<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"> <Ellipse Margin="15,0,0,0" Width="200" Height="200" Stroke="Red" StrokeThickness="1"> <Ellipse.Fill> <DrawingBrush Viewport="0,0,150,50" ViewportUnits="Absolute" TileMode="Tile"> <DrawingBrush.Drawing> <DrawingGroup> <DrawingGroup.Children> <ImageDrawing ImageSource="c:image.JPG" Rect="0,0,100,50" /> <ImageDrawing ImageSource="c:image.JPG" Rect="100,0,50,50" /> </DrawingGroup.Children> </DrawingGroup> </DrawingBrush.Drawing> </DrawingBrush> </Ellipse.Fill> </Ellipse> </Window>