Positioning on a Canvas
<Page xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" HorizontalAlignment="Center" VerticalAlignment="Center"> <Canvas Background="Yellow" Width="150" Height="100"> <TextBlock Canvas.Left="10" Canvas.Top="20">Hello</TextBlock> <TextBlock Canvas.Right="10" Canvas.Bottom="20">world!</TextBlock> </Canvas> </Page>