Public Class InvertEffect 
   Inherits System.Windows.Media.Effects.ShaderEffect
   Implements IAnimatable 

Dim instance As InvertEffect

public class InvertEffect : System.Windows.Media.Effects.ShaderEffect, IAnimatable  

public ref class InvertEffect : public System.Windows.Media.Effects.ShaderEffect, IAnimatable  

Class InvertEffectExampleWindow
      Inherits Window
      Private theViewer As ImageViewer

      Public Sub New()
         Dim sp As New StackPanel()
         Content = sp

         theViewer = New ImageViewer()

         theViewer.HorizontalAlignment = HorizontalAlignment.Center
         theViewer.VerticalAlignment = VerticalAlignment.Top
         theViewer.ImageHorizontalAlignment = HorizontalAlignment.Left
         theViewer.ImageVerticalAlignment = VerticalAlignment.Top

         sp.Children.Add(theViewer)

         ' Load an image into the viewer
         theViewer.Source = New BitmapImage(New Uri(System.IO.Path.Combine(LEAD_VARS.ImagesDir, "Cannon.jpg")))

         Title = "Double click to use the Effect"

         AddHandler theViewer.MouseDoubleClick, AddressOf theViewer_MouseDoubleClick
      End Sub

      Private Sub theViewer_MouseDoubleClick(ByVal sender As Object, ByVal e As MouseButtonEventArgs)
         Dim effect As New InvertEffect()
         theViewer.ImageEffect = effect

         Title = "Using InvertEffect"
      End Sub
   End Class

Public NotInheritable Class LEAD_VARS
   Public Const ImagesDir As String = "C:\Users\Public\Documents\LEADTOOLS Images"
End Class

class InvertEffectExampleWindow : Window
   {
      private ImageViewer theViewer;
      public InvertEffectExampleWindow()
      {
         StackPanel sp = new StackPanel();
         Content = sp;

         theViewer = new ImageViewer();

         theViewer.HorizontalAlignment = HorizontalAlignment.Center;
         theViewer.VerticalAlignment = VerticalAlignment.Top;
         theViewer.ImageHorizontalAlignment = HorizontalAlignment.Left;
         theViewer.ImageVerticalAlignment = VerticalAlignment.Top;

         sp.Children.Add(theViewer);

         // Load an image into the viewer
         theViewer.Source = new BitmapImage(new Uri(System.IO.Path.Combine(LEAD_VARS.ImagesDir, "Cannon.jpg")));

         Title = "Double click to use the Effect";

         theViewer.MouseDoubleClick += new MouseButtonEventHandler(theViewer_MouseDoubleClick);
      }

      private void theViewer_MouseDoubleClick(object sender, MouseButtonEventArgs e)
      {
         InvertEffect effect = new InvertEffect();
         theViewer.ImageEffect = effect;

         Title = "Using InvertEffect";
      }
   }

static class LEAD_VARS
{
   public const string ImagesDir = @"C:\Users\Public\Documents\LEADTOOLS Images";
}

class InvertEffectExampleWindow : UserControl
{
   private ImageViewer theViewer;
   public InvertEffectExampleWindow()
   {
      StackPanel sp = new StackPanel();
      Content = sp;

      theViewer = new ImageViewer();

      theViewer.HorizontalAlignment = HorizontalAlignment.Center;
      theViewer.VerticalAlignment = VerticalAlignment.Top;
      theViewer.ImageHorizontalAlignment = HorizontalAlignment.Left;
      theViewer.ImageVerticalAlignment = VerticalAlignment.Top;

      sp.Children.Add(theViewer);

      // Load an image into the viewer
      theViewer.Source = new BitmapImage(new Uri(LeadtoolsExamples.Common.ImagesPath.Path + "Cannon.jpg"));

      //theViewer.MouseDoubleClick += new MouseButtonEventHandler(theViewer_MouseDoubleClick);
   }

   private void theViewer_MouseDoubleClick(object sender, MouseButtonEventArgs e)
   {
      InvertEffect effect = new InvertEffect();
      theViewer.ImageEffect = effect;
   }
}

Class InvertEffectExampleWindow
   Inherits UserControl
   Private theViewer As ImageViewer

   Public Sub New()
      Dim sp As New StackPanel()
      Content = sp

      theViewer = New ImageViewer()

      theViewer.HorizontalAlignment = HorizontalAlignment.Center
      theViewer.VerticalAlignment = VerticalAlignment.Top
      theViewer.ImageHorizontalAlignment = HorizontalAlignment.Left
      theViewer.ImageVerticalAlignment = VerticalAlignment.Top

      sp.Children.Add(theViewer)

      ' Load an image into the viewer
      theViewer.Source = New BitmapImage(New Uri(LeadtoolsExamples.Common.ImagesPath.Path + "Cannon.jpg"))
   End Sub

   Private Sub theViewer_MouseDoubleClick(ByVal sender As Object, ByVal e As MouseButtonEventArgs)
      Dim effect As New InvertEffect()
      theViewer.ImageEffect = effect
   End Sub
End Class

<Window x:Class="InvertEffectExample" Height="600" Width="800" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xmlns:leadControls="clr-namespace:Leadtools.Windows.Controls;assembly=Leadtools.Windows.Controls" xmlns:leadEffects="clr-namespace:Leadtools.Windows.Media.Effects;assembly=Leadtools.Windows.Media.Effects">
  <StackPanel>
    <leadControls:ImageViewer HorizontalAlignment="Center" VerticalAlignment="Top" ImageHorizontalAlignment="Left" ImageVerticalAlignment="Top" Source="file:///c:\users\Public\Documents\LEADTOOLS Images\cannon.jpg">
      <leadControls:ImageViewer.ImageEffect>
        <leadEffects:InvertEffect />
      </leadControls:ImageViewer.ImageEffect>
    </leadControls:ImageViewer>
  </StackPanel>
</Window>