Rotating a Rectangle Animation
<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'> <Canvas> <Rectangle Name="rectangle1" Width="200" Height="100" Canvas.Left="200" Canvas.Top="50" Fill="Red" Stroke="Black" StrokeThickness="4"> <Rectangle.RenderTransform> <RotateTransform Angle="30"/> </Rectangle.RenderTransform> <Rectangle.Triggers> <EventTrigger RoutedEvent="Rectangle.Loaded"> <EventTrigger.Actions> <BeginStoryboard> <Storyboard Storyboard.TargetProperty="(Rectangle.RenderTransform).(RotateTransform.Angle)" Storyboard.TargetName="rectangle1"> <DoubleAnimation AutoReverse="True" RepeatBehavior="2x" From="0" To="90" Duration="0:0:1"/> </Storyboard> </BeginStoryboard> </EventTrigger.Actions> </EventTrigger> </Rectangle.Triggers> </Rectangle> </Canvas> </UserControl>