-api-id | -api-type |
---|---|
T:Microsoft.UI.Xaml.Controls.TreeViewExpandingEventArgs |
winrt class |
Provides event data for the TreeView.Expanding event.
TreeView, TreeViewCollapsedEventArgs, TreeView overview
Tip
For more info, design guidance, and code examples, see TreeView.
[!div class="nextstepaction"] Open the WinUI 3 Gallery app and see the TreeView in action
The WinUI 3 Gallery app includes interactive examples of most WinUI 3 controls, features, and functionality. Get the app from the Microsoft Store or get the source code on GitHub.