WPF C# Tutorial

    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    Title="Workspace" Width="640" Height="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" />