Run the ChangeHueCommandBitmapEffect on an image and change its hue.

Visual Basic

Copy Code

Public Sub ChangeHueCommandBitmapEffectExample(ByVal element As FrameworkElement)    ' Initialize Effect    Dim effect As ChangeHueCommandBitmapEffect = New ChangeHueCommandBitmapEffect()    effect.Angle = 180    element.BitmapEffect = effect    ' Initialize Animations    Dim animation1 As Int32Animation = New Int32Animation()    animation1.From = 0    animation1.To = 360    animation1.By = 1    animation1.Duration = New Duration(TimeSpan.FromSeconds(5.0))    animation1.AutoReverse = True    animation1.RepeatBehavior = RepeatBehavior.Forever    ' Initialize and run Storyboard    Dim storyboard As Storyboard = New Storyboard()    storyboard.SetTargetName(animation1, "AnimatedBitmapEffect")    storyboard.SetTargetProperty(animation1, New PropertyPath(ChangeHueCommandBitmapEffect.AngleProperty))    element.RegisterName("AnimatedBitmapEffect", effect)    storyboard.Children.Add(animation1)    storyboard.Begin(element) End Sub

C#

Copy Code

public void ChangeHueCommandBitmapEffectExample(FrameworkElement element)  {       // Initialize Effect     ChangeHueCommandBitmapEffect effect = new ChangeHueCommandBitmapEffect();     effect.Angle = 180;     element.BitmapEffect = effect;       // Initialize Animations     Int32Animation animation1 = new Int32Animation();     animation1.From = 0;     animation1.To = 360;     animation1.By = 1;     animation1.Duration = new Duration(TimeSpan.FromSeconds(5.0));     animation1.AutoReverse = true;     animation1.RepeatBehavior = RepeatBehavior.Forever;       // Initialize and run Storyboard     Storyboard storyboard = new Storyboard();     Storyboard.SetTargetName(animation1, "AnimatedBitmapEffect");     Storyboard.SetTargetProperty(animation1, new PropertyPath(ChangeHueCommandBitmapEffect.AngleProperty));     element.RegisterName("AnimatedBitmapEffect", effect);     storyboard.Children.Add(animation1);       storyboard.Begin(element);  }

XAML

Copy Code

<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:ChangeHueCommandBitmapEffect x:Name="MyBitmapEffect" />        </Image.BitmapEffect>        <Image.Triggers>          <EventTrigger RoutedEvent="Image.Loaded">            <BeginStoryboard>              <Storyboard>                <Int32Animation Storyboard.TargetName="MyBitmapEffect" Storyboard.TargetProperty="Angle" From="0" To="360" Duration="0:0:5" RepeatBehavior="Forever" AutoReverse="True" />              </Storyboard>            </BeginStoryboard>          </EventTrigger>        </Image.Triggers>      </Image>    </Grid>  </Page>

• This command can rotate the color wheel in either direction. A 180-degree rotation in either direction changes each color to its complement. Positive rotation takes red toward green, green toward blue, and blue toward red. Negative rotation has the opposite effect.
• This comaand does not support signed data images.

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.ChangeHueCommandBitmapEffect

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

Reference