diff options
| -rw-r--r-- | utils/winmm_drv/src/winmm_drv.cpp | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/utils/winmm_drv/src/winmm_drv.cpp b/utils/winmm_drv/src/winmm_drv.cpp index 09f38d2..6ebc391 100644 --- a/utils/winmm_drv/src/winmm_drv.cpp +++ b/utils/winmm_drv/src/winmm_drv.cpp @@ -303,9 +303,14 @@ LONG OpenDriver(Driver *driver, UINT uDeviceID, UINT uMsg, DWORD_PTR dwUser, DWO driver->clients[clientNum].flags = HIWORD(dwParam2); driver->clients[clientNum].callback = desc->dwCallback; driver->clients[clientNum].instance = desc->dwInstance; - *(LONG *)dwUser = clientNum; + + if(dwUser) + *(LONG *)dwUser = clientNum; + driver->clientCount++; + DoCallback(uDeviceID, clientNum, MOM_OPEN, (DWORD_PTR)NULL, (DWORD_PTR)NULL); + return MMSYSERR_NOERROR; } |