Run the GrayScaleExtendedCommandBitmapEffect on an image with RedFactor = 300, GreenFactor = 590, and BlueFactor = 110.

Visual Basic

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Public Sub GrayScaleExtendedCommandBitmapEffectExample(ByVal element As FrameworkElement)    ' Initialize Effect    Dim effect As GrayScaleExtendedCommandBitmapEffect = New GrayScaleExtendedCommandBitmapEffect()    effect.RedFactor = 300    effect.GreenFactor = 590    effect.BlueFactor = 110    element.BitmapEffect = effect    ' Initialize Animations    Dim animation1 As Int32Animation = New Int32Animation()    animation1.From = 0    animation1.To = 1000    animation1.By = 1    animation1.Duration = New Duration(TimeSpan.FromSeconds(2.0))    animation1.AutoReverse = True    animation1.RepeatBehavior = RepeatBehavior.Forever    Dim animation2 As Int32Animation = New Int32Animation()    animation2.From = 0    animation2.To = 1000    animation2.By = 1    animation2.Duration = New Duration(TimeSpan.FromSeconds(3.0))    animation2.AutoReverse = True    animation2.RepeatBehavior = RepeatBehavior.Forever    Dim animation3 As Int32Animation = New Int32Animation()    animation3.From = 0    animation3.To = 1000    animation3.By = 1    animation3.Duration = New Duration(TimeSpan.FromSeconds(4.0))    animation3.AutoReverse = True    animation3.RepeatBehavior = RepeatBehavior.Forever    ' Initialize and run Storyboard    Dim storyboard As Storyboard = New Storyboard()    storyboard.SetTargetName(animation1, "AnimatedBitmapEffect")    storyboard.SetTargetProperty(animation1, New PropertyPath(GrayScaleExtendedCommandBitmapEffect.RedFactorProperty))    element.RegisterName("AnimatedBitmapEffect", effect)    storyboard.Children.Add(animation1)    storyboard.SetTargetName(animation2, "AnimatedBitmapEffect")    storyboard.SetTargetProperty(animation2, New PropertyPath(GrayScaleExtendedCommandBitmapEffect.GreenFactorProperty))    element.RegisterName("AnimatedBitmapEffect", effect)    storyboard.Children.Add(animation2)    storyboard.SetTargetName(animation3, "AnimatedBitmapEffect")    storyboard.SetTargetProperty(animation3, New PropertyPath(GrayScaleExtendedCommandBitmapEffect.BlueFactorProperty))    element.RegisterName("AnimatedBitmapEffect", effect)    storyboard.Children.Add(animation3)    storyboard.Begin(element) End Sub

C#

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public void GrayScaleExtendedCommandBitmapEffectExample(FrameworkElement element)  {     // Initialize Effect     GrayScaleExtendedCommandBitmapEffect effect = new GrayScaleExtendedCommandBitmapEffect();     effect.RedFactor = 300;     effect.GreenFactor = 590;     effect.BlueFactor = 110;     element.BitmapEffect = effect;       // Initialize Animations     Int32Animation animation1 = new Int32Animation();     animation1.From = 0;     animation1.To = 1000;     animation1.By = 1;     animation1.Duration = new Duration(TimeSpan.FromSeconds(2.0));     animation1.AutoReverse = true;     animation1.RepeatBehavior = RepeatBehavior.Forever;     Int32Animation animation2 = new Int32Animation();     animation2.From = 0;     animation2.To = 1000;     animation2.By = 1;     animation2.Duration = new Duration(TimeSpan.FromSeconds(3.0));     animation2.AutoReverse = true;     animation2.RepeatBehavior = RepeatBehavior.Forever;     Int32Animation animation3 = new Int32Animation();     animation3.From = 0;     animation3.To = 1000;     animation3.By = 1;     animation3.Duration = new Duration(TimeSpan.FromSeconds(4.0));     animation3.AutoReverse = true;     animation3.RepeatBehavior = RepeatBehavior.Forever;       // Initialize and run Storyboard     Storyboard storyboard = new Storyboard();     Storyboard.SetTargetName(animation1, "AnimatedBitmapEffect");     Storyboard.SetTargetProperty(animation1, new PropertyPath(GrayScaleExtendedCommandBitmapEffect.RedFactorProperty));     element.RegisterName("AnimatedBitmapEffect", effect);     storyboard.Children.Add(animation1);     Storyboard.SetTargetName(animation2, "AnimatedBitmapEffect");     Storyboard.SetTargetProperty(animation2, new PropertyPath(GrayScaleExtendedCommandBitmapEffect.GreenFactorProperty));     element.RegisterName("AnimatedBitmapEffect", effect);     storyboard.Children.Add(animation2);     Storyboard.SetTargetName(animation3, "AnimatedBitmapEffect");     Storyboard.SetTargetProperty(animation3, new PropertyPath(GrayScaleExtendedCommandBitmapEffect.BlueFactorProperty));     element.RegisterName("AnimatedBitmapEffect", effect);     storyboard.Children.Add(animation3);       storyboard.Begin(element);  }

