>>Thanks for your reply.
>>
>>I am also running the sample you provide for the Tab docks of windows
>>
>>It seems the user is able to drag out but not drag in ?
>
>I guess it depends on a user. :) I can undock and dock windows by dragging them.

Yes of course we are able to dock a dockable window
But my question was how did we drop them to get the tab dock
done with your sample

oF2.Dock(4, oF1)

Tks