[Bug 22369] A child window without WS_EX_MDICHILD style should not be tiled by the WM_MDITILE message.

http://bugs.winehq.org/show_bug.cgi?id=22369

--- Comment #11 from Dmitry Timoshkov   2010-04-17 05:43:11 ---
(In reply to comment #10)
> > Once again, how do you know what is the exact source of the problem with that
> > application? And what is the reason you think that the source is not right?
>
> All MDI child windows must be with WS_EX_MDICHILD style.
>
> Do you understand?

More details please, so far this bug looks more like a speculation.