<StackPanel xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" HorizontalAlignment="Center" VerticalAlignment="Center">

		

		<Button  HorizontalAlignment="Center" VerticalAlignment="Center" Height="100" Width="100"  Content="OK" Opacity="0.7">
			<Button.RenderTransform>
				<MatrixTransform Matrix="1,2,2,2,1,1"/>
			</Button.RenderTransform>
		</Button >
		<Button  HorizontalAlignment="Center" VerticalAlignment="Center" Height="100" Width="100" Opacity="0.8" Content="OK">

		</Button >
</StackPanel >