Setting a WPF ContextMenu's PlacementTarget property in XAML?
问题 <Button Name="btnFoo" Content="Foo" > <Button.ContextMenu Placement="Bottom" PlacementTarget="btnFoo"> <MenuItem Header="Bar" /> </Button.ContextMenu> </Button> gives me a runtime error 'UIElement' type does not have a public TypeConverter class I also tried <Button Name="btnFoo" Content="Foo" > <Button.ContextMenu Placement="Bottom" PlacementTarget="{Binding ElementName=btnFoo}"> <MenuItem Header="Bar" /> </Button.ContextMenu> </Button> and that put the ContextMenu in the top left corner of