https://bugs.winehq.org/show_bug.cgi?id=48832
--- Comment #4 from Dmitry Timoshkov dmitry@baikal.ru --- (In reply to Alistair Leslie-Hughes from comment #3)
Created attachment 66753 [details] Possible Solution
Can you please try the attached patch?
Adding FILE_FLAG_OVERLAPPED doesn't make sence, also you probably should try to translate pmmioinfo->dwFlags in a similar way like OpenFile() does it.