title: WPF xaml, have child element inherit parent property
body: <p>I am trying to get a child element to inherit the color from it's parent Tab Item. So instead of having to set each background color individually I can just set the tabitem color and it will do the rest for me. I have tried many different things, but nothing works. In VS, with the code posted below, when I have the ScrollViewer selected and in the properties window click go to source in the background color binding, it highlights the tabitem background property, but the color does not change. Sorry, I've just started picking up xaml just the other day.</p>
  
  <pre><code> &lt;TabItem Name="PD" Header="Product Details" Background="#FFB5CFE2"  FontFamily="Vrinda" VerticalAlignment="Stretch" &gt;
              &lt;ScrollViewer VerticalScrollBarVisibility="Auto" MaxHeight="750" VerticalAlignment="Stretch" Margin="-4,-5,-4,-4" Background="{Binding Background, RelativeSource={RelativeSource Mode=FindAncestor,AncestorType=TabItem}}"&gt;....
  </code></pre>