Clipped Button


   
      
<Grid xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
      xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">

    <Button HorizontalAlignment="Center" VerticalAlignment="Center"
            FontSize="24" Width="200" Height="100"
            Clip="M  0 50 A 100 50 0 0 0 200 50
                          A 100 50 0 0 0   0 50
                  M 90 50 A  10 10 0 0 0 110 50
                          A  10 10 0 0 0  90 50" >
        Clipped Button
    </Button>

</Grid>