<Page xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
HorizontalAlignment="Stretch" VerticalAlignment="Stretch">
<Ellipse Name="myEllipse" Height="100" Fill="Red">
<Ellipse.Triggers>
<EventTrigger RoutedEvent="Ellipse.Loaded">
<BeginStoryboard>
<Storyboard>
<ParallelTimeline BeginTime="0:0:2">
<DoubleAnimation From="10" To="300" Duration="0:0:5"
Storyboard.TargetProperty="(Ellipse.Width)" />
</ParallelTimeline>
</Storyboard>
</BeginStoryboard>
</EventTrigger>
</Ellipse.Triggers>
</Ellipse>
</Page>
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