LinearGradientBrush SpreadMethod
<UserControl x:Class='SilverlightApplication3.MainPage' xmlns='http://schemas.microsoft.com/winfx/2006/xaml/presentation' xmlns:x='http://schemas.microsoft.com/winfx/2006/xaml' xmlns:d='http://schemas.microsoft.com/expression/blend/2008' xmlns:mc='http://schemas.openxmlformats.org/markup-compatibility/2006' mc:Ignorable='d' d:DesignWidth='640' d:DesignHeight='480'> <Canvas Width="150" Height="75" Margin="0,0,0,10"> <Rectangle Width="150" Height="75" Stroke="Black"> <Rectangle.Fill> <LinearGradientBrush StartPoint="0.3,0.5" EndPoint="0.7,0.5" SpreadMethod="Pad"> <GradientStop Color="White" Offset="0" /> <GradientStop Color="Red" Offset="0.6" /> <GradientStop Color="#333333" Offset="1" /> </LinearGradientBrush> </Rectangle.Fill> </Rectangle> <Line X1="45" Y1="40" X2="105" Y2="40"/> </Canvas> </UserControl>