<Window x:Class="SimpleStyles.Window1" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" Title="SimpleStyles" Background="#F8F8F8"> <ScrollViewer> <WrapPanel> <HeaderedItemsControl Header="ScrollViewer"> <StackPanel> <ScrollViewer Width="200" Height="200" Style="{StaticResource LeftScrollViewer}"> <Canvas Width="400" Height="400"> <Canvas.Background> <LinearGradientBrush StartPoint="0,0" EndPoint="1,1"> <GradientStop Color="#FFF" Offset="0"/> <GradientStop Color="#AAA" Offset="1"/> </LinearGradientBrush> </Canvas.Background> </Canvas> </ScrollViewer> </StackPanel> </HeaderedItemsControl> </WrapPanel> </ScrollViewer> </Window>