9489,9490],{"class":2998,"line":5385},[2996,9491,3303],{"class":3023},[2965,9493,9494],{},[2980,9495,6023],{},[2987,9497,9499],{"className":2989,"code":9498,"language":2991,"meta":2992,"style":2992},"public MainViewModel()\n{\n    LoadDataCommand = new AsyncRelayCommand(\n        execute: LoadDataAsync,\n        onException: ex => ErrorMessage = ex.Message\n    );\n}\n\nprivate string _errorMessage;\npublic string ErrorMessage\n{\n    get => _errorMessage;\n    set => SetProperty(ref _errorMessage, value);\n}\n",[2975,9500,9501,9509,9513,9526,9539,9562,9567,9571,9575,9586,9595,9599,9611,9632],{"__ignoreMap":2992},[2996,9502,9503,9505,9507],{"class":2998,"line":2999},[2996,9504,3010],{"class":3009},[2996,9506,3042],{"class":3064},[2996,9508,3067],{"class":3023},[2996,9510,9511],{"class":2998,"line":3006},[2996,9512,3033],{"class":3023},[2996,9514,9515,9517,9519,9521,9523],{"class":2998,"line":3030},[2996,9516,7811],{"class":3045},[2996,9518,3091],{"class":3023},[2996,9520,3094],{"class":3009},[2996,9522,7998],{"class":3019},[2996,9524,9525],{"class":3023},"(\n",[2996,9527,9528,9531,9534,9536],{"class":2998,"line":3036},[2996,9529,9530],{"class":3045},"        execute",[2996,9532,9533],{"class":3023},": ",[2996,9535,8686],{"class":3045},[2996,9537,9538],{"class":3023},",\n",[2996,9540,9541,9544,9546,9548,9550,9553,9555,9557,9559],{"class":2998,"line":3052},[2996,9542,9543],{"class":3045},"        onException",[2996,9545,9533],{"class":3023},[2996,9547,8854],{"class":3045},[2996,9549,5112],{"class":3023},[2996,9551,9552],{"class":3045},"ErrorMessage",[2996,9554,3091],{"class":3023},[2996,9556,8854],{"class":3045},[2996,9558,3173],{"class":3023},[2996,9560,9561],{"class":3045},"Message\n",[2996,9563,9564],{"class":2998,"line":3058},[2996,9565,9566],{"class":3023},"    );\n",[2996,9568,9569],{"class":2998,"line":3070},[2996,9570,3303],{"class":3023},[2996,9572,9573],{"class":2998,"line":3076},[2996,9574,3439],{"emptyLinePlaceholder":3438},[2996,9576,9577,9579,9581,9584],{"class":2998,"line":3085},[2996,9578,3449],{"class":3009},[2996,9580,5086],{"class":3009},[2996,9582,9583],{"class":3045}," _errorMessage",[2996,9585,3049],{"class":3023},[2996,9587,9588,9590,9592],{"class":2998,"line":3101},[2996,9589,3010],{"class":3009},[2996,9591,5086],{"class":3009},[2996,9593,9594],{"class":3045}," ErrorMessage\n",[2996,9596,9597],{"class":2998,"line":3114},[2996,9598,3033],{"class":3023},[2996,9600,9601,9604,9606,9609],{"class":2998,"line":3120},[2996,9602,9603],{"class":3045},"    get",[2996,9605,5112],{"class":3023},[2996,9607,9608],{"class":3045},"_errorMessage",[2996,9610,3049],{"class":3023},[2996,9612,9613,9616,9618,9620,9622,9624,9626,9628,9630],{"class":2998,"line":3125},[2996,9614,9615],{"class":3045},"    set",[2996,9617,5112],{"class":3023},[2996,9619,5127],{"class":3064},[2996,9621,3136],{"class":3023},[2996,9623,5132],{"class":3009},[2996,9625,9583],{"class":3045},[2996,9627,3145],{"class":3023},[2996,9629,4887],{"class":3045},[2996,9631,3630],{"class":3023},[2996,9633,9634],{"class":2998,"line":3157},[2996,9635,3303],{"class":3023},[3375,9637],{},[2960,9639,9641],{"id":9640},"inputbindings-keyboard-shortcuts","InputBindings: Keyboard shortcuts",[2965,9643,9644],{},"Команди можна прив'язати не тільки до кнопок, а й до клавіатурних скорочень.",[3385,9646,9648],{"id":9647},"keybinding-для-команд","KeyBinding для команд",[2965,9650,9651],{},[2980,9652,5506],{},[2987,9654,9656],{"className":4318,"code":9655,"language":4320,"meta":2992,"style":2992},"\u003CWindow x:Class=\"MyApp.MainWindow\"\n        xmlns=\"http://schemas.microsoft.com/winfx/2006/xaml/presentation\"\n        xmlns:x=\"http://schemas.microsoft.com/winfx/2006/xaml\">\n    \n    \u003C!-- Прив'язка клавіатурних скорочень -->\n    \u003CWindow.InputBindings>\n        \u003CKeyBinding Key=\"S\" Modifiers=\"Ctrl\" Command=\"{Binding SaveCommand}\"/>\n        \u003CKeyBinding Key=\"N\" Modifiers=\"Ctrl\" Command=\"{Binding NewCommand}\"/>\n        \u003CKeyBinding Key=\"O\" Modifiers=\"Ctrl\" Command=\"{Binding OpenCommand}\"/>\n        \u003CKeyBinding Key=\"F5\" Command=\"{Binding RefreshCommand}\"/>\n        \u003CKeyBinding Key=\"Delete\" Command=\"{Binding DeleteCommand}\"/>\n    \u003C/Window.InputBindings>\n    \n    \u003CStackPanel Margin=\"20\">\n        \u003CButton Content=\"Зберегти (Ctrl+S)\" Command=\"{Binding SaveCommand}\"/>\n        \u003CButton Content=\"Новий (Ctrl+N)\" Command=\"{Binding NewCommand}\" Margin=\"0,10,0,0\"/>\n        \u003CButton Content=\"Відкрити (Ctrl+O)\" Command=\"{Binding OpenCommand}\" Margin=\"0,10,0,0\"/>\n        \u003CButton Content=\"Оновити (F5)\" Command=\"{Binding RefreshCommand}\" Margin=\"0,10,0,0\"/>\n    \u003C/StackPanel>\n\u003C/Window>\n",[2975,9657,9658,9673,9683,9695,9699,9704,9713,9744,9772,9800,9822,9843,9851,9855,9869,9890,9917,9944,9971,9979],{"__ignoreMap":2992},[2996,9659,9660,9662,9665,9668,9670],{"class":2998,"line":2999},[2996,9661,3409],{"class":4327},[2996,9663,9664],{"class":4330},"Window",[2996,9666,9667],{"class":4333}," x:Class",[2996,9669,3418],{"class":3023},[2996,9671,9672],{"class":4338},"\"MyApp.MainWindow\"\n",[2996,9674,9675,9678,9680],{"class":2998,"line":3006},[2996,9676,9677],{"class":4333},"        xmlns",[2996,9679,3418],{"class":3023},[2996,9681,9682],{"class":4338},"\"http://schemas.microsoft.com/winfx/2006/xaml/presentation\"\n",[2996,9684,9685,9688,9690,9693],{"class":2998,"line":3030},[2996,9686,9687],{"class":4333},"        xmlns:x",[2996,9689,3418],{"class":3023},[2996,9691,9692],{"class":4338},"\"http://schemas.microsoft.com/winfx/2006/xaml\"",[2996,9694,5529],{"class":4327},[2996,9696,9697],{"class":2998,"line":3036},[2996,9698,3055],{"class":3023},[2996,9700,9701],{"class":2998,"line":3052},[2996,9702,9703],{"class":3002},"    \u003C!-- Прив'язка клавіатурних скорочень -->\n",[2996,9705,9706,9708,9711],{"class":2998,"line":3058},[2996,9707,5534],{"class":4327},[2996,9709,9710],{"class":4330},"Window.InputBindings",[2996,9712,5529],{"class":4327},[2996,9714,9715,9717,9720,9723,9725,9728,9731,9733,9736,9738,9740,9742],{"class":2998,"line":3070},[2996,9716,5641],{"class":4327},[2996,9718,9719],{"class":4330},"KeyBinding",[2996,9721,9722],{"class":4333}," Key",[2996,9724,3418],{"class":3023},[2996,9726,9727],{"class":4338},"\"S\"",[2996,9729,9730],{"class":4333}," Modifiers",[2996,9732,3418],{"class":3023},[2996,9734,9735],{"class":4338},"\"Ctrl\"",[2996,9737,4341],{"class":4333},[2996,9739,3418],{"class":3023},[2996,9741,4346],{"class":4338},[2996,9743,3433],{"class":4327},[2996,9745,9746,9748,9750,9752,9754,9757,9759,9761,9763,9765,9767,9770],{"class":2998,"line":3076},[2996,9747,5641],{"class":4327},[2996,9749,9719],{"class":4330},[2996,9751,9722],{"class":4333},[2996,9753,3418],{"class":3023},[2996,9755,9756],{"class":4338},"\"N\"",[2996,9758,9730],{"class":4333},[2996,9760,3418],{"class":3023},[2996,9762,9735],{"class":4338},[2996,9764,4341],{"class":4333},[2996,9766,3418],{"class":3023},[2996,9768,9769],{"class":4338},"\"{Binding NewCommand}\"",[2996,9771,3433],{"class":4327},[2996,9773,9774,9776,9778,9780,9782,9785,9787,9789,9791,9793,9795,9798],{"class":2998,"line":3085},[2996,9775,5641],{"class":4327},[2996,9777,9719],{"class":4330},[2996,9779,9722],{"class":4333},[2996,9781,3418],{"class":3023},[2996,9783,9784],{"class":4338},"\"O\"",[2996,9786,9730],{"class":4333},[2996,9788,3418],{"class":3023},[2996,9790,9735],{"class":4338},[2996,9792,4341],{"class":4333},[2996,9794,3418],{"class":3023},[2996,9796,9797],{"class":4338},"\"{Binding OpenCommand}\"",[2996,9799,3433],{"class":4327},[2996,9801,9802,9804,9806,9808,9810,9813,9815,9817,9820],{"class":2998,"line":3101},[2996,9803,5641],{"class":4327},[2996,9805,9719],{"class":4330},[2996,9807,9722],{"class":4333},[2996,9809,3418],{"class":3023},[2996,9811,9812],{"class":4338},"\"F5\"",[2996,9814,4341],{"class":4333},[2996,9816,3418],{"class":3023},[2996,9818,9819],{"class":4338},"\"{Binding RefreshCommand}\"",[2996,9821,3433],{"class":4327},[2996,9823,9824,9826,9828,9830,9832,9835,9837,9839,9841],{"class":2998,"line":3114},[2996,9825,5641],{"class":4327},[2996,9827,9719],{"class":4330},[2996,9829,9722],{"class":4333},[2996,9831,3418],{"class":3023},[2996,9833,9834],{"class":4338},"\"Delete\"",[2996,9836,4341],{"class":4333},[2996,9838,3418],{"class":3023},[2996,9840,7248],{"class":4338},[2996,9842,3433],{"class":4327},[2996,9844,9845,9847,9849],{"class":2998,"line":3120},[2996,9846,5714],{"class":4327},[2996,9848,9710],{"class":4330},[2996,9850,5529],{"class":4327},[2996,9852,9853],{"class":2998,"line":3125},[2996,9854,3055],{"class":3023},[2996,9856,9857,9859,9861,9863,9865,9867],{"class":2998,"line":3157},[2996,9858,5534],{"class":4327},[2996,9860,5518],{"class":4330},[2996,9862,5521],{"class":4333},[2996,9864,3418],{"class":3023},[2996,9866,5526],{"class":4338},[2996,9868,5529],{"class":4327},[2996,9870,9871,9873,9875,9877,9879,9882,9884,9886,9888],{"class":2998,"line":3162},[2996,9872,5641],{"class":4327},[2996,9874,3412],{"class":4330},[2996,9876,3415],{"class":4333},[2996,9878,3418],{"class":3023},[2996,9880,9881],{"class":4338},"\"Зберегти (Ctrl+S)\"",[2996,9883,4341],{"class":4333},[2996,9885,3418],{"class":3023},[2996,9887,4346],{"class":4338},[2996,9889,3433],{"class":4327},[2996,9891,9892,9894,9896,9898,9900,9903,9905,9907,9909,9911,9913,9915],{"class":2998,"line":3168},[2996,9893,5641],{"class":4327},[2996,9895,3412],{"class":4330},[2996,9897,3415],{"class":4333},[2996,9899,3418],{"class":3023},[2996,9901,9902],{"class":4338},"\"Новий (Ctrl+N)\"",[2996,9904,4341],{"class":4333},[2996,9906,3418],{"class":3023},[2996,9908,9769],{"class":4338},[2996,9910,5521],{"class":4333},[2996,9912,3418],{"class":3023},[2996,9914,5587],{"class":4338},[2996,9916,3433],{"class":4327},[2996,9918,9919,9921,9923,9925,9927,9930,9932,9934,9936,9938,9940,9942],{"class":2998,"line":3181},[2996,9920,5641],{"class":4327},[2996,9922,3412],{"class":4330},[2996,9924,3415],{"class":4333},[2996,9926,3418],{"class":3023},[2996,9928,9929],{"class":4338},"\"Відкрити (Ctrl+O)\"",[2996,9931,4341],{"class":4333},[2996,9933,3418],{"class":3023},[2996,9935,9797],{"class":4338},[2996,9937,5521],{"class":4333},[2996,9939,3418],{"class":3023},[2996,9941,5587],{"class":4338},[2996,9943,3433],{"class":4327},[2996,9945,9946,9948,9950,9952,9954,9957,9959,9961,9963,9965,9967,9969],{"class":2998,"line":3186},[2996,9947,5641],{"class":4327},[2996,9949,3412],{"class":4330},[2996,9951,3415],{"class":4333},[2996,9953,3418],{"class":3023},[2996,9955,9956],{"class":4338},"\"Оновити (F5)\"",[2996,9958,4341],{"class":4333},[2996,9960,3418],{"class":3023},[2996,9962,9819],{"class":4338},[2996,9964,5521],{"class":4333},[2996,9966,3418],{"class":3023},[2996,9968,5587],{"class":4338},[2996,9970,3433],{"class":4327},[2996,9972,9973,9975,9977],{"class":2998,"line":3191},[2996,9974,5714],{"class":4327},[2996,9976,5518],{"class":4330},[2996,9978,5529],{"class":4327},[2996,9980,9981,9983,9985],{"class":2998,"line":3215},[2996,9982,5723],{"class":4327},[2996,9984,9664],{"class":4330},[2996,9986,5529],{"class":4327},[2965,9988,9989],{},[2980,9990,4525],{},[3310,9992,9993,9996,10002],{},[3313,9994,9995],{},"✅ Та сама команда для кнопки та клавіатурного скорочення",[3313,9997,9998,9999,10001],{},"✅ ",[2975,10000,4294],{}," працює для обох",[3313,10003,10004],{},"✅ Стандартні скорочення (Ctrl+S, Ctrl+N) працюють автоматично",[3385,10006,10008],{"id":10007},"mousebinding-для-команд","MouseBinding для команд",[2965,10010,10011],{},[2980,10012,5506],{},[2987,10014,10016],{"className":4318,"code":10015,"language":4320,"meta":2992,"style":2992},"\u003CWindow.InputBindings>\n    \u003C!-- Подвійний клік миші -->\n    \u003CMouseBinding Gesture=\"LeftDoubleClick\" Command=\"{Binding OpenCommand}\"/>\n    \n    \u003C!-- Клік правою кнопкою -->\n    \u003CMouseBinding MouseAction=\"RightClick\" Command=\"{Binding ShowContextMenuCommand}\"/>\n\u003C/Window.InputBindings>\n",[2975,10017,10018,10026,10031,10054,10058,10063,10086],{"__ignoreMap":2992},[2996,10019,10020,10022,10024],{"class":2998,"line":2999},[2996,10021,3409],{"class":4327},[2996,10023,9710],{"class":4330},[2996,10025,5529],{"class":4327},[2996,10027,10028],{"class":2998,"line":3006},[2996,10029,10030],{"class":3002},"    \u003C!-- Подвійний клік миші -->\n",[2996,10032,10033,10035,10038,10041,10043,10046,10048,10050,10052],{"class":2998,"line":3030},[2996,10034,5534],{"class":4327},[2996,10036,10037],{"class":4330},"MouseBinding",[2996,10039,10040],{"class":4333}," Gesture",[2996,10042,3418],{"class":3023},[2996,10044,10045],{"class":4338},"\"LeftDoubleClick\"",[2996,10047,4341],{"class":4333},[2996,10049,3418],{"class":3023},[2996,10051,9797],{"class":4338},[2996,10053,3433],{"class":4327},[2996,10055,10056],{"class":2998,"line":3036},[2996,10057,3055],{"class":3023},[2996,10059,10060],{"class":2998,"line":3052},[2996,10061,10062],{"class":3002},"    \u003C!-- Клік правою кнопкою -->\n",[2996,10064,10065,10067,10069,10072,10074,10077,10079,10081,10084],{"class":2998,"line":3058},[2996,10066,5534],{"class":4327},[2996,10068,10037],{"class":4330},[2996,10070,10071],{"class":4333}," MouseAction",[2996,10073,3418],{"class":3023},[2996,10075,10076],{"class":4338},"\"RightClick\"",[2996,10078,4341],{"class":4333},[2996,10080,3418],{"class":3023},[2996,10082,10083],{"class":4338},"\"{Binding ShowContextMenuCommand}\"",[2996,10085,3433],{"class":4327},[2996,10087,10088,10090,10092],{"class":2998,"line":3070},[2996,10089,5723],{"class":4327},[2996,10091,9710],{"class":4330},[2996,10093,5529],{"class":4327},[3385,10095,10097],{"id":10096},"inputbindings-на-контролах","InputBindings на контролах",[2965,10099,10100],{},[2980,10101,5506],{},[2987,10103,10105],{"className":4318,"code":10104,"language":4320,"meta":2992,"style":2992},"\u003CListBox ItemsSource=\"{Binding Items}\" SelectedItem=\"{Binding SelectedItem}\">\n    \u003CListBox.InputBindings>\n        \u003C!-- Delete для видалення вибраного елемента -->\n        \u003CKeyBinding Key=\"Delete\" Command=\"{Binding DeleteCommand}\" CommandParameter=\"{Binding SelectedItem}\"/>\n        \n        \u003C!