<Window x:Class="Chapter05.DrawingImageExample" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" Title="DrawingImage Example" Height="130" Width="320"> <Button Name="DrawRectangle" Grid.Column="1" ToolTip="Draw Rectangle" Margin="5"> <Image Width="80" Height="80"> <Image.Source> <DrawingImage> <DrawingImage.Drawing> <GeometryDrawing Brush="LightGray"> <GeometryDrawing.Geometry> <RectangleGeometry Rect="0,20,100,60" /> </GeometryDrawing.Geometry> <GeometryDrawing.Pen> <Pen Brush="Gray" Thickness="3" /> </GeometryDrawing.Pen> </GeometryDrawing> </DrawingImage.Drawing> </DrawingImage> </Image.Source> </Image> </Button> </Window>