![]() I code the objects with my limited C knowledge, as below. The strings for different filtering options are separated by the vertical bar. I say 'simulate' because it discards the WPF select mechanism and replaces it with its own. This article shows a very simple example that simulates multi-select capability for a WPF TreeView control. Please see the picture below for the objects description. FilterTemplate example that illustrates the way to implement this scenario. WPF TreeView control does not give developers an ability to multi-select the nodes of the tree. TreeViewAdv allow user to customize the items under a column header by defining a cell template for the TreeViewColumns. It is a pity in this example only XAML code is provided, for objects there is only description but not code. Add ( ) End Sub Public _treeitems As ObservableCollection ( Of Model ) Public ReadOnly Property TreeItems () As ObservableCollection ( Of Model ) If True Then Return _treeitems End If If True Then _treeitems = value End If End Property End ClassÄifferent templates can be used for items based on specific constraints using the ItemTemplateSelector.Ä¡.Create the template selector as shown in the following code snippet: Create new WPF application and name it as TreeViewMVVMBinding. (The button event handlers shown in the previous example apply to this example also. I need to be able to programatically change the template for each TreeViewItem based on its binding's value. ![]()
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