<Window x:Class="Workspace.DockExample" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" Title="Workspace" Width="640" Height="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="Repeat"> <GradientStop Color="White" Offset="0" /> <GradientStop Color="#333333" Offset="1" /> </LinearGradientBrush> </Rectangle.Fill> </Rectangle> <Line X1="45" Y1="40" X2="105" Y2="40"/> </Canvas> </Window>