WPF C# Tutorial

  xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
  x:Class="Microsoft.Samples.Graphics.AnimateGeometryDrawingExample" 
  Title="Using a DrawingBrush">
  
          
                          Viewbox="0,0,1,1" ViewboxUnits="Absolute">
                
                
                  
                    
                  

                                       
                    
                  

                
              

            
          

  
  
    
      
        
                      Storyboard.TargetName="myAnimatedDrawing" 
            Storyboard.TargetProperty="(DockPanel.Background).(DrawingBrush.Drawing).(GeometryDrawing.Geometry).(EllipseGeometry.RadiusX)"
            From="0.01" To="0.5" Duration="0:0:10" AutoReverse="True" RepeatBehavior="Forever" />