The button and text block are up-side down in the custom coordinate system.
<UserControl x:Class='SilverlightApplication3.MainPage' xmlns='http://schemas.microsoft.com/winfx/2006/xaml/presentation' xmlns:x='http://schemas.microsoft.com/winfx/2006/xaml' xmlns:d='http://schemas.microsoft.com/expression/blend/2008' xmlns:mc='http://schemas.openxmlformats.org/markup-compatibility/2006' mc:Ignorable='d' d:DesignWidth='640' d:DesignHeight='480'> <Border BorderBrush="Black" BorderThickness="1" Height="200" Width="200"> <Canvas Height="200" Width="200"> <Button Canvas.Top="50" Canvas.Left="80" FontSize="15" Foreground="Red" Content="My Button"> <Button.RenderTransform> <ScaleTransform ScaleY="-1" /> </Button.RenderTransform> </Button> <TextBlock Canvas.Top="120" Canvas.Left="20" FontSize="12pt" Foreground="Blue"> <TextBlock.RenderTransform> <ScaleTransform ScaleY="-1" /> </TextBlock.RenderTransform> </TextBlock> </Canvas> </Border> </UserControl>