Catel - Part 4 of n: Unit testing with Catel

<Windows:DataWindow x:Class="Catel.Windows.MultipleChoiceWindow"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
	xmlns:Controls="clr-namespace:Catel.Windows.Controls"
    xmlns:Windows="clr-namespace:Catel.Windows"
    MinWidth="400">

	<!-- Content -->
	<StackPanel DataContext="{Binding RelativeSource={RelativeSource AncestorType={x:Type Window}}}">
		<!-- Show choices -->
		<ListBox ItemsSource="{DynamicResource ChoiceCollection}" SelectedItem="{Binding SelectedChoice}"
				 BorderThickness="0" Margin="0">
			<ListBox.Resources>
				<Style x:Key="{x:Type ListBoxItem}" TargetType="{x:Type ListBoxItem}">
					<Setter Property="Template">
						<Setter.Value>
							<ControlTemplate>
								<Border Background="Transparent">
									<RadioButton Content="{Binding Header}"  
										IsChecked="{Binding RelativeSource={RelativeSource FindAncestor, AncestorType={x:Type ListBoxItem}}, Path=IsSelected}"/>
								</Border>
							</ControlTemplate>
						</Setter.Value>
					</Setter>
				</Style>
			</ListBox.Resources>
		</ListBox>

		<!-- Reason text -->
		<Controls:MultiLineInput Text="{Binding Choice}" IsEnabled="{Binding SelectedChoice.AllowCustomization}"/>
	</StackPanel>
</Windows:DataWindow>