1.  Drawing an Rectangle   
2.  Rectangles and Animation   
3.  Rotating a Rectangle Animation   
4.  Rendering Rectangles with Path Objects   
5.  Rendering Rectangles with Line Objects   
6.  Rectangles with a Shadow Effect   
7.  Rectangles with RectangleGeometry   
8.  Define a rectangle   
9.  Rectangles with Linear Gradients   

10.  Add an outline to the rectangle   
11.  Set rectangle Stroke Dash Array   
12.  This rectangle is painted with a diagonal linear gradient   
13.  This rectangle is painted with a horizontal linear gradient   
14.  This rectangle is painted with a vertical gradient   
15.  This rectangle is painted with a radial gradient   
16.  One pixel horizontal line drawn as a rectangle   
17.  Overlapping Rectangles   
18.  A square that has been rotated by 30 degrees   
19.  A square that has been scaled by a magnitude of 2.5   
20.  A Rectangle that has been skewed by 18 degrees   
21.  A basic Rectangle   
22.  A Rectangle with rounded corners   
23.  A rectangle with curved corners   
24.  Fill rectangle with Rectangle.Fill tag and LinearGradientBrush   
25.  Rectangle.Fill with ImageBrush   
26.  Adding Rectangle to StackPanel   
27.  Create rectangles in WPF.   