<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">
<Window.Resources>
<DrawingGroup x:Key="myDrawing" >
<GeometryDrawing>
<GeometryDrawing.Geometry>
<GeometryGroup>
<LineGeometry StartPoint="0,0" EndPoint="1,1" />
<LineGeometry StartPoint="0,1" EndPoint="1,0" />
</GeometryGroup>
</GeometryDrawing.Geometry>
<GeometryDrawing.Pen>
<Pen Thickness="0.2" Brush="#3366FF" />
</GeometryDrawing.Pen>
</GeometryDrawing>
<GeometryDrawing Brush="Red"
Geometry="M 0.4,0.4 L 0.5,0.2 0.6,0.4 0.5,0.5" />
</DrawingGroup>
</Window.Resources>
<Rectangle Width="175" Height="90" Stroke="Black">
<Rectangle.Fill>
<DrawingBrush Drawing="{StaticResource myDrawing}" Viewport="0,0,0.5,0.5" TileMode="Tile">
<DrawingBrush.RelativeTransform>
<RotateTransform CenterX="0.5" CenterY="0.5" Angle="45" />
</DrawingBrush.RelativeTransform>
</DrawingBrush>
</Rectangle.Fill>
</Rectangle>
</Window>
