Adding Rectangles to Canvas
<UserControl x:Class='SilverlightApplication3.MainPage' xmlns='http://schemas.microsoft.com/winfx/2006/xaml/presentation' xmlns:x='http://schemas.microsoft.com/winfx/2006/xaml' xmlns:d='http://schemas.microsoft.com/expression/blend/2008' xmlns:mc='http://schemas.openxmlformats.org/markup-compatibility/2006' mc:Ignorable='d' d:DesignWidth='640' d:DesignHeight='480'> <Canvas x:Name="LayoutRoot" Background="White" > <Rectangle Height="170" Width="263" Fill="#FF515151" Stroke="#FF000000" RadiusY="18" RadiusX="18" Canvas.Top="65" Canvas.Left="64" x:Name="panel1"/> <Rectangle Height="170" Width="263" RadiusX="18" RadiusY="18" Fill="#FFA9A9A9" Stroke="#FF000000" Canvas.Left="373" Canvas.Top="325" x:Name="panel2"/> </Canvas> </UserControl>