This example uses the ContextMenuService to display a ContextMenu for a Button that is disabled.
<Button Height="30" Content="Disabled Button" IsEnabled="False" ContextMenuService.ShowOnDisabled="True"> <Button.ContextMenu> <ContextMenu> <MenuItem Header="Item 1"/> <MenuItem Header="Item 2"/> <MenuItem Header="Item 3"/> </ContextMenu> </Button.ContextMenu> </Button>