https://git.reactos.org/?p=reactos.git;a=commitdiff;h=8ca854251a89f45a90db8f60f607a477e7e8dbde
commit 8ca854251a89f45a90db8f60f607a477e7e8dbde Author: Katayama Hirofumi MZ <[email protected]> AuthorDate: Tue Jan 15 13:45:28 2019 +0900 Commit: GitHub <[email protected]> CommitDate: Tue Jan 15 13:45:28 2019 +0900 [WIN32SS][NTUSER] Don't freeze Task Bar in switching the app (#1243) This avoids taskbar hung up. --- win32ss/user/ntuser/simplecall.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/win32ss/user/ntuser/simplecall.c b/win32ss/user/ntuser/simplecall.c index 67377de4a8..7cd2c8490d 100644 --- a/win32ss/user/ntuser/simplecall.c +++ b/win32ss/user/ntuser/simplecall.c @@ -515,6 +515,11 @@ NtUserCallTwoParam( { break; } + if (MsqIsHung(Window->head.pti)) + { + // TODO: Make the window ghosted and activate. + break; + } if (fAltTab) { if (Window->style & WS_MINIMIZE)
