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The following example shows how to create a TreeView where the TreeViewItem content contains DockPanel controls that have embedded content. To show you all of them, we have dedicated an entire. Fortunately, the WPF TreeView control rewards you with great usability and flexibility. In the first example, which well get into already in the next chapter, it might seem simple, but once you dig deeper, youll see the complexity. The following example shows how to create a TreeView where an XmlDataProvider provides TreeViewItem content and a HierarchicalDataTemplate defines the appearance of the content. The WPF TreeView is indeed a complex control. The following example show how to define child elements of a TreeViewItem by defining Items that are Button controls. If you are curious to see some examples of how the WPF TreeView can be customized, check out this article and this article. The following example shows how to explicitly define TreeViewItem content by setting the Header property to a text string. WPF MVVM Add dynamic context Menu for TreeView using code C in View Model. In contrast, the WPF TreeView is extremely flexible, inherently supports UI virtualization (i.e.
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That must be done in code such as C, not XAML. A TreeViewItem can also have TreeViewItem controls as its child elements and you can define these child elements by using the Items property. There are many samples of creating a WPF TreeView Control and populating it in XAML but in actual use we are much more likely to populate a TreeView Control dynamically from data. The Header property of the TreeViewItem contains the content that the TreeView displays for that item. This topic provides examples of these concepts. browser compatibility (ASP.NET AJAX Library layer), 1223 browser. You can explicitly define the TreeView content or a data source can provide the content.
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This example shows how to create simple or complex TreeView controls.Ī TreeView consists of a hierarchy of TreeViewItem controls, which can contain simple text strings and also more complex content, such as Button controls or a StackPanel with embedded content.