-- Enter для редагування -->\n        \u003CKeyBinding Key=\"Enter\" Command=\"{Binding EditCommand}\" CommandParameter=\"{Binding SelectedItem}\"/>\n    \u003C/ListBox.InputBindings>\n\u003C/ListBox>\n",[2975,10106,10107,10129,10138,10143,10170,10174,10179,10207,10215],{"__ignoreMap":2992},[2996,10108,10109,10111,10113,10115,10117,10119,10122,10124,10127],{"class":2998,"line":2999},[2996,10110,3409],{"class":4327},[2996,10112,6905],{"class":4330},[2996,10114,6908],{"class":4333},[2996,10116,3418],{"class":3023},[2996,10118,6913],{"class":4338},[2996,10120,10121],{"class":4333}," SelectedItem",[2996,10123,3418],{"class":3023},[2996,10125,10126],{"class":4338},"\"{Binding SelectedItem}\"",[2996,10128,5529],{"class":4327},[2996,10130,10131,10133,10136],{"class":2998,"line":3006},[2996,10132,5534],{"class":4327},[2996,10134,10135],{"class":4330},"ListBox.InputBindings",[2996,10137,5529],{"class":4327},[2996,10139,10140],{"class":2998,"line":3030},[2996,10141,10142],{"class":3002},"        \u003C!-- Delete для видалення вибраного елемента -->\n",[2996,10144,10145,10147,10149,10151,10153,10155,10157,10159,10161,10164,10166,10168],{"class":2998,"line":3036},[2996,10146,5641],{"class":4327},[2996,10148,9719],{"class":4330},[2996,10150,9722],{"class":4333},[2996,10152,3418],{"class":3023},[2996,10154,9834],{"class":4338},[2996,10156,4341],{"class":4333},[2996,10158,3418],{"class":3023},[2996,10160,7248],{"class":4338},[2996,10162,10163],{"class":4333}," CommandParameter",[2996,10165,3418],{"class":3023},[2996,10167,10126],{"class":4338},[2996,10169,3433],{"class":4327},[2996,10171,10172],{"class":2998,"line":3052},[2996,10173,5287],{"class":3023},[2996,10175,10176],{"class":2998,"line":3058},[2996,10177,10178],{"class":3002},"        \u003C!-- Enter для редагування -->\n",[2996,10180,10181,10183,10185,10187,10189,10192,10194,10196,10199,10201,10203,10205],{"class":2998,"line":3070},[2996,10182,5641],{"class":4327},[2996,10184,9719],{"class":4330},[2996,10186,9722],{"class":4333},[2996,10188,3418],{"class":3023},[2996,10190,10191],{"class":4338},"\"Enter\"",[2996,10193,4341],{"class":4333},[2996,10195,3418],{"class":3023},[2996,10197,10198],{"class":4338},"\"{Binding EditCommand}\"",[2996,10200,10163],{"class":4333},[2996,10202,3418],{"class":3023},[2996,10204,10126],{"class":4338},[2996,10206,3433],{"class":4327},[2996,10208,10209,10211,10213],{"class":2998,"line":3076},[2996,10210,5714],{"class":4327},[2996,10212,10135],{"class":4330},[2996,10214,5529],{"class":4327},[2996,10216,10217,10219,10221],{"class":2998,"line":3085},[2996,10218,5723],{"class":4327},[2996,10220,6905],{"class":4330},[2996,10222,5529],{"class":4327},[3375,10224],{},[2960,10226,10228],{"id":10227},"recap-ооп-концепції-у-commands","🔵 Recap: ООП концепції у Commands",[2965,10230,10231],{},"Для студентів зі слабким розумінням ООП — коротке нагадування ключових концепцій, що використовуються у Commands.",[3385,10233,10235],{"id":10234},"делегати-action-та-func","Делегати: Action та Func",[2965,10237,10238],{},[2980,10239,10240],{},"Що таке делегат?",[2965,10242,10243,10244,10247],{},"Делегат — це ",[2980,10245,10246],{},"посилання на метод",". Можна передати метод як параметр іншому методу.",[2987,10249,10251],{"className":2989,"code":10250,"language":2991,"meta":2992,"style":2992},"// Делегат Action — метод без повернення значення\nAction greet = () => Console.WriteLine(\"Привіт!\");\ngreet();  // Виклик методу через делегат\n\n// Делегат Action\u003CT> — метод з параметром\nAction\u003Cstring> greetPerson = name => Console.WriteLine($\"Привіт, {name}!\");\ngreetPerson(\"Іван\");\n\n// Делегат Func\u003CT> — метод з поверненням значення\nFunc\u003Cbool> canSave = () => !string.IsNullOrWhiteSpace(Name);\nbool result = canSave();\n",[2975,10252,10253,10258,10283,10294,10298,10303,10345,10356,10360,10365,10393],{"__ignoreMap":2992},[2996,10254,10255],{"class":2998,"line":2999},[2996,10256,10257],{"class":3002},"// Делегат Action — метод без повернення значення\n",[2996,10259,10260,10262,10265,10268,10271,10273,10276,10278,10281],{"class":2998,"line":3006},[2996,10261,4766],{"class":3019},[2996,10263,10264],{"class":3045}," greet",[2996,10266,10267],{"class":3023}," = () => ",[2996,10269,10270],{"class":3045},"Console",[2996,10272,3173],{"class":3023},[2996,10274,10275],{"class":3064},"WriteLine",[2996,10277,3136],{"class":3023},[2996,10279,10280],{"class":3421},"\"Привіт!\"",[2996,10282,3630],{"class":3023},[2996,10284,10285,10288,10291],{"class":2998,"line":3030},[2996,10286,10287],{"class":3064},"greet",[2996,10289,10290],{"class":3023},"();  ",[2996,10292,10293],{"class":3002},"// Виклик методу через делегат\n",[2996,10295,10296],{"class":2998,"line":3036},[2996,10297,3439],{"emptyLinePlaceholder":3438},[2996,10299,10300],{"class":2998,"line":3052},[2996,10301,10302],{"class":3002},"// Делегат Action\u003CT> — метод з параметром\n",[2996,10304,10305,10307,10309,10311,10313,10316,10318,10321,10323,10325,10327,10329,10331,10334,10336,10338,10340,10343],{"class":2998,"line":3058},[2996,10306,4766],{"class":3019},[2996,10308,3409],{"class":3023},[2996,10310,3727],{"class":3009},[2996,10312,4741],{"class":3023},[2996,10314,10315],{"class":3045},"greetPerson",[2996,10317,3091],{"class":3023},[2996,10319,10320],{"class":3045},"name",[2996,10322,5112],{"class":3023},[2996,10324,10270],{"class":3045},[2996,10326,3173],{"class":3023},[2996,10328,10275],{"class":3064},[2996,10330,3136],{"class":3023},[2996,10332,10333],{"class":3421},"$\"Привіт, ",[2996,10335,5355],{"class":5354},[2996,10337,10320],{"class":3045},[2996,10339,5360],{"class":5354},[2996,10341,10342],{"class":3421},"!\"",[2996,10344,3630],{"class":3023},[2996,10346,10347,10349,10351,10354],{"class":2998,"line":3070},[2996,10348,10315],{"class":3064},[2996,10350,3136],{"class":3023},[2996,10352,10353],{"class":3421},"\"Іван\"",[2996,10355,3630],{"class":3023},[2996,10357,10358],{"class":2998,"line":3076},[2996,10359,3439],{"emptyLinePlaceholder":3438},[2996,10361,10362],{"class":2998,"line":3085},[2996,10363,10364],{"class":3002},"// Делегат Func\u003CT> — метод з поверненням значення\n",[2996,10366,10367,10369,10371,10373,10375,10378,10381,10383,10385,10387,10389,10391],{"class":2998,"line":3101},[2996,10368,4774],{"class":3019},[2996,10370,3409],{"class":3023},[2996,10372,4738],{"class":3009},[2996,10374,4741],{"class":3023},[2996,10376,10377],{"class":3045},"canSave",[2996,10379,10380],{"class":3023}," = () => !",[2996,10382,3727],{"class":3009},[2996,10384,3173],{"class":3023},[2996,10386,3732],{"class":3064},[2996,10388,3136],{"class":3023},[2996,10390,4510],{"class":3045},[2996,10392,3630],{"class":3023},[2996,10394,10395,10397,10400,10402,10404],{"class":2998,"line":3114},[2996,10396,4738],{"class":3009},[2996,10398,10399],{"class":3045}," result",[2996,10401,3091],{"class":3023},[2996,10403,10377],{"class":3064},[2996,10405,3082],{"class":3023},[2965,10407,10408],{},[2980,10409,10410],{},"Чому це важливо для Commands?",[2987,10412,10414],{"className":2989,"code":10413,"language":2991,"meta":2992,"style":2992},"public class RelayCommand : ICommand\n{\n    private readonly Action _execute;  // Делегат для Execute\n    private readonly Func\u003Cbool> _canExecute;  // Делегат для CanExecute\n    \n    public RelayCommand(Action execute, Func\u003Cbool> canExecute = null)\n    {\n        _execute = execute;\n        _canExecute = canExecute;\n    }\n    \n    public void Execute(object parameter)\n    {\n        _execute();  // Виклик делегата\n    }\n}\n",[2975,10415,10416,10428,10432,10447,10468,10472,10502,10506,10516,10526,10530,10534,10550,10554,10563,10567],{"__ignoreMap":2992},[2996,10417,10418,10420,10422,10424,10426],{"class":2998,"line":2999},[2996,10419,3010],{"class":3009},[2996,10421,3016],{"class":3009},[2996,10423,4422],{"class":3019},[2996,10425,3024],{"class":3023},[2996,10427,4705],{"class":3019},[2996,10429,10430],{"class":2998,"line":3006},[2996,10431,3033],{"class":3023},[2996,10433,10434,10436,10438,10440,10442,10444],{"class":2998,"line":3030},[2996,10435,3039],{"class":3009},[2996,10437,4716],{"class":3009},[2996,10439,4719],{"class":3019},[2996,10441,4722],{"class":3045},[2996,10443,6244],{"class":3023},[2996,10445,10446],{"class":3002},"// Делегат для Execute\n",[2996,10448,10449,10451,10453,10455,10457,10459,10461,10463,10465],{"class":2998,"line":3036},[2996,10450,3039],{"class":3009},[2996,10452,4716],{"class":3009},[2996,10454,4733],{"class":3019},[2996,10456,3409],{"class":3023},[2996,10458,4738],{"class":3009},[2996,10460,4741],{"class":3023},[2996,10462,4744],{"class":3045},[2996,10464,6244],{"class":3023},[2996,10466,10467],{"class":3002},"// Делегат для CanExecute\n",[2996,10469,10470],{"class":2998,"line":3052},[2996,10471,3055],{"class":3023},[2996,10473,10474,10476,10478,10480,10482,10484,10486,10488,10490,10492,10494,10496,10498,10500],{"class":2998,"line":3058},[2996,10475,3061],{"class":3009},[2996,10477,4422],{"class":3064},[2996,10479,3136],{"class":3023},[2996,10481,4766],{"class":3019},[2996,10483,4769],{"class":3045},[2996,10485,3145],{"class":3023},[2996,10487,4774],{"class":3019},[2996,10489,3409],{"class":3023},[2996,10491,4738],{"class":3009},[2996,10493,4741],{"class":3023},[2996,10495,4783],{"class":3045},[2996,10497,3091],{"class":3023},[2996,10499,3623],{"class":3009},[2996,10501,3154],{"class":3023},[2996,10503,10504],{"class":2998,"line":3070},[2996,10505,3073],{"class":3023},[2996,10507,10508,10510,10512,10514],{"class":2998,"line":3076},[2996,10509,4798],{"class":3045},[2996,10511,3091],{"class":3023},[2996,10513,4803],{"class":3045},[2996,10515,3049],{"class":3023},[2996,10517,10518,10520,10522,10524],{"class":2998,"line":3085},[2996,10519,4832],{"class":3045},[2996,10521,3091],{"class":3023},[2996,10523,4783],{"class":3045},[2996,10525,3049],{"class":3023},[2996,10527,10528],{"class":2998,"line":3101},[2996,10529,3117],{"class":3023},[2996,10531,10532],{"class":2998,"line":3114},[2996,10533,3055],{"class":3023},[2996,10535,10536,10538,10540,10542,10544,10546,10548],{"class":2998,"line":3120},[2996,10537,3061],{"class":3009},[2996,10539,3130],{"class":3009},[2996,10541,4065],{"class":3064},[2996,10543,3136],{"class":3023},[2996,10545,3139],{"class":3009},[2996,10547,4937],{"class":3045},[2996,10549,3154],{"class":3023},[2996,10551,10552],{"class":2998,"line":3125},[2996,10553,3073],{"class":3023},[2996,10555,10556,10558,10560],{"class":2998,"line":3157},[2996,10557,4798],{"class":3064},[2996,10559,10290],{"class":3023},[2996,10561,10562],{"class":3002},"// Виклик делегата\n",[2996,10564,10565],{"class":2998,"line":3162},[2996,10566,3117],{"class":3023},[2996,10568,10569],{"class":2998,"line":3168},[2996,10570,3303],{"class":3023},[2965,10572,10573],{},[2980,10574,6023],{},[2987,10576,10578],{"className":2989,"code":10577,"language":2991,"meta":2992,"style":2992},"// Передаємо методи як делегати\nSaveCommand = new RelayCommand(Save, CanSave);\n\n// Save та CanSave — це методи, але передаються як делегати\nprivate void Save() { /* ... */ }\nprivate bool CanSave() { /* ... */ }\n",[2975,10579,10580,10585,10605,10609,10614,10630],{"__ignoreMap":2992},[2996,10581,10582],{"class":2998,"line":2999},[2996,10583,10584],{"class":3002},"// Передаємо методи як делегати\n",[2996,10586,10587,10589,10591,10593,10595,10597,10599,10601,10603],{"class":2998,"line":3006},[2996,10588,6135],{"class":3045},[2996,10590,3091],{"class":3023},[2996,10592,3094],{"class":3009},[2996,10594,4422],{"class":3019},[2996,10596,3136],{"class":3023},[2996,10598,3176],{"class":3045},[2996,10600,3145],{"class":3023},[2996,10602,4431],{"class":3045},[2996,10604,3630],{"class":3023},[2996,10606,10607],{"class":2998,"line":3030},[2996,10608,3439],{"emptyLinePlaceholder":3438},[2996,10610,10611],{"class":2998,"line":3036},[2996,10612,10613],{"class":3002},"// Save та CanSave — це методи, але передаються як делегати\n",[2996,10615,10616,10618,10620,10622,10625,10628],{"class":2998,"line":3052},[2996,10617,3449],{"class":3009},[2996,10619,3130],{"class":3009},[2996,10621,4450],{"class":3064},[2996,10623,10624],{"class":3023},"() { ",[2996,10626,10627],{"class":3002},"/* ... */",[2996,10629,6757],{"class":3023},[2996,10631,10632,10634,10636,10638,10640,10642],{"class":2998,"line":3058},[2996,10633,3449],{"class":3009},[2996,10635,4476],{"class":3009},[2996,10637,4479],{"class":3064},[2996,10639,10624],{"class":3023},[2996,10641,10627],{"class":3002},[2996,10643,6757],{"class":3023},[2965,10645,10646,10649],{},[2980,10647,10648],{},"Аналогія:"," Делегат — це як пульт дистанційного керування. Ви не знаєте, що всередині телевізора, але можете викликати дію (увімкнути, вимкнути) через пульт.",[3385,10651,10653],{"id":10652},"інтерфейси-icommand-як-контракт","Інтерфейси: ICommand як контракт",[2965,10655,10656],{},[2980,10657,10658],{},"Що таке інтерфейс?",[2965,10660,10661,10662,10665],{},"Інтерфейс — це ",[2980,10663,10664],{},"контракт",", який клас зобов'язується виконати.",[2987,10667,10669],{"className":2989,"code":10668,"language":2991,"meta":2992,"style":2992},"// Інтерфейс — контракт\npublic interface ICommand\n{\n    void Execute(object parameter);\n    bool CanExecute(object parameter);\n    event EventHandler CanExecuteChanged;\n}\n\n// Клас, що виконує контракт\npublic class RelayCommand : ICommand\n{\n    // Реалізація контракту\n    public void Execute(object parameter) { /* ... */ }\n    public bool CanExecute(object parameter) { /* ... */ }\n    public event EventHandler CanExecuteChanged;\n}\n",[2975,10670,10671,10676,10684,10688,10702,10716,10726,10730,10734,10739,10751,10755,10760,10781,10801,10813],{"__ignoreMap":2992},[2996,10672,10673],{"class":2998,"line":2999},[2996,10674,10675],{"class":3002},"// Інтерфейс — контракт\n",[2996,10677,10678,10680,10682],{"class":2998,"line":3006},[2996,10679,3010],{"class":3009},[2996,10681,4045],{"class":3009},[2996,10683,4048],{"class":3019},[2996,10685,10686],{"class":2998,"line":3030},[2996,10687,3033],{"class":3023},[2996,10689,10690,10692,10694,10696,10698,10700],{"class":2998,"line":3036},[2996,10691,4062],{"class":3009},[2996,10693,4065],{"class":3064},[2996,10695,3136],{"class":3023},[2996,10697,3139],{"class":3009},[2996,10699,4937],{"class":3045},[2996,10701,3630],{"class":3023},[2996,10703,10704,10706,10708,10710,10712,10714],{"class":2998,"line":3052},[2996,10705,4091],{"class":3009},[2996,10707,4094],{"class":3064},[2996,10709,3136],{"class":3023},[2996,10711,3139],{"class":3009},[2996,10713,4937],{"class":3045},[2996,10715,3630],{"class":3023},[2996,10717,10718,10720,10722,10724],{"class":2998,"line":3058},[2996,10719,4118],{"class":3009},[2996,10721,4121],{"class":3019},[2996,10723,4124],{"class":3045},[2996,10725,3049],{"class":3023},[2996,10727,10728],{"class":2998,"line":3070},[2996,10729,3303],{"class":3023},[2996,10731,10732],{"class":2998,"line":3076},[2996,10733,3439],{"emptyLinePlaceholder":3438},[2996,10735,10736],{"class":2998,"line":3085},[2996,10737,10738],{"class":3002},"// Клас, що виконує контракт\n",[2996,10740,10741,10743,10745,10747,10749],{"class":2998,"line":3101},[2996,10742,3010],{"class":3009},[2996,10744,3016],{"class":3009},[2996,10746,4422],{"class":3019},[2996,10748,3024],{"class":3023},[2996,10750,4705],{"class":3019},[2996,10752,10753],{"class":2998,"line":3114},[2996,10754,3033],{"class":3023},[2996,10756,10757],{"class":2998,"line":3120},[2996,10758,10759],{"class":3002},"    // Реалізація контракту\n",[2996,10761,10762,10764,10766,10768,10770,10772,10774,10777,10779],{"class":2998,"line":3125},[2996,10763,3061],{"class":3009},[2996,10765,3130],{"class":3009},[2996,10767,4065],{"class":3064},[2996,10769,3136],{"class":3023},[2996,10771,3139],{"class":3009},[2996,10773,4937],{"class":3045},[2996,10775,10776],{"class":3023},") { ",[2996,10778,10627],{"class":3002},[2996,10780,6757],{"class":3023},[2996,10782,10783,10785,10787,10789,10791,10793,10795,10797,10799],{"class":2998,"line":3157},[2996,10784,3061],{"class":3009},[2996,10786,4476],{"class":3009},[2996,10788,4094],{"class":3064},[2996,10790,3136],{"class":3023},[2996,10792,3139],{"class":3009},[2996,10794,4937],{"class":3045},[2996,10796,10776],{"class":3023},[2996,10798,10627],{"class":3002},[2996,10800,6757],{"class":3023},[2996,10802,10803,10805,10807,10809,10811],{"class":2998,"line":3162},[2996,10804,3061],{"class":3009},[2996,10806,4857],{"class":3009},[2996,10808,4121],{"class":3019},[2996,10810,4124],{"class":3045},[2996,10812,3049],{"class":3023},[2996,10814,10815],{"class":2998,"line":3168},[2996,10816,3303],{"class":3023},[2965,10818,10819],{},[2980,10820,10410],{},[3310,10822,10823,10828,10834],{},[3313,10824,10825,10826],{},"WPF знає про інтерфейс ",[2975,10827,3356],{},[3313,10829,10830,10831,10833],{},"Будь-який клас, що реалізує ",[2975,10832,3356],{},", може бути командою",[3313,10835,10836,3145,10838,3145,10841,10844,10845],{},[2975,10837,6130],{},[2975,10839,10840],{},"AsyncRelayCommand",[2975,10842,10843],{},"DelegateCommand"," — всі реалізують ",[2975,10846,3356],{},[2965,10848,10849,10851],{},[2980,10850,10648],{}," Інтерфейс — це як розетка. Будь-який пристрій з відповідною вилкою (реалізацією інтерфейсу) може підключитися.",[3385,10853,10855],{"id":10854},"asyncawait-асинхронне-програмування","Async/Await: Асинхронне програмування",[2965,10857,10858],{},[2980,10859,10860],{},"Що таке async/await?",[2965,10862,10863,10866],{},[2975,10864,10865],{},"async/await"," — це механізм для асинхронного виконання коду без блокування UI.",[2987,10868,10870],{"className":2989,"code":10869,"language":2991,"meta":2992,"style":2992},"// Синхронний метод — блокує UI\nprivate void LoadData()\n{\n    Thread.Sleep(5000);  // ❌ UI зависає на 5 секунд\n    var data = _apiService.GetData();\n}\n\n// Асинхронний метод — не блокує UI\nprivate async Task LoadDataAsync()\n{\n    await Task.Delay(5000);  // ✅ UI не зависає\n    var data = await _apiService.GetDataAsync();\n}\n",[2975,10871,10872,10877,10887,10891,10909,10925,10929,10933,10938,10950,10954,10974,10992],{"__ignoreMap":2992},[2996,10873,10874],{"class":2998,"line":2999},[2996,10875,10876],{"class":3002},"// Синхронний метод — блокує UI\n",[2996,10878,10879,10881,10883,10885],{"class":2998,"line":3006},[2996,10880,3449],{"class":3009},[2996,10882,3130],{"class":3009},[2996,10884,7841],{"class":3064},[2996,10886,3067],{"class":3023},[2996,10888,10889],{"class":2998,"line":3030},[2996,10890,3033],{"class":3023},[2996,10892,10893,10895,10897,10899,10901,10903,10906],{"class":2998,"line":3036},[2996,10894,7857],{"class":3045},[2996,10896,3173],{"class":3023},[2996,10898,7862],{"class":3064},[2996,10900,3136],{"class":3023},[2996,10902,7867],{"class":5432},[2996,10904,10905],{"class":3023},");  ",[2996,10907,10908],{"class":3002},"// ❌ UI зависає на 5 секунд\n",[2996,10910,10911,10913,10915,10917,10919,10921,10923],{"class":2998,"line":3052},[2996,10912,3589],{"class":3009},[2996,10914,7880],{"class":3045},[2996,10916,3091],{"class":3023},[2996,10918,7885],{"class":3045},[2996,10920,3173],{"class":3023},[2996,10922,7890],{"class":3064},[2996,10924,3082],{"class":3023},[2996,10926,10927],{"class":2998,"line":3058},[2996,10928,3303],{"class":3023},[2996,10930,10931],{"class":2998,"line":3070},[2996,10932,3439],{"emptyLinePlaceholder":3438},[2996,10934,10935],{"class":2998,"line":3076},[2996,10936,10937],{"class":3002},"// Асинхронний метод — не блокує UI\n",[2996,10939,10940,10942,10944,10946,10948],{"class":2998,"line":3085},[2996,10941,3449],{"class":3009},[2996,10943,8265],{"class":3009},[2996,10945,8705],{"class":3019},[2996,10947,8708],{"class":3064},[2996,10949,3067],{"class":3023},[2996,10951,10952],{"class":2998,"line":3101},[2996,10953,3033],{"class":3023},[2996,10955,10956,10959,10961,10963,10965,10967,10969,10971],{"class":2998,"line":3114},[2996,10957,10958],{"class":3009},"    await",[2996,10960,8705],{"class":3045},[2996,10962,3173],{"class":3023},[2996,10964,8753],{"class":3064},[2996,10966,3136],{"class":3023},[2996,10968,7867],{"class":5432},[2996,10970,10905],{"class":3023},[2996,10972,10973],{"class":3002},"// ✅ UI не зависає\n",[2996,10975,10976,10978,10980,10982,10984,10986,10988,10990],{"class":2998,"line":3120},[2996,10977,3589],{"class":3009},[2996,10979,7880],{"class":3045},[2996,10981,3091],{"class":3023},[2996,10983,8465],{"class":3009},[2996,10985,8779],{"class":3045},[2996,10987,3173],{"class":3023},[2996,10989,8784],{"class":3064},[2996,10991,3082],{"class":3023},[2996,10993,10994],{"class":2998,"line":3125},[2996,10995,3303],{"class":3023},[2965,10997,10998],{},[2980,10999,10410],{},[3310,11001,11002,11005,11008],{},[3313,11003,11004],{},"Довгі операції (API, БД) не блокують UI",[3313,11006,11007],{},"Користувач може взаємодіяти з додатком під час завантаження",[3313,11009,11010],{},"Можна показати індикатор завантаження",[2965,11012,11013,11015],{},[2980,11014,10648],{}," Синхронний код — це як стояти в черзі у банку. Асинхронний код — це як замовити піцу онлайн і займатися своїми справами, поки вона готується.",[11017,11018,11019,11022,11023,3369,11027,11031],"tip",{},[2980,11020,11021],{},"Детальніше про ООП:"," Якщо концепції делегатів, інтерфейсів або async/await незрозумілі, рекомендую повернутися до розділу ",[2969,11024,11026],{"href":11025},"../02.oop/","ООП: Основи",[2969,11028,11030],{"href":11029},"../08.async/","Асинхронне програмування"," для глибшого розуміння.",[3375,11033],{},[2960,11035,11037],{"id":11036},"практичні-завдання","Практичні завдання",[3385,11039,11041],{"id":11040},"рівень-1-кнопка-save-з-canexecute","Рівень 1: Кнопка Save з CanExecute",[2965,11043,11044,11046,11047,3173],{},[2980,11045,4651],{}," Навчитися створювати команди з автоматичним управлінням ",[2975,11048,3721],{},[2965,11050,11051],{},[2980,11052,11053],{},"Завдання:",[2965,11055,11056],{},"Створіть форму для введення даних користувача:",[4282,11058,11059,11082,11102],{},[3313,11060,11061,11064],{},[2980,11062,11063],{},"Властивості:",[3310,11065,11066,11072,11077],{},[3313,11067,11068,11071],{},[2975,11069,11070],{},"FirstName"," (string)",[3313,11073,11074,11071],{},[2975,11075,11076],{},"LastName",[3313,11078,11079,11071],{},[2975,11080,11081],{},"Email",[3313,11083,11084,11087],{},[2980,11085,11086],{},"Команда:",[3310,11088,11089,11094],{},[3313,11090,11091,11093],{},[2975,11092,6135],{}," — зберігає дані",[3313,11095,11096,11098,11099,11101],{},[2975,11097,4294],{}," — повертає ",[2975,11100,8313],{}," тільки якщо всі поля заповнені",[3313,11103,11104,11107],{},[2980,11105,11106],{},"UI:",[3310,11108,11109,11112],{},[3313,11110,11111],{},"Три TextBox для введення",[3313,11113,11114],{},"Кнопка \"Зберегти\" (активна тільки якщо всі поля заповнені)",[2965,11116,11117],{},[2980,11118,11119],{},"Критерії успіху:",[3310,11121,11122,11125,11128,11131],{},[3313,11123,11124],{},"Кнопка відключена, якщо хоча б одне поле пусте",[3313,11126,11127],{},"Кнопка активується автоматично при заповненні всіх полів",[3313,11129,11130],{},"При натисканні кнопки — показати MessageBox з даними",[3313,11132,11133],{},"Всі тести проходять",[2965,11135,11136],{},[2980,11137,11138],{},"Підказка:",[2987,11140,11142],{"className":2989,"code":11141,"language":2991,"meta":2992,"style":2992},"public class UserViewModel : BaseViewModel\n{\n    private string _firstName;\n    public string FirstName\n    {\n        get => _firstName;\n        set => SetProperty(ref _firstName, value);\n    }\n    \n    // TODO: Додати LastName, Email\n    \n    public ICommand SaveCommand { get; }\n    \n    public UserViewModel()\n    {\n        SaveCommand = new RelayCommand(Save, CanSave);\n    }\n    \n    private void Save()\n    {\n        MessageBox.Show($\"Збережено: {FirstName} {LastName}, {Email}\");\n    }\n    \n    private bool CanSave()\n    {\n        // TODO: Перевірити, чи всі поля заповнені\n        return !string.IsNullOrWhiteSpace(FirstName) &&\n               !string.IsNullOrWhiteSpace(LastName) &&\n               !string.IsNullOrWhiteSpace(Email);\n    }\n}\n",[2975,11143,11144,11157,11161,11172,11181,11185,11196,11216,11220,11224,11229,11233,11247,11251,11259,11263,11283,11287,11291,11301,11305,11342,11346,11350,11360,11364,11369,11388,11405,11421,11425],{"__ignoreMap":2992},[2996,11145,11146,11148,11150,11153,11155],{"class":2998,"line":2999},[2996,11147,3010],{"class":3009},[2996,11149,3016],{"class":3009},[2996,11151,11152],{"class":3019}," UserViewModel",[2996,11154,3024],{"class":3023},[2996,11156,4371],{"class":3019},[2996,11158,11159],{"class":2998,"line":3006},[2996,11160,3033],{"class":3023},[2996,11162,11163,11165,11167,11170],{"class":2998,"line":3030},[2996,11164,3039],{"class":3009},[2996,11166,5086],{"class":3009},[2996,11168,11169],{"class":3045}," _firstName",[2996,11171,3049],{"class":3023},[2996,11173,11174,11176,11178],{"class":2998,"line":3036},[2996,11175,3061],{"class":3009},[2996,11177,5086],{"class":3009},[2996,11179,11180],{"class":3045}," FirstName\n",[2996,11182,11183],{"class":2998,"line":3052},[2996,11184,3073],{"class":3023},[2996,11186,11187,11189,11191,11194],{"class":2998,"line":3058},[2996,11188,5109],{"class":3009},[2996,11190,5112],{"class":3023},[2996,11192,11193],{"class":3045},"_firstName",[2996,11195,3049],{"class":3023},[2996,11197,11198,11200,11202,11204,11206,11208,11210,11212,11214],{"class":2998,"line":3070},[2996,11199,5122],{"class":3009},[2996,11201,5112],{"class":3023},[2996,11203,5127],{"class":3064},[2996,11205,3136],{"class":3023},[2996,11207,5132],{"class":3009},[2996,11209,11169],{"class":3045},[2996,11211,3145],{"class":3023},[2996,11213,4887],{"class":3045},[2996,11215,3630],{"class":3023},[2996,11217,11218],{"class":2998,"line":3076},[2996,11219,3117],{"class":3023},[2996,11221,11222],{"class":2998,"line":3085},[2996,11223,3055],{"class":3023},[2996,11225,11226],{"class":2998,"line":3101},[2996,11227,11228],{"class":3002},"    // TODO: Додати LastName, Email\n",[2996,11230,11231],{"class":2998,"line":3114},[2996,11232,3055],{"class":3023},[2996,11234,11235,11237,11239,11241,11243,11245],{"class":2998,"line":3120},[2996,11236,3061],{"class":3009},[2996,11238,4382],{"class":3019},[2996,11240,4385],{"class":3045},[2996,11242,4388],{"class":3023},[2996,11244,4391],{"class":3009},[2996,11246,4394],{"class":3023},[2996,11248,11249],{"class":2998,"line":3125},[2996,11250,3055],{"class":3023},[2996,11252,11253,11255,11257],{"class":2998,"line":3157},[2996,11254,3061],{"class":3009},[2996,11256,11152],{"class":3064},[2996,11258,3067],{"class":3023},[2996,11260,11261],{"class":2998,"line":3162},[2996,11262,3073],{"class":3023},[2996,11264,11265,11267,11269,11271,11273,11275,11277,11279,11281],{"class":2998,"line":3168},[2996,11266,4415],{"class":3045},[2996,11268,3091],{"class":3023},[2996,11270,3094],{"class":3009},[2996,11272,4422],{"class":3019},[2996,11274,3136],{"class":3023},[2996,11276,3176],{"class":3045},[2996,11278,3145],{"class":3023},[2996,11280,4431],{"class":3045},[2996,11282,3630],{"class":3023},[2996,11284,11285],{"class":2998,"line":3181},[2996,11286,3117],{"class":3023},[2996,11288,11289],{"class":2998,"line":3186},[2996,11290,3055],{"class":3023},[2996,11292,11293,11295,11297,11299],{"class":2998,"line":3191},[2996,11294,3039],{"class":3009},[2996,11296,3130],{"class":3009},[2996,11298,4450],{"class":3064},[2996,11300,3067],{"class":3023},[2996,11302,11303],{"class":2998,"line":3215},[2996,11304,3073],{"class":3023},[2996,11306,11307,11309,11311,11313,11315,11317,11319,11321,11323,11326,11328,11330,11332,11334,11336,11338,11340],{"class":2998,"line":3220},[2996,11308,5341],{"class":3045},[2996,11310,3173],{"class":3023},[2996,11312,5346],{"class":3064},[2996,11314,3136],{"class":3023},[2996,11316,5351],{"class":3421},[2996,11318,5355],{"class":5354},[2996,11320,11070],{"class":3045},[2996,11322,5360],{"class":5354},[2996,11324,11325],{"class":5354}," {",[2996,11327,11076],{"class":3045},[2996,11329,5360],{"class":5354},[2996,11331,3145],{"class":3421},[2996,11333,5355],{"class":5354},[2996,11335,11081],{"class":3045},[2996,11337,5360],{"class":5354},[2996,11339,8864],{"class":3421},[2996,11341,3630],{"class":3023},[2996,11343,11344],{"class":2998,"line":3226},[2996,11345,3117],{"class":3023},[2996,11347,11348],{"class":2998,"line":3238},[2996,11349,3055],{"class":3023},[2996,11351,11352,11354,11356,11358],{"class":2998,"line":3243},[2996,11353,3039],{"class":3009},[2996,11355,4476],{"class":3009},[2996,11357,4479],{"class":3064},[2996,11359,3067],{"class":3023},[2996,11361,11362],{"class":2998,"line":3248},[2996,11363,3073],{"class":3023},[2996,11365,11366],{"class":2998,"line":3272},[2996,11367,11368],{"class":3002},"        // TODO: Перевірити, чи всі поля заповнені\n",[2996,11370,11371,11373,11375,11377,11379,11381,11383,11385],{"class":2998,"line":3277},[2996,11372,4496],{"class":4495},[2996,11374,4499],{"class":3023},[2996,11376,3727],{"class":3009},[2996,11378,3173],{"class":3023},[2996,11380,3732],{"class":3064},[2996,11382,3136],{"class":3023},[2996,11384,11070],{"class":3045},[2996,11386,11387],{"class":3023},") &&\n",[2996,11389,11390,11393,11395,11397,11399,11401,11403],{"class":2998,"line":3283},[2996,11391,11392],{"class":3023},"               !",[2996,11394,3727],{"class":3009},[2996,11396,3173],{"class":3023},[2996,11398,3732],{"class":3064},[2996,11400,3136],{"class":3023},[2996,11402,11076],{"class":3045},[2996,11404,11387],{"class":3023},[2996,11406,11407,11409,11411,11413,11415,11417,11419],{"class":2998,"line":3295},[2996,11408,11392],{"class":3023},[2996,11410,3727],{"class":3009},[2996,11412,3173],{"class":3023},[2996,11414,3732],{"class":3064},[2996,11416,3136],{"class":3023},[2996,11418,11081],{"class":3045},[2996,11420,3630],{"class":3023},[2996,11422,11423],{"class":2998,"line":3300},[2996,11424,3117],{"class":3023},[2996,11426,11427],{"class":2998,"line":4993},[2996,11428,3303],{"class":3023},[2965,11430,11431],{},[2980,11432,11433],{},"Тести:",[2987,11435,11437],{"className":2989,"code":11436,"language":2991,"meta":2992,"style":2992},"[Test]\npublic void SaveCommand_ShouldBeDisabled_WhenFieldsEmpty()\n{\n    var vm = new UserViewModel();\n    \n    Assert.IsFalse(vm.SaveCommand.CanExecute(null));\n}\n\n[Test]\npublic void SaveCommand_ShouldBeEnabled_WhenAllFieldsFilled()\n{\n    var vm = new UserViewModel\n    {\n        FirstName = \"Іван\",\n        LastName = \"Петренко\",\n        Email = \"ivan@example.com\"\n    };\n    \n    Assert.IsTrue(vm.SaveCommand.CanExecute(null));\n}\n\n[Test]\npublic void SaveCommand_ShouldExecute_WhenEnabled()\n{\n    var vm = new UserViewModel\n    {\n        FirstName = \"Іван\",\n        LastName = \"Петренко\",\n        Email = \"ivan@example.com\"\n    };\n    \n    // Не повинно кинути виняток\n    vm.SaveCommand.Execute(null);\n}\n",[2975,11438,11439,11447,11458,11462,11477,11481,11510,11514,11518,11526,11537,11541,11554,11558,11569,11581,11591,11596,11600,11627,11631,11635,11643,11654,11658,11670,11674,11684,11694,11702,11706,11710,11715,11734],{"__ignoreMap":2992},[2996,11440,11441,11443,11445],{"class":2998,"line":2999},[2996,11442,3558],{"class":3023},[2996,11444,3561],{"class":3019},[2996,11446,3564],{"class":3023},[2996,11448,11449,11451,11453,11456],{"class":2998,"line":3006},[2996,11450,3010],{"class":3009},[2996,11452,3130],{"class":3009},[2996,11454,11455],{"class":3064}," SaveCommand_ShouldBeDisabled_WhenFieldsEmpty",[2996,11457,3067],{"class":3023},[2996,11459,11460],{"class":2998,"line":3030},[2996,11461,3033],{"class":3023},[2996,11463,11464,11466,11469,11471,11473,11475],{"class":2998,"line":3036},[2996,11465,3589],{"class":3009},[2996,11467,11468],{"class":3045}," vm",[2996,11470,3091],{"class":3023},[2996,11472,3094],{"class":3009},[2996,11474,11152],{"class":3019},[2996,11476,3082],{"class":3023},[2996,11478,11479],{"class":2998,"line":3052},[2996,11480,3055],{"class":3023},[2996,11482,11483,11486,11488,11491,11493,11496,11498,11500,11502,11504,11506,11508],{"class":2998,"line":3058},[2996,11484,11485],{"class":3045},"    Assert",[2996,11487,3173],{"class":3023},[2996,11489,11490],{"class":3064},"IsFalse",[2996,11492,3136],{"class":3023},[2996,11494,11495],{"class":3045},"vm",[2996,11497,3173],{"class":3023},[2996,11499,6135],{"class":3045},[2996,11501,3173],{"class":3023},[2996,11503,4294],{"class":3064},[2996,11505,3136],{"class":3023},[2996,11507,3623],{"class":3009},[2996,11509,4827],{"class":3023},[2996,11511,11512],{"class":2998,"line":3070},[2996,11513,3303],{"class":3023},[2996,11515,11516],{"class":2998,"line":3076},[2996,11517,3439],{"emptyLinePlaceholder":3438},[2996,11519,11520,11522,11524],{"class":2998,"line":3085},[2996,11521,3558],{"class":3023},[2996,11523,3561],{"class":3019},[2996,11525,3564],{"class":3023},[2996,11527,11528,11530,11532,11535],{"class":2998,"line":3101},[2996,11529,3010],{"class":3009},[2996,11531,3130],{"class":3009},[2996,11533,11534],{"class":3064}," SaveCommand_ShouldBeEnabled_WhenAllFieldsFilled",[2996,11536,3067],{"class":3023},[2996,11538,11539],{"class":2998,"line":3114},[2996,11540,3033],{"class":3023},[2996,11542,11543,11545,11547,11549,11551],{"class":2998,"line":3120},[2996,11544,3589],{"class":3009},[2996,11546,11468],{"class":3045},[2996,11548,3091],{"class":3023},[2996,11550,3094],{"class":3009},[2996,11552,11553],{"class":3019}," UserViewModel\n",[2996,11555,11556],{"class":2998,"line":3125},[2996,11557,3073],{"class":3023},[2996,11559,11560,11563,11565,11567],{"class":2998,"line":3157},[2996,11561,11562],{"class":3045},"        FirstName",[2996,11564,3091],{"class":3023},[2996,11566,10353],{"class":3421},[2996,11568,9538],{"class":3023},[2996,11570,11571,11574,11576,11579],{"class":2998,"line":3162},[2996,11572,11573],{"class":3045},"        LastName",[2996,11575,3091],{"class":3023},[2996,11577,11578],{"class":3421},"\"Петренко\"",[2996,11580,9538],{"class":3023},[2996,11582,11583,11586,11588],{"class":2998,"line":3168},[2996,11584,11585],{"class":3045},"        Email",[2996,11587,3091],{"class":3023},[2996,11589,11590],{"class":3421},"\"ivan@example.com\"\n",[2996,11592,11593],{"class":2998,"line":3181},[2996,11594,11595],{"class":3023},"    };\n",[2996,11597,11598],{"class":2998,"line":3186},[2996,11599,3055],{"class":3023},[2996,11601,11602,11604,11606,11609,11611,11613,11615,11617,11619,11621,11623,11625],{"class":2998,"line":3191},[2996,11603,11485],{"class":3045},[2996,11605,3173],{"class":3023},[2996,11607,11608],{"class":3064},"IsTrue",[2996,11610,3136],{"class":3023},[2996,11612,11495],{"class":3045},[2996,11614,3173],{"class":3023},[2996,11616,6135],{"class":3045},[2996,11618,3173],{"class":3023},[2996,11620,4294],{"class":3064},[2996,11622,3136],{"class":3023},[2996,11624,3623],{"class":3009},[2996,11626,4827],{"class":3023},[2996,11628,11629],{"class":2998,"line":3215},[2996,11630,3303],{"class":3023},[2996,11632,11633],{"class":2998,"line":3220},[2996,11634,3439],{"emptyLinePlaceholder":3438},[2996,11636,11637,11639,11641],{"class":2998,"line":3226},[2996,11638,3558],{"class":3023},[2996,11640,3561],{"class":3019},[2996,11642,3564],{"class":3023},[2996,11644,11645,11647,11649,11652],{"class":2998,"line":3238},[2996,11646,3010],{"class":3009},[2996,11648,3130],{"class":3009},[2996,11650,11651],{"class":3064}," SaveCommand_ShouldExecute_WhenEnabled",[2996,11653,3067],{"class":3023},[2996,11655,11656],{"class":2998,"line":3243},[2996,11657,3033],{"class":3023},[2996,11659,11660,11662,11664,11666,11668],{"class":2998,"line":3248},[2996,11661,3589],{"class":3009},[2996,11663,11468],{"class":3045},[2996,11665,3091],{"class":3023},[2996,11667,3094],{"class":3009},[2996,11669,11553],{"class":3019},[2996,11671,11672],{"class":2998,"line":3272},[2996,11673,3073],{"class":3023},[2996,11675,11676,11678,11680,11682],{"class":2998,"line":3277},[2996,11677,11562],{"class":3045},[2996,11679,3091],{"class":3023},[2996,11681,10353],{"class":3421},[2996,11683,9538],{"class":3023},[2996,11685,11686,11688,11690,11692],{"class":2998,"line":3283},[2996,11687,11573],{"class":3045},[2996,11689,3091],{"class":3023},[2996,11691,11578],{"class":3421},[2996,11693,9538],{"class":3023},[2996,11695,11696,11698,11700],{"class":2998,"line":3295},[2996,11697,11585],{"class":3045},[2996,11699,3091],{"class":3023},[2996,11701,11590],{"class":3421},[2996,11703,11704],{"class":2998,"line":3300},[2996,11705,11595],{"class":3023},[2996,11707,11708],{"class":2998,"line":4993},[2996,11709,3055],{"class":3023},[2996,11711,11712],{"class":2998,"line":4998},[2996,11713,11714],{"class":3002},"    // Не повинно кинути виняток\n",[2996,11716,11717,11720,11722,11724,11726,11728,11730,11732],{"class":2998,"line":5005},[2996,11718,11719],{"class":3045},"    vm",[2996,11721,3173],{"class":3023},[2996,11723,6135],{"class":3045},[2996,11725,3173],{"class":3023},[2996,11727,4288],{"class":3064},[2996,11729,3136],{"class":3023},[2996,11731,3623],{"class":3009},[2996,11733,3630],{"class":3023},[2996,11735,11736],{"class":2998,"line":5010},[2996,11737,3303],{"class":3023},[3375,11739],{},[3385,11741,11743],{"id":11742},"рівень-2-crud-застосунок-з-commands","Рівень 2: CRUD-застосунок з Commands",[2965,11745,11746,11748],{},[2980,11747,4651],{}," Реалізувати повний CRUD (Create, Read, Update, Delete) через команди.",[2965,11750,11751],{},[2980,11752,11053],{},[2965,11754,11755],{},"Створіть застосунок для управління списком контактів:",[4282,11757,11758,11771,11811,11826],{},[3313,11759,11760,11763],{},[2980,11761,11762],{},"Model:",[3310,11764,11765],{},[3313,11766,11767,11770],{},[2975,11768,11769],{},"Contact"," (Id, Name, Phone, Email)",[3313,11772,11773,11775],{},[2980,11774,4353],{},[3310,11776,11777,11782,11787,11793,11799,11805],{},[3313,11778,11779],{},[2975,11780,11781],{},"ObservableCollection\u003CContact> Contacts",[3313,11783,11784],{},[2975,11785,11786],{},"Contact SelectedContact",[3313,11788,11789,11792],{},[2975,11790,11791],{},"AddCommand"," — додати новий контакт",[3313,11794,11795,11798],{},[2975,11796,11797],{},"EditCommand"," — редагувати вибраний контакт",[3313,11800,11801,11804],{},[2975,11802,11803],{},"DeleteCommand"," — видалити вибраний контакт",[3313,11806,11807,11810],{},[2975,11808,11809],{},"RefreshCommand"," — оновити список",[3313,11812,11813,11815],{},[2980,11814,11106],{},[3310,11816,11817,11820,11823],{},[3313,11818,11819],{},"ListBox зі списком контактів",[3313,11821,11822],{},"Форма для редагування (Name, Phone, Email)",[3313,11824,11825],{},"Кнопки: Додати, Зберегти, Видалити, Оновити",[3313,11827,11828,11831],{},[2980,11829,11830],{},"CanExecute:",[3310,11832,11833,11838,11842],{},[3313,11834,11835,11837],{},[2975,11836,11797],{}," — активна тільки якщо вибрано контакт",[3313,11839,11840,11837],{},[2975,11841,11803],{},[3313,11843,11844,11846],{},[2975,11845,11791],{}," — завжди активна",[2965,11848,11849],{},[2980,11850,11119],{},[3310,11852,11853,11856,11859,11862],{},[3313,11854,11855],{},"Всі CRUD операції працюють",[3313,11857,11858],{},"Кнопки автоматично активуються/деактивуються",[3313,11860,11861],{},"При виборі контакту — форма заповнюється його даними",[3313,11863,11133],{},[2965,11865,11866],{},[2980,11867,11868],{},"Підказка для ViewModel:",[2987,11870,11872],{"className":2989,"code":11871,"language":2991,"meta":2992,"style":2992},"public class ContactsViewModel : BaseViewModel\n{\n    public ObservableCollection\u003CContact> Contacts { get; set; }\n    \n    private Contact _selectedContact;\n    public Contact SelectedContact\n    {\n        get => _selectedContact;\n        set => SetProperty(ref _selectedContact, value);\n    }\n    \n    public ICommand AddCommand { get; }\n    public ICommand EditCommand { get; }\n    public ICommand DeleteCommand { get; }\n    public ICommand RefreshCommand { get; }\n    \n    public ContactsViewModel()\n    {\n        Contacts = new ObservableCollection\u003CContact>();\n        \n        AddCommand = new RelayCommand(Add);\n        EditCommand = new RelayCommand(Edit, CanEdit);\n        DeleteCommand = new RelayCommand(Delete, CanDelete);\n        RefreshCommand = new RelayCommand(Refresh);\n        \n        LoadData();\n    }\n    \n    private void Add()\n    {\n        var newContact = new Contact { Name = \"Новий контакт\" };\n        Contacts.Add(newContact);\n        SelectedContact = newContact;\n    }\n    \n    private void Edit()\n    {\n        // Логіка редагування\n    }\n    \n    private bool CanEdit()\n    {\n        return SelectedContact != null;\n    }\n    \n    private void Delete()\n    {\n        if (SelectedContact != null)\n        {\n            Contacts.Remove(SelectedContact);\n        }\n    }\n    \n    private bool CanDelete()\n    {\n        return SelectedContact != null;\n    }\n    \n    private void Refresh()\n    {\n        LoadData();\n    }\n    \n    private void LoadData()\n    {\n        // Завантаження даних\n    }\n}\n",[2975,11873,11874,11887,11891,11916,11920,11932,11941,11945,11956,11976,11980,11984,11999,12014,12028,12043,12047,12055,12059,12077,12081,12099,12122,12142,12159,12163,12170,12174,12178,12189,12193,12219,12234,12245,12249,12253,12264,12268,12273,12277,12281,12292,12296,12309,12313,12317,12327,12331,12346,12350,12365,12369,12373,12378,12389,12394,12407,12412,12417,12429,12434,12441,12446,12451,12462,12467,12473,12478],{"__ignoreMap":2992},[2996,11875,11876,11878,11880,11883,11885],{"class":2998,"line":2999},[2996,11877,3010],{"class":3009},[2996,11879,3016],{"class":3009},[2996,11881,11882],{"class":3019}," ContactsViewModel",[2996,11884,3024],{"class":3023},[2996,11886,4371],{"class":3019},[2996,11888,11889],{"class":2998,"line":3006},[2996,11890,3033],{"class":3023},[2996,11892,11893,11895,11897,11899,11901,11903,11906,11908,11910,11912,11914],{"class":2998,"line":3030},[2996,11894,3061],{"class":3009},[2996,11896,6623],{"class":3019},[2996,11898,3409],{"class":3023},[2996,11900,11769],{"class":3019},[2996,11902,4741],{"class":3023},[2996,11904,11905],{"class":3045},"Contacts",[2996,11907,4388],{"class":3023},[2996,11909,4391],{"class":3009},[2996,11911,6640],{"class":3023},[2996,11913,6643],{"class":3009},[2996,11915,4394],{"class":3023},[2996,11917,11918],{"class":2998,"line":3036},[2996,11919,3055],{"class":3023},[2996,11921,11922,11924,11927,11930],{"class":2998,"line":3052},[2996,11923,3039],{"class":3009},[2996,11925,11926],{"class":3019}," Contact",[2996,11928,11929],{"class":3045}," _selectedContact",[2996,11931,3049],{"class":3023},[2996,11933,11934,11936,11938],{"class":2998,"line":3058},[2996,11935,3061],{"class":3009},[2996,11937,11926],{"class":3019},[2996,11939,11940],{"class":3045}," SelectedContact\n",[2996,11942,11943],{"class":2998,"line":3070},[2996,11944,3073],{"class":3023},[2996,11946,11947,11949,11951,11954],{"class":2998,"line":3076},[2996,11948,5109],{"class":3009},[2996,11950,5112],{"class":3023},[2996,11952,11953],{"class":3045},"_selectedContact",[2996,11955,3049],{"class":3023},[2996,11957,11958,11960,11962,11964,11966,11968,11970,11972,11974],{"class":2998,"line":3085},[2996,11959,5122],{"class":3009},[2996,11961,5112],{"class":3023},[2996,11963,5127],{"class":3064},[2996,11965,3136],{"class":3023},[2996,11967,5132],{"class":3009},[2996,11969,11929],{"class":3045},[2996,11971,3145],{"class":3023},[2996,11973,4887],{"class":3045},[2996,11975,3630],{"class":3023},[2996,11977,11978],{"class":2998,"line":3101},[2996,11979,3117],{"class":3023},[2996,11981,11982],{"class":2998,"line":3114},[2996,11983,3055],{"class":3023},[2996,11985,11986,11988,11990,11993,11995,11997],{"class":2998,"line":3120},[2996,11987,3061],{"class":3009},[2996,11989,4382],{"class":3019},[2996,11991,11992],{"class":3045}," AddCommand",[2996,11994,4388],{"class":3023},[2996,11996,4391],{"class":3009},[2996,11998,4394],{"class":3023},[2996,12000,12001,12003,12005,12008,12010,12012],{"class":2998,"line":3125},[2996,12002,3061],{"class":3009},[2996,12004,4382],{"class":3019},[2996,12006,12007],{"class":3045}," EditCommand",[2996,12009,4388],{"class":3023},[2996,12011,4391],{"class":3009},[2996,12013,4394],{"class":3023},[2996,12015,12016,12018,12020,12022,12024,12026],{"class":2998,"line":3157},[2996,12017,3061],{"class":3009},[2996,12019,4382],{"class":3019},[2996,12021,6658],{"class":3045},[2996,12023,4388],{"class":3023},[2996,12025,4391],{"class":3009},[2996,12027,4394],{"class":3023},[2996,12029,12030,12032,12034,12037,12039,12041],{"class":2998,"line":3162},[2996,12031,3061],{"class":3009},[2996,12033,4382],{"class":3019},[2996,12035,12036],{"class":3045}," RefreshCommand",[2996,12038,4388],{"class":3023},[2996,12040,4391],{"class":3009},[2996,12042,4394],{"class":3023},[2996,12044,12045],{"class":2998,"line":3168},[2996,12046,3055],{"class":3023},[2996,12048,12049,12051,12053],{"class":2998,"line":3181},[2996,12050,3061],{"class":3009},[2996,12052,11882],{"class":3064},[2996,12054,3067],{"class":3023},[2996,12056,12057],{"class":2998,"line":3186},[2996,12058,3073],{"class":3023},[2996,12060,12061,12064,12066,12068,12070,12072,12074],{"class":2998,"line":3191},[2996,12062,12063],{"class":3045},"        Contacts",[2996,12065,3091],{"class":3023},[2996,12067,3094],{"class":3009},[2996,12069,6623],{"class":3019},[2996,12071,3409],{"class":3023},[2996,12073,11769],{"class":3019},[2996,12075,12076],{"class":3023},">();\n",[2996,12078,12079],{"class":2998,"line":3215},[2996,12080,5287],{"class":3023},[2996,12082,12083,12086,12088,12090,12092,12094,12097],{"class":2998,"line":3220},[2996,12084,12085],{"class":3045},"        AddCommand",[2996,12087,3091],{"class":3023},[2996,12089,3094],{"class":3009},[2996,12091,4422],{"class":3019},[2996,12093,3136],{"class":3023},[2996,12095,12096],{"class":3045},"Add",[2996,12098,3630],{"class":3023},[2996,12100,12101,12104,12106,12108,12110,12112,12115,12117,12120],{"class":2998,"line":3226},[2996,12102,12103],{"class":3045},"        EditCommand",[2996,12105,3091],{"class":3023},[2996,12107,3094],{"class":3009},[2996,12109,4422],{"class":3019},[2996,12111,3136],{"class":3023},[2996,12113,12114],{"class":3045},"Edit",[2996,12116,3145],{"class":3023},[2996,12118,12119],{"class":3045},"CanEdit",[2996,12121,3630],{"class":3023},[2996,12123,12124,12126,12128,12130,12132,12134,12136,12138,12140],{"class":2998,"line":3238},[2996,12125,6771],{"class":3045},[2996,12127,3091],{"class":3023},[2996,12129,3094],{"class":3009},[2996,12131,4422],{"class":3019},[2996,12133,3136],{"class":3023},[2996,12135,3233],{"class":3045},[2996,12137,3145],{"class":3023},[2996,12139,6791],{"class":3045},[2996,12141,3630],{"class":3023},[2996,12143,12144,12147,12149,12151,12153,12155,12157],{"class":2998,"line":3243},[2996,12145,12146],{"class":3045},"        RefreshCommand",[2996,12148,3091],{"class":3023},[2996,12150,3094],{"class":3009},[2996,12152,4422],{"class":3019},[2996,12154,3136],{"class":3023},[2996,12156,3290],{"class":3045},[2996,12158,3630],{"class":3023},[2996,12160,12161],{"class":2998,"line":3248},[2996,12162,5287],{"class":3023},[2996,12164,12165,12168],{"class":2998,"line":3272},[2996,12166,12167],{"class":3064},"        LoadData",[2996,12169,3082],{"class":3023},[2996,12171,12172],{"class":2998,"line":3277},[2996,12173,3117],{"class":3023},[2996,12175,12176],{"class":2998,"line":3283},[2996,12177,3055],{"class":3023},[2996,12179,12180,12182,12184,12187],{"class":2998,"line":3295},[2996,12181,3039],{"class":3009},[2996,12183,3130],{"class":3009},[2996,12185,12186],{"class":3064}," Add",[2996,12188,3067],{"class":3023},[2996,12190,12191],{"class":2998,"line":3300},[2996,12192,3073],{"class":3023},[2996,12194,12195,12198,12201,12203,12205,12207,12209,12211,12213,12216],{"class":2998,"line":4993},[2996,12196,12197],{"class":3009},"        var",[2996,12199,12200],{"class":3045}," newContact",[2996,12202,3091],{"class":3023},[2996,12204,3094],{"class":3009},[2996,12206,11926],{"class":3019},[2996,12208,4388],{"class":3023},[2996,12210,4510],{"class":3045},[2996,12212,3091],{"class":3023},[2996,12214,12215],{"class":3421},"\"Новий контакт\"",[2996,12217,12218],{"class":3023}," };\n",[2996,12220,12221,12223,12225,12227,12229,12232],{"class":2998,"line":4998},[2996,12222,12063],{"class":3045},[2996,12224,3173],{"class":3023},[2996,12226,12096],{"class":3064},[2996,12228,3136],{"class":3023},[2996,12230,12231],{"class":3045},"newContact",[2996,12233,3630],{"class":3023},[2996,12235,12236,12239,12241,12243],{"class":2998,"line":5005},[2996,12237,12238],{"class":3045},"        SelectedContact",[2996,12240,3091],{"class":3023},[2996,12242,12231],{"class":3045},[2996,12244,3049],{"class":3023},[2996,12246,12247],{"class":2998,"line":5010},[2996,12248,3117],{"class":3023},[2996,12250,12251],{"class":2998,"line":5385},[2996,12252,3055],{"class":3023},[2996,12254,12255,12257,12259,12262],{"class":2998,"line":5396},[2996,12256,3039],{"class":3009},[2996,12258,3130],{"class":3009},[2996,12260,12261],{"class":3064}," Edit",[2996,12263,3067],{"class":3023},[2996,12265,12266],{"class":2998,"line":5401},[2996,12267,3073],{"class":3023},[2996,12269,12270],{"class":2998,"line":5407},[2996,12271,12272],{"class":3002},"        // Логіка редагування\n",[2996,12274,12275],{"class":2998,"line":5438},[2996,12276,3117],{"class":3023},[2996,12278,12279],{"class":2998,"line":5443},[2996,12280,3055],{"class":3023},[2996,12282,12283,12285,12287,12290],{"class":2998,"line":5448},[2996,12284,3039],{"class":3009},[2996,12286,4476],{"class":3009},[2996,12288,12289],{"class":3064}," CanEdit",[2996,12291,3067],{"class":3023},[2996,12293,12294],{"class":2998,"line":5460},[2996,12295,3073],{"class":3023},[2996,12297,12298,12300,12303,12305,12307],{"class":2998,"line":5465},[2996,12299,4496],{"class":4495},[2996,12301,12302],{"class":3045}," SelectedContact",[2996,12304,6877],{"class":3023},[2996,12306,3623],{"class":3009},[2996,12308,3049],{"class":3023},[2996,12310,12311],{"class":2998,"line":5482},[2996,12312,3117],{"class":3023},[2996,12314,12315],{"class":2998,"line":5494},[2996,12316,3055],{"class":3023},[2996,12318,12319,12321,12323,12325],{"class":2998,"line":5499},[2996,12320,3039],{"class":3009},[2996,12322,3130],{"class":3009},[2996,12324,6810],{"class":3064},[2996,12326,3067],{"class":3023},[2996,12328,12329],{"class":2998,"line":8387},[2996,12330,3073],{"class":3023},[2996,12332,12333,12335,12337,12340,12342,12344],{"class":2998,"line":8392},[2996,12334,8286],{"class":4495},[2996,12336,6097],{"class":3023},[2996,12338,12339],{"class":3045},"SelectedContact",[2996,12341,6877],{"class":3023},[2996,12343,3623],{"class":3009},[2996,12345,3154],{"class":3023},[2996,12347,12348],{"class":2998,"line":8403},[2996,12349,6089],{"class":3023},[2996,12351,12352,12355,12357,12359,12361,12363],{"class":2998,"line":8408},[2996,12353,12354],{"class":3045},"            Contacts",[2996,12356,3173],{"class":3023},[2996,12358,6832],{"class":3064},[2996,12360,3136],{"class":3023},[2996,12362,12339],{"class":3045},[2996,12364,3630],{"class":3023},[2996,12366,12367],{"class":2998,"line":8419},[2996,12368,6152],{"class":3023},[2996,12370,12371],{"class":2998,"line":8424},[2996,12372,3117],{"class":3023},[2996,12374,12376],{"class":2998,"line":12375},53,[2996,12377,3055],{"class":3023},[2996,12379,12381,12383,12385,12387],{"class":2998,"line":12380},54,[2996,12382,3039],{"class":3009},[2996,12384,4476],{"class":3009},[2996,12386,6856],{"class":3064},[2996,12388,3067],{"class":3023},[2996,12390,12392],{"class":2998,"line":12391},55,[2996,12393,3073],{"class":3023},[2996,12395,12397,12399,12401,12403,12405],{"class":2998,"line":12396},56,[2996,12398,4496],{"class":4495},[2996,12400,12302],{"class":3045},[2996,12402,6877],{"class":3023},[2996,12404,3623],{"class":3009},[2996,12406,3049],{"class":3023},[2996,12408,12410],{"class":2998,"line":12409},57,[2996,12411,3117],{"class":3023},[2996,12413,12415],{"class":2998,"line":12414},58,[2996,12416,3055],{"class":3023},[2996,12418,12420,12422,12424,12427],{"class":2998,"line":12419},59,[2996,12421,3039],{"class":3009},[2996,12423,3130],{"class":3009},[2996,12425,12426],{"class":3064}," Refresh",[2996,12428,3067],{"class":3023},[2996,12430,12432],{"class":2998,"line":12431},60,[2996,12433,3073],{"class":3023},[2996,12435,12437,12439],{"class":2998,"line":12436},61,[2996,12438,12167],{"class":3064},[2996,12440,3082],{"class":3023},[2996,12442,12444],{"class":2998,"line":12443},62,[2996,12445,3117],{"class":3023},[2996,12447,12449],{"class":2998,"line":12448},63,[2996,12450,3055],{"class":3023},[2996,12452,12454,12456,12458,12460],{"class":2998,"line":12453},64,[2996,12455,3039],{"class":3009},[2996,12457,3130],{"class":3009},[2996,12459,7841],{"class":3064},[2996,12461,3067],{"class":3023},[2996,12463,12465],{"class":2998,"line":12464},65,[2996,12466,3073],{"class":3023},[2996,12468,12470],{"class":2998,"line":12469},66,[2996,12471,12472],{"class":3002},"        // Завантаження даних\n",[2996,12474,12476],{"class":2998,"line":12475},67,[2996,12477,3117],{"class":3023},[2996,12479,12481],{"class":2998,"line":12480},68,[2996,12482,3303],{"class":3023},[2965,12484,12485],{},[2980,12486,11433],{},[2987,12488,12490],{"className":2989,"code":12489,"language":2991,"meta":2992,"style":2992},"[Test]\npublic void AddCommand_ShouldAddNewContact()\n{\n    var vm = new ContactsViewModel();\n    int initialCount = vm.Contacts.Count;\n    \n    vm.AddCommand.Execute(null);\n    \n    Assert.AreEqual(initialCount + 1, vm.Contacts.Count);\n}\n\n[Test]\npublic void DeleteCommand_ShouldBeDisabled_WhenNoSelection()\n{\n    var vm = new ContactsViewModel();\n    vm.SelectedContact = null;\n    \n    Assert.IsFalse(vm.DeleteCommand.CanExecute(null));\n}\n\n[Test]\npublic void DeleteCommand_ShouldRemoveContact()\n{\n    var vm = new ContactsViewModel();\n    var contact = new Contact { Name = \"Test\" };\n    vm.Contacts.Add(contact);\n    vm.SelectedContact = contact;\n    \n    vm.DeleteCommand.Execute(null);\n    \n    Assert.IsFalse(vm.Contacts.Contains(contact));\n}\n",[2975,12491,12492,12500,12511,12515,12529,12552,12556,12574,12578,12612,12616,12620,12628,12639,12643,12657,12671,12675,12701,12705,12709,12717,12728,12732,12746,12770,12789,12803,12807,12825,12829,12856],{"__ignoreMap":2992},[2996,12493,12494,12496,12498],{"class":2998,"line":2999},[2996,12495,3558],{"class":3023},[2996,12497,3561],{"class":3019},[2996,12499,3564],{"class":3023},[2996,12501,12502,12504,12506,12509],{"class":2998,"line":3006},[2996,12503,3010],{"class":3009},[2996,12505,3130],{"class":3009},[2996,12507,12508],{"class":3064}," AddCommand_ShouldAddNewContact",[2996,12510,3067],{"class":3023},[2996,12512,12513],{"class":2998,"line":3030},[2996,12514,3033],{"class":3023},[2996,12516,12517,12519,12521,12523,12525,12527],{"class":2998,"line":3036},[2996,12518,3589],{"class":3009},[2996,12520,11468],{"class":3045},[2996,12522,3091],{"class":3023},[2996,12524,3094],{"class":3009},[2996,12526,11882],{"class":3019},[2996,12528,3082],{"class":3023},[2996,12530,12531,12534,12537,12539,12541,12543,12545,12547,12550],{"class":2998,"line":3052},[2996,12532,12533],{"class":3009},"    