MCIWNDM_GETDEVICEID
The MCIWNDM_GETDEVICEID message retrieves the identifier of the currently open MCI device to use with the mciSendCommand function. You can send this message explicitly or by using the MCIWndGetDeviceID macro.
MCIWNDM_GETDEVICEID
wParam = 0;
lParam = 0;
Return Values
Returns the device identifier.
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