Scales a rectangle by 200% from a center of (0.5,0.5)

image_pdfimage_print
   
  
<Window x:Class="Workspace.DockExample"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    Title="Workspace" Width="640" Height="480">
         <Canvas Width="250" Height="250">
           <Rectangle Height="50" Width="50" Fill="#CCCCCCFF"
             Canvas.Left="100" Canvas.Top="100" Stroke="Blue" StrokeThickness="2"
             RenderTransformOrigin="0.5,0.5">
             <Rectangle.RenderTransform>
               <ScaleTransform ScaleX="2" ScaleY="2" />
             </Rectangle.RenderTransform>
           </Rectangle>
          <Rectangle Style="{StaticResource MarkerRectangleStyle}" />           
         </Canvas>

</Window>