当用户单击按钮时,我在网格中显示TestControl:
当用户在TestControl之外单击时,如何隐藏TestControl?
<Grid>
<myControls:TestControl Panel.ZIndex="2" Visibility="Collapsed" Width="100" Height="100" />
<Button "Open Test Control" Click="btnOpen_Click" />
</Grid>
当用户在TestControl之外单击时,如何隐藏TestControl?