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The MCIWndSetVolume macro sets the volume level of an MCI device. You can use this macro or explicitly send the MCIWNDM_SETVOLUME message.
LONG MCIWndSetVolume(
hwnd,
iVol
);
Parameters
hwnd
Handle of the MCIWnd window.
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