Bind RelativeSource's AncestorType's Path


   
   


<StackPanel xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
            xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
            TextBlock.FontSize="12" >
    <StackPanel Orientation="Horizontal" HorizontalAlignment="Center">
        <TextBlock Text="{Binding RelativeSource={RelativeSource AncestorType={x:Type StackPanel}, AncestorLevel=2},Path=Orientation}" />

    </StackPanel>



</StackPanel>