control간 순서 정하기

control 간 우선 순위 정하는 방법

<Window x :Class="WpfApplication28.MainWindow"         xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"         xmlns:x ="http://schemas.microsoft.com/winfx/2006/xaml"         Title="MainWindow" Height ="350" Width="525">     <Grid >                 <Grid>             <Button Width ="75" Height="23" Margin="0,0" HorizontalAlignment ="Left" VerticalAlignment="Top"> Button1</ Button>             <Button Width ="75" Height="23" Margin="15,15" HorizontalAlignment="Left" VerticalAlignment="Top">Button2 </Button>             <Button Width ="75" Height="23" Margin="30,30" HorizontalAlignment="Left" VerticalAlignment="Top">Button3 </Button>                                 </Grid>                         <Grid Margin ="0,116,0,0">             <Button Width ="75" Height="23" Margin="0,0" Panel.ZIndex ="3" HorizontalAlignment="Left" VerticalAlignment="Top">Button1 </Button>             <Button Width ="75" Height="23" Margin="15,15" Panel.ZIndex ="2" HorizontalAlignment="Left" VerticalAlignment="Top">Button2 </Button>             <Button Width ="75" Height="23" Margin="30,30" Panel.ZIndex ="1" HorizontalAlignment="Left" VerticalAlignment="Top">Button3 </Button>         </Grid>                     </Grid >             </Window>