Rotating Popup
<Window x:Class="SDKSample.Window1" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" Title="AnimatedPopup"> <StackPanel> <Popup IsOpen="{Binding ElementName=myCheckBox,Path=IsChecked}" PlacementTarget="{Binding ElementName=myCheckBox}" AllowsTransparency="True" PopupAnimation="Slide" HorizontalOffset="50" VerticalOffset="50" > <Canvas Width="100" Height="100" Background="DarkBlue" Margin="150"> <Canvas.RenderTransform> <RotateTransform x:Name="theTransform" /> </Canvas.RenderTransform> <TextBlock TextWrapping="Wrap" Foreground="White"> Rotating Popup </TextBlock> </Canvas> </Popup> </StackPanel> </Window>