wpf menu 里面的menuitem有多级,这个怎么绑定数据,初学者
<Menu HorizontalAlignment="Right" Height="33" VerticalAlignment="Top" Width="835" Grid.Column="1" Margin="0,0,10,0">
<Menu.Background>
<ImageBrush ImageSource="skin/lsct_dh.png"/>
</Menu.Background>
<MenuItem Header="充值" Height="20" VerticalAlignment="Center" Margin="10,7,0,0" Foreground="DarkTurquoise">
<MenuItem Header="111111" />
<MenuItem Header="22222222" />
<MenuItem Header="33333333" />
</MenuItem>
</Menu>