[Bug 50488] New: SHMessageBoxCheck returns impossible values
WineHQ Bugzilla
wine-bugs at winehq.org
Tue Jan 12 02:33:11 CST 2021
https://bugs.winehq.org/show_bug.cgi?id=50488
Bug ID: 50488
Summary: SHMessageBoxCheck returns impossible values
Product: Wine
Version: unspecified
Hardware: x86-64
OS: Linux
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: shlwapi
Assignee: wine-bugs at winehq.org
Reporter: meandyouftw at gmail.com
Distribution: ---
The implementation of shlwapi.dll!SHMessageBoxCheck is returning incorrect
values.
My Windows app's implementation was simply:
==
int nUserAnswer = SHMessageBoxCheck(hWnd, strQuestion.GetString(),
GetAppName(), MB_YESNO, IDNO, L"guid"));
==
On the latest WINE builds from both Stable and Development, SHMessageBoxCheck
is returning IDOK (0x1) and IDCANCEL (0x7) for YES and NO, respectively.
Understandably, chaos ensued.
This should be a clear code bug, but the repro I used was:
* download PalMod from
https://zachd.com/palmod/releases/obsolete/PalMod-1.68.rar
* extract all files and open PalMod
* open any file with File :: Load ROM By Game :: Developer Mode :: Unknown Game
Mode
* change the palette in the palette view, then attempt to switch to a different
palette using the combo boxes
* PalMod now calls SHMessageBoxCheck, and the bogus returns from WINE's
implementation results in aberrant behavior
"wine --version" returns wine-3.6 (Ubuntu 3.6-1).
I'll be adding a work-around for this to current builds of PalMod (1.70beta15
and newer), but that's of course not the best way to fix this concern.
Thanks!
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