XAML

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<Page Title="CSAnimateEffect" Height="391" Width="300" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xmlns:lteffects="clr-namespace:Leadtools.Windows.Media.Effects.Color;assembly=Leadtools.Windows.Media.Effects">    <Grid>      <Image Margin="10,10,10,10" HorizontalAlignment="Center" VerticalAlignment="Center" Source="C:\Program Files\LEAD Technologies, Inc\LEADTOOLS 16\Images\slave.jpg">        <Image.BitmapEffect>          <lteffects:GrayScaleExtendedCommandBitmapEffect x:Name="MyBitmapEffect" />        </Image.BitmapEffect>        <Image.Triggers>          <EventTrigger RoutedEvent="Image.Loaded">            <BeginStoryboard>              <Storyboard>                <Int32Animation Storyboard.TargetName="MyBitmapEffect" Storyboard.TargetProperty="RedFactor" From="0" To="1000" Duration="0:0:2" RepeatBehavior="Forever" AutoReverse="True" />                <Int32Animation Storyboard.TargetName="MyBitmapEffect" Storyboard.TargetProperty="GreenFactor" From="0" To="1000" Duration="0:0:3" RepeatBehavior="Forever" AutoReverse="True" />                <Int32Animation Storyboard.TargetName="MyBitmapEffect" Storyboard.TargetProperty="BlueFactor" From="0" To="1000" Duration="0:0:4" RepeatBehavior="Forever" AutoReverse="True" />              </Storyboard>            </BeginStoryboard>          </EventTrigger>        </Image.Triggers>      </Image>    </Grid>  </Page>

• RedFactor + GreenFactor + BlueFactor must equal 1000. (Internally the values are divided by 1000).

• For each pixel in the image the red, green and blue values are modified by the RedFactor, GreenFactor and BlueFactor properties, respectively. This allows the user to give more weight to one color, essentially enhancing that color, before the pixel is converted to grayscale.
• For example, if an object of this class has the RedFactor set to 500, the GreenFactor set to 250 and the BlueFactor set to 250, the red value of each pixel will get 50 percent of the weight when determining the grayscale value. The green value will get 25 percent of the weight and the blue value will get 25 percent of the weight when determining the grayscale value. This highlights or enhances the red in the image, prior to conversion to grayscale.

System.Object
   System.Windows.Threading.DispatcherObject
      System.Windows.DependencyObject
         System.Windows.Freezable
            System.Windows.Media.Animation.Animatable
               System.Windows.Media.Effects.BitmapEffect
                  Leadtools.Windows.Media.Effects.RasterCommandBitmapEffect
                     Leadtools.Windows.Media.Effects.Color.GrayScaleExtendedCommandBitmapEffect

Target Platforms: Microsoft .NET Framework 3.0, Windows XP, Windows Vista, Windows Server 2003 family, Windows Server 2008 family

Reference