A Rectangle cannot support child objects. If you want a rectangular region that contains other objects, you can use a Canvas. You can also use a composite geometry, but in this case you would probably use RectangleGeometry rather than Rectangle. For details about how to create composite geometries, see Geometries.

The fill for a Rectangle or any other shape that has a fill area does not have to be a solid color. It can be any Brush, including ImageBrush or VideoBrush. For more information, see Brushes.

The following example shows how to create a Rectangle.

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<Canvas>  
     
  <Rectangle Width="100" Height="100" Fill="Blue" Stroke="Red" 
   Canvas.Top="20" Canvas.Left="20" StrokeThickness="3" />

</Canvas>

For a list of the operating systems and browsers that are supported by Silverlight, see Supported Operating Systems and Browsers.

Reference

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