xxxxxxxxxx
<Image>
<Image.Source>
<DrawingImage>
<DrawingImage.Drawing>
<GeometryDrawing>
<GeometryDrawing.Pen>
<Pen Thickness="2" Brush="Black"/>
</GeometryDrawing.Pen>
<GeometryDrawing.Geometry>
<RectangleGeometry Rect="100,100,100,100"/>
</GeometryDrawing.Geometry>
</GeometryDrawing>
</DrawingImage.Drawing>
</DrawingImage>
</Image.Source>
</Image>