![]() ![]() The border control will appear at the edge of ContextMenu with round corner shape. You can create a group of mutually exclusive checkable items by setting the GroupName property of each item you wish to add to the group. Here in the following example shows, how to add a border control to the context menu to change the appearance. I just want to create a context menu in my treeview and execute with every context menuitem event that had been choice. Like other WPF controls, the appearance of ContextMenu can be also changed using XAML code as well as C code. The typical reason for setting Handled to true in the event data is to replace the menu. ![]() Id like to be able to bind the ItemsSource of a ContextMenu to a Collection in my view model, show Separator s in the ContextMenu, and the ItemsSource has to be hierarchical (every level of the hierarchy will look the same). Public enum ActionToTake Partial Public Class MainWindow Inherits Window Public Sub New() Me.InitializeComponent() Me.DataContext = Me.SetUpViewModel() End Sub Private Function SetUpViewModel() As ViewModel Dim leagues = New ObservableCollection(Of League)() For i As Integer = 1 To 5 Dim divisions = New ObservableCollection(Of Division)() For j As Integer = 1 To 5 Dim division = New Division("Division " & j) divisions.Add(division) Next j Dim league = New League("League " & i, divisions) leagues. I have a problem with my project about treeview and context menu. The ContextMenuOpening event can be handled in an application to either adjust an existing context menu prior to display or to suppress the menu that would otherwise be displayed by setting the Handled property to true in the event data. Struggling with HierarchicalDataTemplate in ContextMenu. ![]()
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