<Page xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" x:Class="Microsoft.Samples.Graphics.Transforms.AnimatedScaleTransformExample" WindowTitle="Animated ScaleTransform Example" Background="White"> <StackPanel Margin="10"> <Canvas Width="250" Height="250"> <Rectangle Height="50" Width="50" Fill="#CCCCCCFF" Stroke="Blue" StrokeThickness="2" Canvas.Left="100" Canvas.Top="100"> <Rectangle.RenderTransform> <ScaleTransform x:Name="MyAnimatedScaleTransform" CenterX="25" CenterY="25" ScaleX="1" ScaleY="1" /> </Rectangle.RenderTransform> </Rectangle> <Rectangle Height="50" Width="50" Stroke="#99000000" StrokeDashArray="4,1" StrokeThickness="2" Canvas.Left="100" Canvas.Top="100" /> </Canvas> <StackPanel Orientation="Horizontal" HorizontalAlignment="Center" Margin="10"> <Button Name="startButton" Margin="0,0,2,0">Start</Button> <Button Name="stopButton">Stop</Button> <StackPanel.Triggers> <EventTrigger SourceName="startButton" RoutedEvent="Button.Click"> <BeginStoryboard Name="myBeginStoryboard"> <Storyboard> <DoubleAnimation Storyboard.TargetName="MyAnimatedScaleTransform" Storyboard.TargetProperty="ScaleX" From="0" To="3" Duration="0:0:2" /> <DoubleAnimation Storyboard.TargetName="MyAnimatedScaleTransform" Storyboard.TargetProperty="ScaleY" From="0" To="3" Duration="0:0:2" /> </Storyboard> </BeginStoryboard> </EventTrigger> <EventTrigger SourceName="stopButton" RoutedEvent="Button.Click"> <StopStoryboard BeginStoryboardName="myBeginStoryboard" /> </EventTrigger> </StackPanel.Triggers> </StackPanel> </StackPanel> </Page>