xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
Title="Interactive Storyboard" Height="300" Width="300">
SourceName="btnBegin">
Storyboard.TargetName="ellipse"
Storyboard.TargetProperty="Fill.GradientStops[2].Color"
To="Black" Duration="0:0:2" RepeatBehavior="5x" />