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winui3-development

Guide WinUI 3 desktop app development with .NET, XAML, and Windows App SDK.

2|Updated Jan 23, 2026
Search Tags:#dotnet#ui development#mvvm#winui3#windows app sdk#windows desktop
One-click install
npx skills add https://github.com/yunmoxinghe/Docked-AI --skill winui3-development
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: winui3-development
Source: https://github.com/yunmoxinghe/Docked-AI/tree/main/.kiro/skills/winui3-development
Command: npx skills add https://github.com/yunmoxinghe/Docked-AI --skill winui3-development

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill requires Microsoft.WindowsAppSDK, Microsoft.Windows.SDK.BuildTools, CommunityToolkit.Mvvm, DevWinUI, and includes scripts (resource) and references (resource) and assets (resource) components.

What problem does it solve?

This Skill provides expert guidance for building modern Windows desktop applications with WinUI 3, .NET, and XAML, offering solutions to common challenges in UI development.

Core Features & Use Cases

  • WinUI 3 Expertise: Covers MVVM patterns, custom controls, theming, navigation, and modern Windows UI best practices.
  • Development Workflow: Includes project structure, essential NuGet packages, and XAML namespace declarations.
  • Common Patterns: Demonstrates MVVM with CommunityToolkit.Mvvm, navigation with NavigationView, DevWinUI components, theming, window management, system tray integration, and file picker.
  • DevWinUI 9.9.3 Specific Features: Delves into common DevWinUI controls, theming, and best practices.

Quick Start

To start building a WinUI 3 desktop application, clone the repository and follow the setup instructions to install the necessary SDKs and tools.

Frequently Asked Questions about winui3-development

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I start building a Windows desktop app with WinUI 3 and .NET?▼

To start WinUI 3 desktop app development, install .NET 8+, Windows App SDK 1.5+, and WinUI 3. You should also add essential NuGet packages like CommunityToolkit.Mvvm and DevWinUI to structure your project and implement modern UI.

What is the best way to implement MVVM patterns in a WinUI 3 application?▼

The best way to implement MVVM patterns in WinUI 3 is using the CommunityToolkit.Mvvm library. It provides source generators and observable objects that streamline data binding and command handling in your XAML desktop applications.

Do I need DevWinUI to build modern Windows UI applications with WinUI 3?▼

You do not strictly need DevWinUI for WinUI 3, but it significantly accelerates development. DevWinUI 9.x provides pre-built controls, theming capabilities, and components that simplify creating modern Windows desktop interfaces.

How does NavigationView work for managing windows in WinUI 3?▼

NavigationView in WinUI 3 provides a hierarchical navigation menu for your desktop app. It works with Windows App SDK to manage page transitions, system tray integration, and custom window management within your XAML interface.

Can I use CommunityToolkit.Mvvm with Windows App SDK for desktop development?▼

Yes, CommunityToolkit.Mvvm works seamlessly with Windows App SDK for desktop development. It handles MVVM architecture by providing observable properties and relay commands that bind directly to your WinUI 3 XAML controls.

Why does my WinUI 3 project require Windows App SDK 1.5 and .NET 8?▼

WinUI 3 projects require Windows App SDK 1.5 and .NET 8 to access modern Windows UI controls and runtime features. These versions provide the necessary APIs for window management, theming, and system integration in desktop applications.

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