--- lang: ja-jp breaks: true --- # "Enable UI Debugging Tooling for WinUI 3 Projects"の有効化　2021-04-12 > How to Enable UI Tooling for WinUI 3 in VS 16.9 Preview 4 #4140 > Enable WinUI 3 UI Tooling with Preview Features > https://github.com/microsoft/microsoft-ui-xaml/issues/4140 ![](https://i.imgur.com/JAH5RuB.png) ###### tags: `WinUI` `Visual Studio 2019 Preview` `Enable UI Debugging Tooling for WinUI 3 Projects`