WPF Geometry and 2D Drawing

<Window x:Class="WpfApplication15.MainWindow"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
Title="MainWindow" Height="550" Width="525">
<Grid>
<StackPanel>
<Line X1="30" Y1="30" X2 ="180" Y2="30"  
Stroke="Blue" StrokeThickness="2"/>
<Path Stroke="Blue" StrokeThickness="2">
	<Path.Data>
		<LineGeometry StartPoint="60 60" EndPoint="280 60"/>
	</Path.Data>
</Path>
 
<Rectangle Fill="Gray" Stroke="Blue" StrokeThickness="2"  
Width="10" Height="20" Margin="10"/>
 
<Path Fill="Gray" Stroke="Blue" StrokeThickness="2" Margin="10">
	<Path.Data>
		<RectangleGeometry Rect="280,20,10,20" />
	</Path.Data>
</Path>
 
<Ellipse Fill="Gray" Stroke="Blue" StrokeThickness="2" 
		Width="10" Height="20"/>
 
<Path Fill="Gray" Stroke="Blue" StrokeThickness="2">
	<Path.Data>
		<EllipseGeometry  RadiusX="5" RadiusY="10"  
                Center="280,20"/>
	</Path.Data>
</Path>
<Path Fill="LightGray" Stroke="Blue" StrokeThickness="2">
	<Path.Data>
		<GeometryGroup FillRule="Nonzero">
			<EllipseGeometry RadiusX="50" RadiusY="50" 
                    Center="120,120"/>
			<EllipseGeometry RadiusX="30" RadiusY="30" 
                    Center="120,120"/>
			<EllipseGeometry RadiusX="10" RadiusY="10" 
                    Center="120,120"/>
		</GeometryGroup>
	</Path.Data>
</Path>
</StackPanel>
</Grid>
</Window>

reference : Practical WPF Graphics Programming