int",[2996,12535,12536],{"class":3045}," initialCount",[2996,12538,3091],{"class":3023},[2996,12540,11495],{"class":3045},[2996,12542,3173],{"class":3023},[2996,12544,11905],{"class":3045},[2996,12546,3173],{"class":3023},[2996,12548,12549],{"class":3045},"Count",[2996,12551,3049],{"class":3023},[2996,12553,12554],{"class":2998,"line":3058},[2996,12555,3055],{"class":3023},[2996,12557,12558,12560,12562,12564,12566,12568,12570,12572],{"class":2998,"line":3070},[2996,12559,11719],{"class":3045},[2996,12561,3173],{"class":3023},[2996,12563,11791],{"class":3045},[2996,12565,3173],{"class":3023},[2996,12567,4288],{"class":3064},[2996,12569,3136],{"class":3023},[2996,12571,3623],{"class":3009},[2996,12573,3630],{"class":3023},[2996,12575,12576],{"class":2998,"line":3076},[2996,12577,3055],{"class":3023},[2996,12579,12580,12582,12584,12587,12589,12592,12595,12598,12600,12602,12604,12606,12608,12610],{"class":2998,"line":3085},[2996,12581,11485],{"class":3045},[2996,12583,3173],{"class":3023},[2996,12585,12586],{"class":3064},"AreEqual",[2996,12588,3136],{"class":3023},[2996,12590,12591],{"class":3045},"initialCount",[2996,12593,12594],{"class":3023}," + ",[2996,12596,12597],{"class":5432},"1",[2996,12599,3145],{"class":3023},[2996,12601,11495],{"class":3045},[2996,12603,3173],{"class":3023},[2996,12605,11905],{"class":3045},[2996,12607,3173],{"class":3023},[2996,12609,12549],{"class":3045},[2996,12611,3630],{"class":3023},[2996,12613,12614],{"class":2998,"line":3101},[2996,12615,3303],{"class":3023},[2996,12617,12618],{"class":2998,"line":3114},[2996,12619,3439],{"emptyLinePlaceholder":3438},[2996,12621,12622,12624,12626],{"class":2998,"line":3120},[2996,12623,3558],{"class":3023},[2996,12625,3561],{"class":3019},[2996,12627,3564],{"class":3023},[2996,12629,12630,12632,12634,12637],{"class":2998,"line":3125},[2996,12631,3010],{"class":3009},[2996,12633,3130],{"class":3009},[2996,12635,12636],{"class":3064}," DeleteCommand_ShouldBeDisabled_WhenNoSelection",[2996,12638,3067],{"class":3023},[2996,12640,12641],{"class":2998,"line":3157},[2996,12642,3033],{"class":3023},[2996,12644,12645,12647,12649,12651,12653,12655],{"class":2998,"line":3162},[2996,12646,3589],{"class":3009},[2996,12648,11468],{"class":3045},[2996,12650,3091],{"class":3023},[2996,12652,3094],{"class":3009},[2996,12654,11882],{"class":3019},[2996,12656,3082],{"class":3023},[2996,12658,12659,12661,12663,12665,12667,12669],{"class":2998,"line":3168},[2996,12660,11719],{"class":3045},[2996,12662,3173],{"class":3023},[2996,12664,12339],{"class":3045},[2996,12666,3091],{"class":3023},[2996,12668,3623],{"class":3009},[2996,12670,3049],{"class":3023},[2996,12672,12673],{"class":2998,"line":3181},[2996,12674,3055],{"class":3023},[2996,12676,12677,12679,12681,12683,12685,12687,12689,12691,12693,12695,12697,12699],{"class":2998,"line":3186},[2996,12678,11485],{"class":3045},[2996,12680,3173],{"class":3023},[2996,12682,11490],{"class":3064},[2996,12684,3136],{"class":3023},[2996,12686,11495],{"class":3045},[2996,12688,3173],{"class":3023},[2996,12690,11803],{"class":3045},[2996,12692,3173],{"class":3023},[2996,12694,4294],{"class":3064},[2996,12696,3136],{"class":3023},[2996,12698,3623],{"class":3009},[2996,12700,4827],{"class":3023},[2996,12702,12703],{"class":2998,"line":3191},[2996,12704,3303],{"class":3023},[2996,12706,12707],{"class":2998,"line":3215},[2996,12708,3439],{"emptyLinePlaceholder":3438},[2996,12710,12711,12713,12715],{"class":2998,"line":3220},[2996,12712,3558],{"class":3023},[2996,12714,3561],{"class":3019},[2996,12716,3564],{"class":3023},[2996,12718,12719,12721,12723,12726],{"class":2998,"line":3226},[2996,12720,3010],{"class":3009},[2996,12722,3130],{"class":3009},[2996,12724,12725],{"class":3064}," DeleteCommand_ShouldRemoveContact",[2996,12727,3067],{"class":3023},[2996,12729,12730],{"class":2998,"line":3238},[2996,12731,3033],{"class":3023},[2996,12733,12734,12736,12738,12740,12742,12744],{"class":2998,"line":3243},[2996,12735,3589],{"class":3009},[2996,12737,11468],{"class":3045},[2996,12739,3091],{"class":3023},[2996,12741,3094],{"class":3009},[2996,12743,11882],{"class":3019},[2996,12745,3082],{"class":3023},[2996,12747,12748,12750,12753,12755,12757,12759,12761,12763,12765,12768],{"class":2998,"line":3248},[2996,12749,3589],{"class":3009},[2996,12751,12752],{"class":3045}," contact",[2996,12754,3091],{"class":3023},[2996,12756,3094],{"class":3009},[2996,12758,11926],{"class":3019},[2996,12760,4388],{"class":3023},[2996,12762,4510],{"class":3045},[2996,12764,3091],{"class":3023},[2996,12766,12767],{"class":3421},"\"Test\"",[2996,12769,12218],{"class":3023},[2996,12771,12772,12774,12776,12778,12780,12782,12784,12787],{"class":2998,"line":3272},[2996,12773,11719],{"class":3045},[2996,12775,3173],{"class":3023},[2996,12777,11905],{"class":3045},[2996,12779,3173],{"class":3023},[2996,12781,12096],{"class":3064},[2996,12783,3136],{"class":3023},[2996,12785,12786],{"class":3045},"contact",[2996,12788,3630],{"class":3023},[2996,12790,12791,12793,12795,12797,12799,12801],{"class":2998,"line":3277},[2996,12792,11719],{"class":3045},[2996,12794,3173],{"class":3023},[2996,12796,12339],{"class":3045},[2996,12798,3091],{"class":3023},[2996,12800,12786],{"class":3045},[2996,12802,3049],{"class":3023},[2996,12804,12805],{"class":2998,"line":3283},[2996,12806,3055],{"class":3023},[2996,12808,12809,12811,12813,12815,12817,12819,12821,12823],{"class":2998,"line":3295},[2996,12810,11719],{"class":3045},[2996,12812,3173],{"class":3023},[2996,12814,11803],{"class":3045},[2996,12816,3173],{"class":3023},[2996,12818,4288],{"class":3064},[2996,12820,3136],{"class":3023},[2996,12822,3623],{"class":3009},[2996,12824,3630],{"class":3023},[2996,12826,12827],{"class":2998,"line":3300},[2996,12828,3055],{"class":3023},[2996,12830,12831,12833,12835,12837,12839,12841,12843,12845,12847,12850,12852,12854],{"class":2998,"line":4993},[2996,12832,11485],{"class":3045},[2996,12834,3173],{"class":3023},[2996,12836,11490],{"class":3064},[2996,12838,3136],{"class":3023},[2996,12840,11495],{"class":3045},[2996,12842,3173],{"class":3023},[2996,12844,11905],{"class":3045},[2996,12846,3173],{"class":3023},[2996,12848,12849],{"class":3064},"Contains",[2996,12851,3136],{"class":3023},[2996,12853,12786],{"class":3045},[2996,12855,4827],{"class":3023},[2996,12857,12858],{"class":2998,"line":4998},[2996,12859,3303],{"class":3023},[3375,12861],{},[3385,12863,12865],{"id":12864},"рівень-3-asyncrelaycommand-з-progressbar-та-cancel","Рівень 3: AsyncRelayCommand з ProgressBar та Cancel",[2965,12867,12868,12870],{},[2980,12869,4651],{}," Реалізувати асинхронну команду з індикатором завантаження та можливістю скасування.",[2965,12872,12873],{},[2980,12874,11053],{},[2965,12876,12877],{},"Створіть застосунок для завантаження файлів:",[4282,12879,12880,12915,12934],{},[3313,12881,12882,12884],{},[2980,12883,4353],{},[3310,12885,12886,12892,12898,12903,12909],{},[3313,12887,12888,12891],{},[2975,12889,12890],{},"LoadDataCommand"," (AsyncRelayCommand) — завантажує дані з API",[3313,12893,12894,12897],{},[2975,12895,12896],{},"CancelCommand"," — скасовує завантаження",[3313,12899,12900,12902],{},[2975,12901,6241],{}," — чи відбувається завантаження",[3313,12904,12905,12908],{},[2975,12906,12907],{},"Progress"," — прогрес завантаження (0-100)",[3313,12910,12911,12914],{},[2975,12912,12913],{},"StatusMessage"," — повідомлення про статус",[3313,12916,12917,12920],{},[2980,12918,12919],{},"Функціональність:",[3310,12921,12922,12925,12928,12931],{},[3313,12923,12924],{},"Симуляція завантаження з прогресом (0% → 100%)",[3313,12926,12927],{},"Можливість скасувати завантаження",[3313,12929,12930],{},"Індикатор завантаження (ProgressBar)",[3313,12932,12933],{},"Обробка помилок",[3313,12935,12936,12938],{},[2980,12937,11106],{},[3310,12939,12940,12943,12946,12949],{},[3313,12941,12942],{},"Кнопка \"Завантажити\" (відключена під час завантаження)",[3313,12944,12945],{},"Кнопка \"Скасувати\" (активна тільки під час завантаження)",[3313,12947,12948],{},"ProgressBar з прогресом",[3313,12950,12951],{},"TextBlock зі статусом",[2965,12953,12954],{},[2980,12955,11119],{},[3310,12957,12958,12961,12964,12967,12970],{},[3313,12959,12960],{},"Завантаження відбувається асинхронно (UI не зависає)",[3313,12962,12963],{},"ProgressBar показує реальний прогрес",[3313,12965,12966],{},"Можна скасувати завантаження",[3313,12968,12969],{},"Обробляються помилки",[3313,12971,11133],{},[2965,12973,12974],{},[2980,12975,12976],{},"Підказка для AsyncRelayCommand з CancellationToken:",[2987,12978,12980],{"className":2989,"code":12979,"language":2991,"meta":2992,"style":2992},"public class AsyncRelayCommand : ICommand\n{\n    private readonly Func\u003CCancellationToken, Task> _execute;\n    private CancellationTokenSource _cts;\n    private bool _isExecuting;\n    \n    public AsyncRelayCommand(Func\u003CCancellationToken, Task> execute)\n    {\n        _execute = execute;\n    }\n    \n    public bool CanExecute(object parameter)\n    {\n        return !_isExecuting;\n    }\n    \n    public async void Execute(object parameter)\n    {\n        if (_isExecuting)\n            return;\n        \n        _isExecuting = true;\n        _cts = new CancellationTokenSource();\n        RaiseCanExecuteChanged();\n        \n        try\n        {\n            await _execute(_cts.Token);\n        }\n        catch (OperationCanceledException)\n        {\n            // Завантаження скасовано\n        }\n        finally\n        {\n            _isExecuting = false;\n            _cts = null;\n            RaiseCanExecuteChanged();\n        }\n    }\n    \n    public void Cancel()\n    {\n        _cts?.Cancel();\n    }\n    \n    // ... інші методи\n}\n",[2975,12981,12982,12994,12998,13021,13033,13043,13047,13071,13075,13085,13089,13093,13109,13113,13123,13127,13131,13149,13153,13163,13169,13173,13183,13196,13202,13206,13210,13214,13232,13236,13247,13251,13256,13260,13264,13268,13278,13289,13295,13299,13303,13307,13318,13322,13333,13337,13341,13346],{"__ignoreMap":2992},[2996,12983,12984,12986,12988,12990,12992],{"class":2998,"line":2999},[2996,12985,3010],{"class":3009},[2996,12987,3016],{"class":3009},[2996,12989,7998],{"class":3019},[2996,12991,3024],{"class":3023},[2996,12993,4705],{"class":3019},[2996,12995,12996],{"class":2998,"line":3006},[2996,12997,3033],{"class":3023},[2996,12999,13000,13002,13004,13006,13008,13011,13013,13015,13017,13019],{"class":2998,"line":3030},[2996,13001,3039],{"class":3009},[2996,13003,4716],{"class":3009},[2996,13005,4733],{"class":3019},[2996,13007,3409],{"class":3023},[2996,13009,13010],{"class":3019},"CancellationToken",[2996,13012,3145],{"class":3023},[2996,13014,8019],{"class":3019},[2996,13016,4741],{"class":3023},[2996,13018,6317],{"class":3045},[2996,13020,3049],{"class":3023},[2996,13022,13023,13025,13028,13031],{"class":2998,"line":3036},[2996,13024,3039],{"class":3009},[2996,13026,13027],{"class":3019}," CancellationTokenSource",[2996,13029,13030],{"class":3045}," _cts",[2996,13032,3049],{"class":3023},[2996,13034,13035,13037,13039,13041],{"class":2998,"line":3052},[2996,13036,3039],{"class":3009},[2996,13038,4476],{"class":3009},[2996,13040,8052],{"class":3045},[2996,13042,3049],{"class":3023},[2996,13044,13045],{"class":2998,"line":3058},[2996,13046,3055],{"class":3023},[2996,13048,13049,13051,13053,13055,13057,13059,13061,13063,13065,13067,13069],{"class":2998,"line":3070},[2996,13050,3061],{"class":3009},[2996,13052,7998],{"class":3064},[2996,13054,3136],{"class":3023},[2996,13056,4774],{"class":3019},[2996,13058,3409],{"class":3023},[2996,13060,13010],{"class":3019},[2996,13062,3145],{"class":3023},[2996,13064,8019],{"class":3019},[2996,13066,4741],{"class":3023},[2996,13068,4803],{"class":3045},[2996,13070,3154],{"class":3023},[2996,13072,13073],{"class":2998,"line":3076},[2996,13074,3073],{"class":3023},[2996,13076,13077,13079,13081,13083],{"class":2998,"line":3085},[2996,13078,4798],{"class":3045},[2996,13080,3091],{"class":3023},[2996,13082,4803],{"class":3045},[2996,13084,3049],{"class":3023},[2996,13086,13087],{"class":2998,"line":3101},[2996,13088,3117],{"class":3023},[2996,13090,13091],{"class":2998,"line":3114},[2996,13092,3055],{"class":3023},[2996,13094,13095,13097,13099,13101,13103,13105,13107],{"class":2998,"line":3120},[2996,13096,3061],{"class":3009},[2996,13098,4476],{"class":3009},[2996,13100,4094],{"class":3064},[2996,13102,3136],{"class":3023},[2996,13104,3139],{"class":3009},[2996,13106,4937],{"class":3045},[2996,13108,3154],{"class":3023},[2996,13110,13111],{"class":2998,"line":3125},[2996,13112,3073],{"class":3023},[2996,13114,13115,13117,13119,13121],{"class":2998,"line":3157},[2996,13116,4496],{"class":4495},[2996,13118,4499],{"class":3023},[2996,13120,8234],{"class":3045},[2996,13122,3049],{"class":3023},[2996,13124,13125],{"class":2998,"line":3162},[2996,13126,3117],{"class":3023},[2996,13128,13129],{"class":2998,"line":3168},[2996,13130,3055],{"class":3023},[2996,13132,13133,13135,13137,13139,13141,13143,13145,13147],{"class":2998,"line":3181},[2996,13134,3061],{"class":3009},[2996,13136,8265],{"class":3009},[2996,13138,3130],{"class":3009},[2996,13140,4065],{"class":3064},[2996,13142,3136],{"class":3023},[2996,13144,3139],{"class":3009},[2996,13146,4937],{"class":3045},[2996,13148,3154],{"class":3023},[2996,13150,13151],{"class":2998,"line":3186},[2996,13152,3073],{"class":3023},[2996,13154,13155,13157,13159,13161],{"class":2998,"line":3191},[2996,13156,8286],{"class":4495},[2996,13158,6097],{"class":3023},[2996,13160,8234],{"class":3045},[2996,13162,3154],{"class":3023},[2996,13164,13165,13167],{"class":2998,"line":3215},[2996,13166,8297],{"class":4495},[2996,13168,3049],{"class":3023},[2996,13170,13171],{"class":2998,"line":3220},[2996,13172,5287],{"class":3023},[2996,13174,13175,13177,13179,13181],{"class":2998,"line":3226},[2996,13176,8308],{"class":3045},[2996,13178,3091],{"class":3023},[2996,13180,8313],{"class":3009},[2996,13182,3049],{"class":3023},[2996,13184,13185,13188,13190,13192,13194],{"class":2998,"line":3238},[2996,13186,13187],{"class":3045},"        _cts",[2996,13189,3091],{"class":3023},[2996,13191,3094],{"class":3009},[2996,13193,13027],{"class":3019},[2996,13195,3082],{"class":3023},[2996,13197,13198,13200],{"class":2998,"line":3243},[2996,13199,8320],{"class":3064},[2996,13201,3082],{"class":3023},[2996,13203,13204],{"class":2998,"line":3248},[2996,13205,5287],{"class":3023},[2996,13207,13208],{"class":2998,"line":3272},[2996,13209,8331],{"class":4495},[2996,13211,13212],{"class":2998,"line":3277},[2996,13213,6089],{"class":3023},[2996,13215,13216,13218,13220,13222,13225,13227,13230],{"class":2998,"line":3283},[2996,13217,8340],{"class":3009},[2996,13219,4722],{"class":3064},[2996,13221,3136],{"class":3023},[2996,13223,13224],{"class":3045},"_cts",[2996,13226,3173],{"class":3023},[2996,13228,13229],{"class":3045},"Token",[2996,13231,3630],{"class":3023},[2996,13233,13234],{"class":2998,"line":3295},[2996,13235,6152],{"class":3023},[2996,13237,13238,13240,13242,13245],{"class":2998,"line":3300},[2996,13239,8816],{"class":4495},[2996,13241,6097],{"class":3023},[2996,13243,13244],{"class":3019},"OperationCanceledException",[2996,13246,3154],{"class":3023},[2996,13248,13249],{"class":2998,"line":4993},[2996,13250,6089],{"class":3023},[2996,13252,13253],{"class":2998,"line":4998},[2996,13254,13255],{"class":3002},"            // Завантаження скасовано\n",[2996,13257,13258],{"class":2998,"line":5005},[2996,13259,6152],{"class":3023},[2996,13261,13262],{"class":2998,"line":5010},[2996,13263,8353],{"class":4495},[2996,13265,13266],{"class":2998,"line":5385},[2996,13267,6089],{"class":3023},[2996,13269,13270,13272,13274,13276],{"class":2998,"line":5396},[2996,13271,8362],{"class":3045},[2996,13273,3091],{"class":3023},[2996,13275,8367],{"class":3009},[2996,13277,3049],{"class":3023},[2996,13279,13280,13283,13285,13287],{"class":2998,"line":5401},[2996,13281,13282],{"class":3045},"            _cts",[2996,13284,3091],{"class":3023},[2996,13286,3623],{"class":3009},[2996,13288,3049],{"class":3023},[2996,13290,13291,13293],{"class":2998,"line":5407},[2996,13292,8374],{"class":3064},[2996,13294,3082],{"class":3023},[2996,13296,13297],{"class":2998,"line":5438},[2996,13298,6152],{"class":3023},[2996,13300,13301],{"class":2998,"line":5443},[2996,13302,3117],{"class":3023},[2996,13304,13305],{"class":2998,"line":5448},[2996,13306,3055],{"class":3023},[2996,13308,13309,13311,13313,13316],{"class":2998,"line":5460},[2996,13310,3061],{"class":3009},[2996,13312,3130],{"class":3009},[2996,13314,13315],{"class":3064}," Cancel",[2996,13317,3067],{"class":3023},[2996,13319,13320],{"class":2998,"line":5465},[2996,13321,3073],{"class":3023},[2996,13323,13324,13326,13328,13331],{"class":2998,"line":5482},[2996,13325,13187],{"class":3045},[2996,13327,9442],{"class":3023},[2996,13329,13330],{"class":3064},"Cancel",[2996,13332,3082],{"class":3023},[2996,13334,13335],{"class":2998,"line":5494},[2996,13336,3117],{"class":3023},[2996,13338,13339],{"class":2998,"line":5499},[2996,13340,3055],{"class":3023},[2996,13342,13343],{"class":2998,"line":8387},[2996,13344,13345],{"class":3002},"    // ... інші методи\n",[2996,13347,13348],{"class":2998,"line":8392},[2996,13349,3303],{"class":3023},[2965,13351,13352],{},[2980,13353,11868],{},[2987,13355,13357],{"className":2989,"code":13356,"language":2991,"meta":2992,"style":2992},"public class DownloadViewModel : BaseViewModel\n{\n    private bool _isBusy;\n    public bool IsBusy\n    {\n        get => _isBusy;\n        set => SetProperty(ref _isBusy, value);\n    }\n    \n    private int _progress;\n    public int Progress\n    {\n        get => _progress;\n        set => SetProperty(ref _progress, value);\n    }\n    \n    private string _statusMessage;\n    public string StatusMessage\n    {\n        get => _statusMessage;\n        set => SetProperty(ref _statusMessage, value);\n    }\n    \n    public AsyncRelayCommand LoadDataCommand { get; }\n    public ICommand CancelCommand { get; }\n    \n    public DownloadViewModel()\n    {\n        LoadDataCommand = new AsyncRelayCommand(LoadDataAsync);\n        CancelCommand = new RelayCommand(Cancel, CanCancel);\n    }\n    \n    private async Task LoadDataAsync(CancellationToken cancellationToken)\n    {\n        IsBusy = true;\n        Progress = 0;\n        StatusMessage = \"Завантаження...\";\n        \n        try\n        {\n            for (int i = 0; i \u003C= 100; i += 10)\n            {\n                // Перевірка скасування\n                cancellationToken.ThrowIfCancellationRequested();\n                \n                // Симуляція завантаження\n                await Task.Delay(500, cancellationToken);\n                \n                Progress = i;\n                StatusMessage = $\"Завантажено {i}%\";\n            }\n            \n            StatusMessage = \"Завантаження завершено!\";\n        }\n        catch (OperationCanceledException)\n        {\n            StatusMessage = \"Завантаження скасовано\";\n            Progress = 0;\n        }\n        finally\n        {\n            IsBusy = false;\n        }\n    }\n    \n    private void Cancel()\n    {\n        LoadDataCommand.Cancel();\n    }\n    \n    private bool CanCancel()\n    {\n        return IsBusy;\n    }\n}\n",[2975,13358,13359,13372,13376,13386,13394,13398,13408,13428,13432,13436,13447,13456,13460,13471,13491,13495,13499,13510,13519,13523,13534,13554,13558,13562,13576,13591,13595,13603,13607,13623,13645,13649,13653,13672,13676,13686,13697,13708,13712,13716,13720,13759,13763,13768,13780,13784,13789,13812,13816,13827,13848,13852,13856,13868,13872,13882,13886,13897,13908,13912,13916,13920,13930,13934,13938,13942,13952,13956,13966,13971,13976,13988,13993,14003,14008],{"__ignoreMap":2992},[2996,13360,13361,13363,13365,13368,13370],{"class":2998,"line":2999},[2996,13362,3010],{"class":3009},[2996,13364,3016],{"class":3009},[2996,13366,13367],{"class":3019}," DownloadViewModel",[2996,13369,3024],{"class":3023},[2996,13371,4371],{"class":3019},[2996,13373,13374],{"class":2998,"line":3006},[2996,13375,3033],{"class":3023},[2996,13377,13378,13380,13382,13384],{"class":2998,"line":3030},[2996,13379,3039],{"class":3009},[2996,13381,4476],{"class":3009},[2996,13383,6053],{"class":3045},[2996,13385,3049],{"class":3023},[2996,13387,13388,13390,13392],{"class":2998,"line":3036},[2996,13389,3061],{"class":3009},[2996,13391,4476],{"class":3009},[2996,13393,6064],{"class":3045},[2996,13395,13396],{"class":2998,"line":3052},[2996,13397,3073],{"class":3023},[2996,13399,13400,13402,13404,13406],{"class":2998,"line":3058},[2996,13401,5109],{"class":3009},[2996,13403,5112],{"class":3023},[2996,13405,6077],{"class":3045},[2996,13407,3049],{"class":3023},[2996,13409,13410,13412,13414,13416,13418,13420,13422,13424,13426],{"class":2998,"line":3070},[2996,13411,5122],{"class":3009},[2996,13413,5112],{"class":3023},[2996,13415,5127],{"class":3064},[2996,13417,3136],{"class":3023},[2996,13419,5132],{"class":3009},[2996,13421,6053],{"class":3045},[2996,13423,3145],{"class":3023},[2996,13425,4887],{"class":3045},[2996,13427,3630],{"class":3023},[2996,13429,13430],{"class":2998,"line":3076},[2996,13431,3117],{"class":3023},[2996,13433,13434],{"class":2998,"line":3085},[2996,13435,3055],{"class":3023},[2996,13437,13438,13440,13442,13445],{"class":2998,"line":3101},[2996,13439,3039],{"class":3009},[2996,13441,5155],{"class":3009},[2996,13443,13444],{"class":3045}," _progress",[2996,13446,3049],{"class":3023},[2996,13448,13449,13451,13453],{"class":2998,"line":3114},[2996,13450,3061],{"class":3009},[2996,13452,5155],{"class":3009},[2996,13454,13455],{"class":3045}," Progress\n",[2996,13457,13458],{"class":2998,"line":3120},[2996,13459,3073],{"class":3023},[2996,13461,13462,13464,13466,13469],{"class":2998,"line":3125},[2996,13463,5109],{"class":3009},[2996,13465,5112],{"class":3023},[2996,13467,13468],{"class":3045},"_progress",[2996,13470,3049],{"class":3023},[2996,13472,13473,13475,13477,13479,13481,13483,13485,13487,13489],{"class":2998,"line":3157},[2996,13474,5122],{"class":3009},[2996,13476,5112],{"class":3023},[2996,13478,5127],{"class":3064},[2996,13480,3136],{"class":3023},[2996,13482,5132],{"class":3009},[2996,13484,13444],{"class":3045},[2996,13486,3145],{"class":3023},[2996,13488,4887],{"class":3045},[2996,13490,3630],{"class":3023},[2996,13492,13493],{"class":2998,"line":3162},[2996,13494,3117],{"class":3023},[2996,13496,13497],{"class":2998,"line":3168},[2996,13498,3055],{"class":3023},[2996,13500,13501,13503,13505,13508],{"class":2998,"line":3181},[2996,13502,3039],{"class":3009},[2996,13504,5086],{"class":3009},[2996,13506,13507],{"class":3045}," _statusMessage",[2996,13509,3049],{"class":3023},[2996,13511,13512,13514,13516],{"class":2998,"line":3186},[2996,13513,3061],{"class":3009},[2996,13515,5086],{"class":3009},[2996,13517,13518],{"class":3045}," StatusMessage\n",[2996,13520,13521],{"class":2998,"line":3191},[2996,13522,3073],{"class":3023},[2996,13524,13525,13527,13529,13532],{"class":2998,"line":3215},[2996,13526,5109],{"class":3009},[2996,13528,5112],{"class":3023},[2996,13530,13531],{"class":3045},"_statusMessage",[2996,13533,3049],{"class":3023},[2996,13535,13536,13538,13540,13542,13544,13546,13548,13550,13552],{"class":2998,"line":3220},[2996,13537,5122],{"class":3009},[2996,13539,5112],{"class":3023},[2996,13541,5127],{"class":3064},[2996,13543,3136],{"class":3023},[2996,13545,5132],{"class":3009},[2996,13547,13507],{"class":3045},[2996,13549,3145],{"class":3023},[2996,13551,4887],{"class":3045},[2996,13553,3630],{"class":3023},[2996,13555,13556],{"class":2998,"line":3226},[2996,13557,3117],{"class":3023},[2996,13559,13560],{"class":2998,"line":3238},[2996,13561,3055],{"class":3023},[2996,13563,13564,13566,13568,13570,13572,13574],{"class":2998,"line":3243},[2996,13565,3061],{"class":3009},[2996,13567,7998],{"class":3019},[2996,13569,7784],{"class":3045},[2996,13571,4388],{"class":3023},[2996,13573,4391],{"class":3009},[2996,13575,4394],{"class":3023},[2996,13577,13578,13580,13582,13585,13587,13589],{"class":2998,"line":3248},[2996,13579,3061],{"class":3009},[2996,13581,4382],{"class":3019},[2996,13583,13584],{"class":3045}," CancelCommand",[2996,13586,4388],{"class":3023},[2996,13588,4391],{"class":3009},[2996,13590,4394],{"class":3023},[2996,13592,13593],{"class":2998,"line":3272},[2996,13594,3055],{"class":3023},[2996,13596,13597,13599,13601],{"class":2998,"line":3277},[2996,13598,3061],{"class":3009},[2996,13600,13367],{"class":3064},[2996,13602,3067],{"class":3023},[2996,13604,13605],{"class":2998,"line":3283},[2996,13606,3073],{"class":3023},[2996,13608,13609,13611,13613,13615,13617,13619,13621],{"class":2998,"line":3295},[2996,13610,8675],{"class":3045},[2996,13612,3091],{"class":3023},[2996,13614,3094],{"class":3009},[2996,13616,7998],{"class":3019},[2996,13618,3136],{"class":3023},[2996,13620,8686],{"class":3045},[2996,13622,3630],{"class":3023},[2996,13624,13625,13628,13630,13632,13634,13636,13638,13640,13643],{"class":2998,"line":3300},[2996,13626,13627],{"class":3045},"        CancelCommand",[2996,13629,3091],{"class":3023},[2996,13631,3094],{"class":3009},[2996,13633,4422],{"class":3019},[2996,13635,3136],{"class":3023},[2996,13637,13330],{"class":3045},[2996,13639,3145],{"class":3023},[2996,13641,13642],{"class":3045},"CanCancel",[2996,13644,3630],{"class":3023},[2996,13646,13647],{"class":2998,"line":4993},[2996,13648,3117],{"class":3023},[2996,13650,13651],{"class":2998,"line":4998},[2996,13652,3055],{"class":3023},[2996,13654,13655,13657,13659,13661,13663,13665,13667,13670],{"class":2998,"line":5005},[2996,13656,3039],{"class":3009},[2996,13658,8265],{"class":3009},[2996,13660,8705],{"class":3019},[2996,13662,8708],{"class":3064},[2996,13664,3136],{"class":3023},[2996,13666,13010],{"class":3019},[2996,13668,13669],{"class":3045}," cancellationToken",[2996,13671,3154],{"class":3023},[2996,13673,13674],{"class":2998,"line":5010},[2996,13675,3073],{"class":3023},[2996,13677,13678,13680,13682,13684],{"class":2998,"line":5385},[2996,13679,8719],{"class":3045},[2996,13681,3091],{"class":3023},[2996,13683,8313],{"class":3009},[2996,13685,3049],{"class":3023},[2996,13687,13688,13691,13693,13695],{"class":2998,"line":5396},[2996,13689,13690],{"class":3045},"        Progress",[2996,13692,3091],{"class":3023},[2996,13694,5433],{"class":5432},[2996,13696,3049],{"class":3023},[2996,13698,13699,13702,13704,13706],{"class":2998,"line":5401},[2996,13700,13701],{"class":3045},"        StatusMessage",[2996,13703,3091],{"class":3023},[2996,13705,9093],{"class":3421},[2996,13707,3049],{"class":3023},[2996,13709,13710],{"class":2998,"line":5407},[2996,13711,5287],{"class":3023},[2996,13713,13714],{"class":2998,"line":5438},[2996,13715,8331],{"class":4495},[2996,13717,13718],{"class":2998,"line":5443},[2996,13719,6089],{"class":3023},[2996,13721,13722,13725,13727,13730,13733,13735,13737,13739,13742,13745,13748,13750,13752,13754,13757],{"class":2998,"line":5448},[2996,13723,13724],{"class":4495},"            for",[2996,13726,6097],{"class":3023},[2996,13728,13729],{"class":3009},"int",[2996,13731,13732],{"class":3045}," i",[2996,13734,3091],{"class":3023},[2996,13736,5433],{"class":5432},[2996,13738,6640],{"class":3023},[2996,13740,13741],{"class":3045},"i",[2996,13743,13744],{"class":3023}," \u003C= ",[2996,13746,13747],{"class":5432},"100",[2996,13749,6640],{"class":3023},[2996,13751,13741],{"class":3045},[2996,13753,4884],{"class":3023},[2996,13755,13756],{"class":5432},"10",[2996,13758,3154],{"class":3023},[2996,13760,13761],{"class":2998,"line":5460},[2996,13762,6117],{"class":3023},[2996,13764,13765],{"class":2998,"line":5465},[2996,13766,13767],{"class":3002},"                // Перевірка скасування\n",[2996,13769,13770,13773,13775,13778],{"class":2998,"line":5482},[2996,13771,13772],{"class":3045},"                cancellationToken",[2996,13774,3173],{"class":3023},[2996,13776,13777],{"class":3064},"ThrowIfCancellationRequested",[2996,13779,3082],{"class":3023},[2996,13781,13782],{"class":2998,"line":5494},[2996,13783,6976],{"class":3023},[2996,13785,13786],{"class":2998,"line":5499},[2996,13787,13788],{"class":3002},"                // Симуляція завантаження\n",[2996,13790,13791,13794,13796,13798,13800,13802,13805,13807,13810],{"class":2998,"line":8387},[2996,13792,13793],{"class":3009},"                await",[2996,13795,8705],{"class":3045},[2996,13797,3173],{"class":3023},[2996,13799,8753],{"class":3064},[2996,13801,3136],{"class":3023},[2996,13803,13804],{"class":5432},"500",[2996,13806,3145],{"class":3023},[2996,13808,13809],{"class":3045},"cancellationToken",[2996,13811,3630],{"class":3023},[2996,13813,13814],{"class":2998,"line":8392},[2996,13815,6976],{"class":3023},[2996,13817,13818,13821,13823,13825],{"class":2998,"line":8403},[2996,13819,13820],{"class":3045},"                Progress",[2996,13822,3091],{"class":3023},[2996,13824,13741],{"class":3045},[2996,13826,3049],{"class":3023},[2996,13828,13829,13832,13834,13837,13839,13841,13843,13846],{"class":2998,"line":8408},[2996,13830,13831],{"class":3045},"                StatusMessage",[2996,13833,3091],{"class":3023},[2996,13835,13836],{"class":3421},"$\"Завантажено ",[2996,13838,5355],{"class":5354},[2996,13840,13741],{"class":3045},[2996,13842,5360],{"class":5354},[2996,13844,13845],{"class":3421},"%\"",[2996,13847,3049],{"class":3023},[2996,13849,13850],{"class":2998,"line":8419},[2996,13851,6147],{"class":3023},[2996,13853,13854],{"class":2998,"line":8424},[2996,13855,8765],{"class":3023},[2996,13857,13858,13861,13863,13866],{"class":2998,"line":12375},[2996,13859,13860],{"class":3045},"            StatusMessage",[2996,13862,3091],{"class":3023},[2996,13864,13865],{"class":3421},"\"Завантаження завершено!