https://bugs.winehq.org/show_bug.cgi?id=27403
--- Comment #13 from Marcel Partap mpartap@gmx.net --- (In reply to Markus Amsler from comment #3)
mfc80u repeatedly calls SetWindowPos and makes the section header window each time 5 pixel smaller until its gone.
...mmh.. is there any possibility to hook insert a SetWindowPos() call to revert the effect? How did you find this?