Bind RelativeSource's AncestorType
<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="This TextBlock is inside a StackPanel with " /> <TextBlock Text="{Binding RelativeSource={RelativeSource AncestorType={x:Type StackPanel}}, Path=Orientation}" /> <TextBlock Text=" orientation" /> </StackPanel> </StackPanel>