xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
Title="WPF" Height="200" Width="300">
LastChildFill="True">
IsChecked="True"/>
Content="Center" />
Content="Right" />
Content="Bold" />
Content="Italic" />
Content="Underline" />
this is a test