How to use Checkbox in Silverlight

<UserControl x:Class="Checkbox_Test.Page"
xmlns="http://schemas.microsoft.com/client/2007"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
Width="400" Height="300">
<Canvas>
<CheckBox x:Name="testCheckBox" Canvas.Left="10" Canvas.Top="0" Content="This is a checkbox" Click="testCheckBox_Click" />
<CheckBox x:Name="testCheckBox2" Canvas.Left="10" Canvas.Top="20" Content="This is another checkbox" />
</Canvas>
</UserControl>