ItemsSource and its related APIs require Windows 10, version 1809 ( SDK 17763) or later, or the Windows UI Library. Similarly, use ItemTemplate (and the optional ItemTemplateSelector) to provide a DataTemplate that renders the item. You can bind a hierarchical data source to the ItemsSource property to provide the tree view content, just as you would with ListView's ItemsSource. ![]() You can nest tree view nodes to whatever depth you require. Each TreeViewNode can then have more nodes added to its Children collection. ![]() You create the node hierarchy by adding one or more root nodes to the TreeView control's RootNodes collection. To create a tree view, you use a TreeView control and a hierarchy of TreeViewNode objects. You can create a tree view by binding the ItemsSource to a hierarchical data source, or you can create and manage TreeViewNode objects yourself. xmlns:muxc="using:Microsoft.UI.Xaml.Controls" See Get Started with WinUI 2 for more info. To use the code in this article with WinUI 2, use an alias in XAML (we use muxc) to represent the Windows UI Library APIs that are included in your project. We recommend using the latest WinUI 2 to get the most current styles, templates, and features for all controls. Get the app from the Microsoft Store or get the source code on GitHub. The WinUI 2 Gallery app includes interactive examples of most WinUI 2 controls, features, and functionality.
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