Begin Method

using Leadtools.Windows.Media.Transitions; 
using Leadtools.Windows.Controls; 
 
 
public void RectangularTransition_RectangularTransition(ImageViewer viewer) 
{ 
   RectangularTransition rectangularTransition = new RectangularTransition(); 
   rectangularTransition.TransitionType = RectangularTransitionType.InterlaceOutIn; 
 
   rectangularTransition.AutoReverse = true; 
   rectangularTransition.Fill = new ImageBrush(new BitmapImage(new Uri(System.IO.Path.Combine(LEAD_VARS.ImagesDir, "image2.jpg")))); 
   rectangularTransition.Duration = new Duration(TimeSpan.FromSeconds(1)); 
   rectangularTransition.FillBehavior = System.Windows.Media.Animation.FillBehavior.HoldEnd; 
   rectangularTransition.Grain = 10; 
 
   viewer.Transition = rectangularTransition; 
 
   // Begin the transition 
   rectangularTransition.Begin(); 
} 
 
static class LEAD_VARS 
{ 
   public const string ImagesDir = @"C:\LEADTOOLS23\Resources\Images"; 
}