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>