<Window x:Class="BitmapEffects.Window4" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" Title="Bitmap Effects" Height="538" Width="600" > <StackPanel> <Canvas> <Ellipse Height="100" Width="100" Fill="Blue" Stroke="Black"/> <Canvas.BitmapEffect> <OuterGlowBitmapEffect GlowSize="{Binding Path=Value, ElementName=sliderGlow}" /> </Canvas.BitmapEffect> </Canvas> <TextBlock>Outer Glow</TextBlock> <Slider Minimum="0" Maximum="20" Name="sliderGlow" Value="14"/> <TextBox Text="{Binding ElementName=sliderGlow, Path=Value}"/> </StackPanel> </Window>