MM_MCISIGNAL

The MM_MCISIGNAL message is sent to a window to notify an application that an MCI device has reached a position defined in a previous signal (MCI_SIGNAL) command.

MM_MCISIGNAL 
wParam = (WPARAM) wID      
lParam = (LONG) lUserParm  
 

Parameters

wID

Identifier of the device initiating the signal message.

lUserParm

Value passed in the dwUserParm member of the MCI_DGV_SIGNAL_PARAMS structure when the signal command has defined this callback function. Alternatively, it might contain the position value.

QuickInfo

  Windows NT: Requires version 3.1 or later.
  Windows: Requires Windows 95 or later.
  Windows CE: Unsupported.
  Header: Declared in mmsystem.h.

See Also

MCI Overview, MCI Messages, signal, MCI_SIGNAL