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Migrate a UWP app to WinUI 3 v1.0.0

Use this resource to migrate a UWP application to WinUI 3 and Windows App SDK

New

  • 388 downloads
  • 181 likes
  • 129 saves

Free

Install with the CLI

In a terminal, from the folder you want:

npx --yes palatekit@latest install uwp-to-winui3-migration-reference

With no option, the skill goes to ~/.agents/skills/; add --agent claude-code (or codex, cursor…) to target an agent.

First time: connect the CLI with

npx --yes palatekit@latest login

The agent replaces Windows.UI.Xaml namespaces, CoreDispatcher, CoreWindow, MessageDialog and file pickers with their WinUI 3 equivalents, showing the code before and after. It flags common mistakes in generated code, such as a ContentDialog without a XamlRoot.

Mostly picked by

Updated November 2, 2026

Card for the “Migrate a UWP app to WinUI 3” skill

Details

Works in
Install guides
Generates with
Your agent's model
Licence
MIT

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What you get

  • SKILL.md: namespace mapping and common mistakes
  • SKILL.md: migration of windows, dialogs and file pickers

Good fit for

  • Your UWP app must move to Windows App SDK
  • Code generated by an assistant still uses CoreDispatcher

Not for

    Tags

    • winui 3
    • uwp
    • windows app sdk
    • migration
    • xaml

    About

    You say

    “Migrate this UWP page that opens a ContentDialog and a file picker to WinUI 3.”

    Card for the “Migrate a UWP app to WinUI 3” skill

    Skill published by github under the MIT license, delivered in its original version.

    Show more

    How to use it

    1. Install the skill in your agent's skills folder
    2. Ask your agent to migrate a UWP application to WinUI 3 and Windows App SDK
    3. Review and adjust the result

    Content preview

    Files

    • LICENSE1 KB
    • NOTICE-PALATEKIT.md0.5 KB
    • SKILL.md8.8 KB

    Origin and licence

    Listed unmodified

    Author
    github
    Source
    github.com/github/awesome-copilot/tree/0fe6545b950671641b2b14b44eb56678fea6c6b4/skills/winui3-migration-guide
    Licence
    MIT

    Notice

    « winui3-migration-guide » (github, MIT) livré dans sa version d'origine : fiche en français et en anglais par PalateKit.

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