<Page xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
HorizontalAlignment="Stretch" VerticalAlignment="Stretch">
<Canvas>
<Rectangle Fill="Red" Width="20" Height="20">
<Rectangle.Triggers>
<EventTrigger RoutedEvent="Rectangle.Loaded">
<BeginStoryboard>
<Storyboard>
<DoubleAnimation From="0" To="800" Duration="0:0:10"
Storyboard.TargetProperty="(Canvas.Left)"
RepeatBehavior="Forever" AutoReverse="True" />
<DoubleAnimationUsingKeyFrames Duration="0:0:2"
Storyboard.TargetProperty="(Canvas.Top)"
RepeatBehavior="Forever">
<DoubleAnimationUsingKeyFrames.KeyFrames>
<LinearDoubleKeyFrame Value="0" KeyTime="0:0:0" />
<LinearDoubleKeyFrame Value="50" KeyTime="0:0:0.5" />
<LinearDoubleKeyFrame Value="150" KeyTime="0:0:1.5" />
<LinearDoubleKeyFrame Value="50" KeyTime="0:0:2" />
</DoubleAnimationUsingKeyFrames.KeyFrames>
</DoubleAnimationUsingKeyFrames>
</Storyboard>
</BeginStoryboard>
</EventTrigger>
</Rectangle.Triggers>
</Rectangle>
</Canvas>
</Page>
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