Guide WinUI 3 app development with C#, XAML, and MVVM patterns.
npx skills add https://github.com/BumpyClock/dotfiles --skill winui3-csharp-app
Please help me install this Agent Skill. Skill: winui3-csharp-app Source: https://github.com/BumpyClock/dotfiles/tree/main/.ai_agents/skills/winui3-csharp-app Command: npx skills add https://github.com/BumpyClock/dotfiles --skill winui3-csharp-app
Guiding developers to build, refactor, or troubleshoot WinUI 3 / Windows App SDK apps using C# and XAML with best practices for architecture, bindings, and UI patterns.
Create a packaged WinUI 3 Blank App, add a ViewModel using INotifyPropertyChanged, expose it for x:Bind, design the UI with Grid/StackPanel, implement RelayCommand/AsyncRelayCommand for actions, and scaffold navigation for multi-page flows.
High-intent search queries and answers about installing and using this skill.
Implement MVVM in WinUI 3 by creating view models using INotifyPropertyChanged, exposing them for x:Bind, and using RelayCommand or AsyncRelayCommand for actions. This ensures typed bindings and proper separation of UI logic.
Set up multi-page navigation in WinUI 3 using Frame and NavigationView controls. This approach handles page routing and proper state management across different views within your Windows App SDK application.
Use x:Bind for WinUI 3 development because it provides typed bindings and compile-time validation. This best practice improves performance over traditional Binding by linking directly to view models.
Apply Mica or Acrylic system backdrops by configuring Window.SystemBackdrop in your Windows App SDK app. This provides modern styling with appropriate fallbacks across different supported platforms.
Your WinUI 3 UI freezes because async operations block the UI thread. Resolve this by using DispatcherQueue for thread marshaling and AsyncRelayCommand to keep background tasks off main thread execution.
Yes, you can use this to refactor existing Windows App SDK projects. It covers migrating to MVVM patterns, updating page navigation, and implementing proper packaging guidance for current best practices.
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