<Canvas x:Name="parentCanvas"
        xmlns="http://schemas.microsoft.com/client/2007" 
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" 
	Width="640" Height="200">

	<Canvas.Triggers>
		<EventTrigger RoutedEvent="Canvas.Loaded">
			<BeginStoryboard>
				<Storyboard Duration="00:00:02">
					<DoubleAnimation Storyboard.TargetName="rect" Storyboard.TargetProperty="(Canvas.Left)" By="500" Duration="00:00:04" />
				</Storyboard>
			</BeginStoryboard>
		</EventTrigger>
	</Canvas.Triggers>

		<Rectangle x:Name="measure1" Canvas.Left="10" Canvas.Top="7" Width="350" Height="3" Fill="Black" />
		<Rectangle x:Name="measure2" Canvas.Left="10" Canvas.Top="110" Width="350" Height="3" Fill="Black" />
		<Rectangle x:Name="rect" Canvas.Left="10" Canvas.Top="10" Width="100" Height="100" Fill="Red" />
		
	<TextBlock x:Name="description" Canvas.Left="20" Canvas.Top="150" Width="600" Height="30"
			   Text="The red block should take 2 seconds to move half-way to the right, and stay there."/>
</Canvas>
