MCIWNDM_SETVOLUME
The MCIWNDM_SETVOLUME message sets the volume level of an MCI device. You can send this message explicitly or by using the MCIWndSetVolume macro.
MCIWNDM_SETVOLUME
wParam = 0;
lParam = (LPARAM) (UINT) iVol;
Parameters
iVol
New volume level. Specify 1000 for normal volume level. Specify a higher value for a louder volume or a lower value for a quieter volume.
Return Values
Returns zero if successful or an error otherwise.
Requirements
** Windows NT/2000/XP:** Included in Windows NT 3.1 and later.
** Windows 95/98/Me:** Included in Windows 95 and later.
** Header:** Declared in Vfw.h.
See Also