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winui3-migration-guide

github

by github

23956

Updated 3/7/2026

UWP-to-WinUI 3 migration reference. Maps legacy UWP APIs to correct Windows App SDK equivalents with before/after code snippets. Covers namespace changes, threading (CoreDispatcher to DispatcherQueue), windowing (CoreWindow to AppWindow), dialogs, pickers, sharing, printing, background tasks, and the most common Copilot code generation mistakes.

Works with

Best in: Claude Code

What this skill helps you do

UWP-to-WinUI 3 migration reference. Maps legacy UWP APIs to correct Windows App SDK equivalents with before/after code snippets. Covers namespace changes, threading (CoreDispatcher to DispatcherQueue), windowing (CoreWindow to AppWindow), dialogs, pickers, sharing, printing, background tasks, and the most common Copilot code generation mistakes.

If you are evaluating a skill around Claude Code Skills, GitHub Copilot Skills, this page gives you the signals you need before installation.

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Install path and repo signals

Repo path

plugins/winui3-development/skills/winui3-migration-guide/

License

MIT

Downloads

0

Updated

3/7/2026

FAQ

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