>Hi Barbara,
>
>I didn't follow this thread so I would comment on Lockscreen only. It works with VFP controls only. For ActiveX controls you can use LockWindowUpdate Win API. Something like

DECLARE INTEGER LockWindowUpdate IN Win32API;
> INTEGER hWnd
>* Assuming that it's called from inside TreeView
>= LockWindowUpdate(This.hWnd)
>* DO Whatever
>= LockWindowUpdate(0)
>

Now that's useful! Thanks Sergey!