Containers Silverlight

    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'>

                         Height="100" Width="150"
                VerticalAlignment="Top"
                HorizontalAlignment="Left"
                Margin="5,15,0,0"/>
                         Height="100" Width="150"
                VerticalAlignment="Center"
                HorizontalAlignment="Center"
                Margin="0,0,0,0"/>
                         Height="100" Width="150"
                VerticalAlignment="Bottom"
                HorizontalAlignment="Right"
                Margin="0,0,10,10"/>