DrawingBrush with DrawingGroup
<Window xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" Title="DrawingBrush as the Background"> <Window.Background> <DrawingBrush> <DrawingBrush.Drawing> <DrawingGroup> <GeometryDrawing Brush="Blue" Geometry="M 240,250 C 200,375 200,250 175,200 C 100,175 200,250 175,100 C 200,275 200,250 175,300 C 300,375 200,250 175,400 C 200,0 250,0 250,150 Z"/> </DrawingGroup> </DrawingBrush.Drawing> </DrawingBrush> </Window.Background> </Window>