<Canvas xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation">

    <Path Stroke="Blue">
        <Path.Data>
		<GeometryGroup>
			<GeometryGroup.Children>
			    <GeometryCollection>
				<LineGeometry StartPoint="10,10" EndPoint="10,100"/>
				<LineGeometry StartPoint="10,100" EndPoint="100,100"/>
				<LineGeometry StartPoint="100,100" EndPoint="100,10"/>
				<LineGeometry StartPoint="100,10" EndPoint="10,10"/>
		    	    </GeometryCollection>
			</GeometryGroup.Children>
		</GeometryGroup>
        </Path.Data>
    </Path>
    
    <Path Stroke="Black">
        <Path.Data>
		<GeometryGroup>
		    <GeometryCollection>
			<LineGeometry StartPoint="20,20" EndPoint="20,200"/>
			<LineGeometry StartPoint="20,200" EndPoint="200,200"/>
			<LineGeometry StartPoint="200,200" EndPoint="200,20"/>
			<LineGeometry StartPoint="200,20" EndPoint="20,20"/>
		    </GeometryCollection>
		</GeometryGroup>
        </Path.Data>
    </Path>

    <Path Stroke="Red">
        <Path.Data>
		<GeometryGroup>
	    		<LineGeometry StartPoint="30,30" EndPoint="30,250"/>
			<LineGeometry StartPoint="30,250" EndPoint="250,250"/>
			<LineGeometry StartPoint="250,250" EndPoint="250,30"/>
			<LineGeometry StartPoint="250,30" EndPoint="30,30"/>
		</GeometryGroup>
        </Path.Data>
    </Path>
    
</Canvas>