\"",[2996,13867,3049],{"class":3023},[2996,13869,13870],{"class":2998,"line":12380},[2996,13871,6152],{"class":3023},[2996,13873,13874,13876,13878,13880],{"class":2998,"line":12391},[2996,13875,8816],{"class":4495},[2996,13877,6097],{"class":3023},[2996,13879,13244],{"class":3019},[2996,13881,3154],{"class":3023},[2996,13883,13884],{"class":2998,"line":12396},[2996,13885,6089],{"class":3023},[2996,13887,13888,13890,13892,13895],{"class":2998,"line":12409},[2996,13889,13860],{"class":3045},[2996,13891,3091],{"class":3023},[2996,13893,13894],{"class":3421},"\"Завантаження скасовано\"",[2996,13896,3049],{"class":3023},[2996,13898,13899,13902,13904,13906],{"class":2998,"line":12414},[2996,13900,13901],{"class":3045},"            Progress",[2996,13903,3091],{"class":3023},[2996,13905,5433],{"class":5432},[2996,13907,3049],{"class":3023},[2996,13909,13910],{"class":2998,"line":12419},[2996,13911,6152],{"class":3023},[2996,13913,13914],{"class":2998,"line":12431},[2996,13915,8353],{"class":4495},[2996,13917,13918],{"class":2998,"line":12436},[2996,13919,6089],{"class":3023},[2996,13921,13922,13924,13926,13928],{"class":2998,"line":12443},[2996,13923,8883],{"class":3045},[2996,13925,3091],{"class":3023},[2996,13927,8367],{"class":3009},[2996,13929,3049],{"class":3023},[2996,13931,13932],{"class":2998,"line":12448},[2996,13933,6152],{"class":3023},[2996,13935,13936],{"class":2998,"line":12453},[2996,13937,3117],{"class":3023},[2996,13939,13940],{"class":2998,"line":12464},[2996,13941,3055],{"class":3023},[2996,13943,13944,13946,13948,13950],{"class":2998,"line":12469},[2996,13945,3039],{"class":3009},[2996,13947,3130],{"class":3009},[2996,13949,13315],{"class":3064},[2996,13951,3067],{"class":3023},[2996,13953,13954],{"class":2998,"line":12475},[2996,13955,3073],{"class":3023},[2996,13957,13958,13960,13962,13964],{"class":2998,"line":12480},[2996,13959,8675],{"class":3045},[2996,13961,3173],{"class":3023},[2996,13963,13330],{"class":3064},[2996,13965,3082],{"class":3023},[2996,13967,13969],{"class":2998,"line":13968},69,[2996,13970,3117],{"class":3023},[2996,13972,13974],{"class":2998,"line":13973},70,[2996,13975,3055],{"class":3023},[2996,13977,13979,13981,13983,13986],{"class":2998,"line":13978},71,[2996,13980,3039],{"class":3009},[2996,13982,4476],{"class":3009},[2996,13984,13985],{"class":3064}," CanCancel",[2996,13987,3067],{"class":3023},[2996,13989,13991],{"class":2998,"line":13990},72,[2996,13992,3073],{"class":3023},[2996,13994,13996,13998,14001],{"class":2998,"line":13995},73,[2996,13997,4496],{"class":4495},[2996,13999,14000],{"class":3045}," IsBusy",[2996,14002,3049],{"class":3023},[2996,14004,14006],{"class":2998,"line":14005},74,[2996,14007,3117],{"class":3023},[2996,14009,14011],{"class":2998,"line":14010},75,[2996,14012,3303],{"class":3023},[2965,14014,14015],{},[2980,14016,11433],{},[2987,14018,14020],{"className":2989,"code":14019,"language":2991,"meta":2992,"style":2992},"[Test]\npublic async Task LoadDataCommand_ShouldUpdateProgress()\n{\n    var vm = new DownloadViewModel();\n    \n    vm.LoadDataCommand.Execute(null);\n    \n    await Task.Delay(1000);\n    \n    Assert.IsTrue(vm.Progress > 0);\n}\n\n[Test]\npublic async Task CancelCommand_ShouldCancelLoading()\n{\n    var vm = new DownloadViewModel();\n    \n    vm.LoadDataCommand.Execute(null);\n    await Task.Delay(500);\n    \n    vm.CancelCommand.Execute(null);\n    await Task.Delay(500);\n    \n    Assert.IsFalse(vm.IsBusy);\n    Assert.IsTrue(vm.StatusMessage.Contains(\"скасовано\"));\n}\n",[2975,14021,14022,14030,14043,14047,14061,14065,14083,14087,14104,14108,14130,14134,14138,14146,14159,14163,14177,14181,14199,14215,14219,14237,14253,14257,14275,14302],{"__ignoreMap":2992},[2996,14023,14024,14026,14028],{"class":2998,"line":2999},[2996,14025,3558],{"class":3023},[2996,14027,3561],{"class":3019},[2996,14029,3564],{"class":3023},[2996,14031,14032,14034,14036,14038,14041],{"class":2998,"line":3006},[2996,14033,3010],{"class":3009},[2996,14035,8265],{"class":3009},[2996,14037,8705],{"class":3019},[2996,14039,14040],{"class":3064}," 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CancelCommand_ShouldCancelLoading",[2996,14158,3067],{"class":3023},[2996,14160,14161],{"class":2998,"line":3162},[2996,14162,3033],{"class":3023},[2996,14164,14165,14167,14169,14171,14173,14175],{"class":2998,"line":3168},[2996,14166,3589],{"class":3009},[2996,14168,11468],{"class":3045},[2996,14170,3091],{"class":3023},[2996,14172,3094],{"class":3009},[2996,14174,13367],{"class":3019},[2996,14176,3082],{"class":3023},[2996,14178,14179],{"class":2998,"line":3181},[2996,14180,3055],{"class":3023},[2996,14182,14183,14185,14187,14189,14191,14193,14195,14197],{"class":2998,"line":3186},[2996,14184,11719],{"class":3045},[2996,14186,3173],{"class":3023},[2996,14188,12890],{"class":3045},[2996,14190,3173],{"class":3023},[2996,14192,4288],{"class":3064},[2996,14194,3136],{"class":3023},[2996,14196,3623],{"class":3009},[2996,14198,3630],{"class":3023},[2996,14200,14201,14203,14205,14207,14209,14211,14213],{"class":2998,"line":3191},[2996,14202,10958],{"class":3009},[2996,14204,8705],{"class":3045},[2996,14206,3173],{"class":3023},[2996,14208,8753],{"class":3064},[2996,14210,3136],{"class":3023},[2996,14212,13804],{"class":5432},[2996,14214,3630],{"class":3023},[2996,14216,14217],{"class":2998,"line":3215},[2996,14218,3055],{"class":3023},[2996,14220,14221,14223,14225,14227,14229,14231,14233,14235],{"class":2998,"line":3220},[2996,14222,11719],{"class":3045},[2996,14224,3173],{"class":3023},[2996,14226,12896],{"class":3045},[2996,14228,3173],{"class":3023},[2996,14230,4288],{"class":3064},[2996,14232,3136],{"class":3023},[2996,14234,3623],{"class":3009},[2996,14236,3630],{"class":3023},[2996,14238,14239,14241,14243,14245,14247,14249,14251],{"class":2998,"line":3226},[2996,14240,10958],{"class":3009},[2996,14242,8705],{"class":3045},[2996,14244,3173],{"class":3023},[2996,14246,8753],{"class":3064},[2996,14248,3136],{"class":3023},[2996,14250,13804],{"class":5432},[2996,14252,3630],{"class":3023},[2996,14254,14255],{"class":2998,"line":3238},[2996,14256,3055],{"class":3023},[2996,14258,14259,14261,14263,14265,14267,14269,14271,14273],{"class":2998,"line":3243},[2996,14260,11485],{"class":3045},[2996,14262,3173],{"class":3023},[2996,14264,11490],{"class":3064},[2996,14266,3136],{"class":3023},[2996,14268,11495],{"class":3045},[2996,14270,3173],{"class":3023},[2996,14272,6241],{"class":3045},[2996,14274,3630],{"class":3023},[2996,14276,14277,14279,14281,14283,14285,14287,14289,14291,14293,14295,14297,14300],{"class":2998,"line":3248},[2996,14278,11485],{"class":3045},[2996,14280,3173],{"class":3023},[2996,14282,11608],{"class":3064},[2996,14284,3136],{"class":3023},[2996,14286,11495],{"class":3045},[2996,14288,3173],{"class":3023},[2996,14290,12913],{"class":3045},[2996,14292,3173],{"class":3023},[2996,14294,12849],{"class":3064},[2996,14296,3136],{"class":3023},[2996,14298,14299],{"class":3421},"\"скасовано\"",[2996,14301,4827],{"class":3023},[2996,14303,14304],{"class":2998,"line":3272},[2996,14305,3303],{"class":3023},[3375,14307],{},[2960,14309,14311],{"id":14310},"підсумок","Підсумок",[2965,14313,14314],{},"Commands — це декларативний спосіб зв'язування дій користувача з логікою ViewModel без event handlers у code-behind.",[2965,14316,14317],{},[2980,14318,14319],{},"Ключові висновки:",[14321,14322,14323,14329,14336,14341,14346,14351],"card-group",{},[14324,14325,14328],"card",{"icon":14326,"title":14327},"i-lucide-target","🎯 ICommand інтерфейс","Execute для виконання дії, CanExecute для автоматичного IsEnabled, CanExecuteChanged для сповіщення про зміни.",[14324,14330,14332,14333],{"icon":92,"title":14331},"⚡ RelayCommand","Універсальна реалізація ICommand через делегати Action та Func",[4738,14334,14335],{},". Працює для більшості сценаріїв.",[14324,14337,14340],{"icon":14338,"title":14339},"i-lucide-package","📦 CommandParameter","Передача даних з View у команду через CommandParameter. Корисно для списків та контекстних меню.",[14324,14342,14345],{"icon":14343,"title":14344},"i-lucide-clock","⏳ AsyncRelayCommand","Асинхронне виконання з Task-based Execute. IsBusy для індикатора завантаження, CancellationToken для скасування.",[14324,14347,14350],{"icon":14348,"title":14349},"i-lucide-keyboard","⌨️ InputBindings","Прив'язка команд до клавіатурних скорочень (Ctrl+S, F5) та жестів миші. Та сама команда для кнопки та shortcut.",[14324,14352,14355],{"icon":14353,"title":14354},"i-lucide-check-circle","✅ Testability","Команди легко тестувати — Execute та CanExecute є публічними методами. Не потрібен UI для тестування.",[2965,14357,14358],{},[2980,14359,14360],{},"Переваги Commands:",[3310,14362,14363,14366,14369,14372,14375,14378],{},[3313,14364,14365],{},"✅ Чистий MVVM — логіка у ViewModel, а не у code-behind",[3313,14367,14368],{},"✅ Автоматичне управління IsEnabled через CanExecute",[3313,14370,14371],{},"✅ Тестованість — легко написати unit-тести",[3313,14373,14374],{},"✅ Перевикористання — та сама команда для кнопки, меню, shortcut",[3313,14376,14377],{},"✅ Декларативність — зрозуміло з XAML, що робить кнопка",[3313,14379,14380],{},"✅ Асинхронність — AsyncRelayCommand для довгих операцій",[2965,14382,14383],{},[2980,14384,5930],{},[3310,14386,14387,14390,14393],{},[3313,14388,14389],{},"⚠️ Більше коду на початку (створення класів команд)",[3313,14391,14392],{},"⚠️ Крива навчання (потрібно розуміти делегати, async/await)",[3313,14394,14395],{},"⚠️ CommandManager.RequerySuggested може спрацьовувати занадто часто",[11017,14397,14398,14401],{},[2980,14399,14400],{},"Коли використовувати Commands:"," Для будь-якої дії користувача (кнопки, меню, shortcuts). Для простих діалогів можна обійтися event handlers, але для складних додатків Commands — must-have.",[2965,14403,14404],{},[2980,14405,14406],{},"Що далі?",[3310,14408,14409,14424,14430],{},[3313,14410,14411,6097,14414,14418,14419,3145,14422,4298],{},[2980,14412,14413],{},"MVVM Toolkit",[2969,14415,14417],{"href":14416},"25.mvvm-toolkit","наступна стаття",") — автоматизація boilerplate через Source Generators (",[2996,14420,14421],{},"ObservableProperty",[2996,14423,6130],{},[3313,14425,14426,14429],{},[2980,14427,14428],{},"Avalonia MVVM"," (стаття 25a) — ReactiveUI та ViewLocator для Avalonia",[3313,14431,14432,14435],{},[2980,14433,14434],{},"Messenger Pattern"," (стаття 26) — комунікація між ViewModel без прямих посилань",[3375,14437],{},[2960,14439,14441],{"id":14440},"словник-термінів","Словник термінів",[3359,14443,14445,14450,14455,14460,14465,14470,14475,14481,14486,14492,14497,14502],{"title":14444},"📚 Глосарій",[2965,14446,14447,14449],{},[2980,14448,3356],{}," — інтерфейс для декларативного зв'язування дій з ViewModel. Містить Execute, CanExecute та CanExecuteChanged.",[2965,14451,14452,14454],{},[2980,14453,6130],{}," — універсальна реалізація ICommand через делегати. Найпоширеніша реалізація для WPF.",[2965,14456,14457,14459],{},[2980,14458,4288],{}," — метод ICommand, що виконує дію (аналог event handler).",[2965,14461,14462,14464],{},[2980,14463,4294],{}," — метод ICommand, що визначає, чи можна виконати дію. Використовується для автоматичного управління IsEnabled.",[2965,14466,14467,14469],{},[2980,14468,4303],{}," — подія ICommand, що сповіщає UI про зміну CanExecute.",[2965,14471,14472,14474],{},[2980,14473,5039],{}," — подія WPF для автоматичної перевірки CanExecute всіх команд.",[2965,14476,14477,14480],{},[2980,14478,14479],{},"CommandParameter"," — параметр, що передається з View у команду через Binding.",[2965,14482,14483,14485],{},[2980,14484,10840],{}," — асинхронна версія RelayCommand з підтримкою Task-based Execute.",[2965,14487,14488,14491],{},[2980,14489,14490],{},"InputBindings"," — механізм для прив'язки команд до клавіатурних скорочень та жестів миші.",[2965,14493,14494,14496],{},[2980,14495,9719],{}," — прив'язка команди до клавіатурного скорочення (Ctrl+S, F5).",[2965,14498,14499,14501],{},[2980,14500,13010],{}," — механізм для скасування асинхронних операцій.",[2965,14503,14504,14507,14508],{},[2980,14505,14506],{},"Делегат"," — посилання на метод. Action для методів без повернення значення, Func",[6262,14509,14510],{}," для методів з поверненням значення.",[3375,14512],{},[2960,14514,14516],{"id":14515},"додаткові-ресурси","Додаткові ресурси",[14321,14518,14519,14524,14530,14536,14541,14546],{},[14324,14520,14523],{"icon":15,"title":14521,"to":14522},"📖 Microsoft Docs: ICommand","https://learn.microsoft.com/en-us/dotnet/api/system.windows.input.icommand","Офіційна документація про ICommand інтерфейс з прикладами.",[14324,14525,14529],{"icon":14526,"title":14527,"to":14528},"i-lucide-command","📖 Microsoft Docs: Commanding Overview","https://learn.microsoft.com/en-us/dotnet/desktop/wpf/advanced/commanding-overview","Повний огляд системи команд у WPF.",[14324,14531,14535],{"icon":14532,"title":14533,"to":14534},"i-lucide-graduation-cap","🎓 RelayCommand Pattern","https://learn.microsoft.com/en-us/archive/msdn-magazine/2009/february/patterns-wpf-apps-with-the-model-view-viewmodel-design-pattern","Класична стаття про RelayCommand від Josh Smith.",[14324,14537,14540],{"icon":2561,"title":14538,"to":14539},"🔧 Async Commands Best Practices","https://learn.microsoft.com/en-us/archive/msdn-magazine/2014/march/async-programming-patterns-for-asynchronous-mvvm-applications-commands","Best practices для асинхронних команд у MVVM.",[14324,14542,14545],{"icon":14543,"title":14544,"to":2971},"i-lucide-arrow-left","📚 Попередня стаття: ViewModel Implementation","Повернутися до ViewModel Implementation — BaseViewModel, валідація, DesignTime дані.",[14324,14547,14550],{"icon":14548,"title":14549,"to":14416},"i-lucide-arrow-right","📚 Наступна стаття: MVVM Toolkit","Дізнатися про CommunityToolkit.Mvvm — автоматизація boilerplate через Source Generators.",[14552,14553,14554],"style",{},"html pre.shiki code .spJ8K, html code.shiki .spJ8K{--shiki-light:#008000;--shiki-default:#6A9955;--shiki-dark:#6A9955}html pre.shiki code .su1O8, html code.shiki .su1O8{--shiki-light:#0000FF;--shiki-default:#569CD6;--shiki-dark:#569CD6}html pre.shiki 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