Graphics Silverlight

    xmlns='http://schemas.microsoft.com/winfx/2006/xaml/presentation' 
    xmlns:x='http://schemas.microsoft.com/winfx/2006/xaml'
    xmlns:d='http://schemas.microsoft.com/expression/blend/2008' 
    xmlns:mc='http://schemas.openxmlformats.org/markup-compatibility/2006' 
    mc:Ignorable='d' 
    d:DesignWidth='640' 
    d:DesignHeight='480'>
              Width="200" Height="150" HorizontalAlignment="Left">
        
                      RadiusX="100"
            RadiusY="75"
            Center="100,75"/>
        

        
          
            
              
                                  Storyboard.TargetName="MyEllipseGeometry1" 
                  Storyboard.TargetProperty="(EllipseGeometry.Center)"
                  From="0,0" To="200,150" Duration="0:0:3" RepeatBehavior="Forever" 
                  AutoReverse="True" />