Infinitely rotate rectangle in XAML
Something like this
<Rectangle x:Name="rect1" RenderTransformOrigin="0.5, 0.5"> <Rectangle.RenderTransform> <!-- giving the transform a name tells the framework not to freeze it --> <RotateTransform x:Name="noFreeze" /> </Rectangle.RenderTransform> <Rectangle.Triggers> <EventTrigger RoutedEvent="Loaded"> <BeginStoryboard> <Storyboard> <DoubleAnimation Storyboard.TargetProperty="(Rectangle.RenderTransform).(RotateTransform.Angle)" To="-360" Duration="0:0:1" RepeatBehavior="Forever" /> </Storyboard> </BeginStoryboard> </EventTrigger> </Rectangle.Triggers></Rectangle>Of course you can remove Loaded trigger and run this storyboard whenever you want.