Binding only part of the margin property of WPF control

Question

I have this:

...

I want to bind only the \"Top\" part of the TabContr

Answer 1

Ok it is old, but I was searching for a nicer way:

<TabControl>
    <TabControl.Margin>
        <Thickness Top="{Binding ElementName=TheMenu, Path=Height}" />
     </TabControl.Margin>
</TabControl>