auxOutMessage

  MMRESULT auxOutMessage(wDeviceID, msg, dwParam1, dwParam2)    
  UINT wDeviceID;    
  UINT msg;    
  DWORD dwParam1;    
  DWORD dwParam2;    

The auxOutMessage function sends a message to an auxiliary output device. It also performs error checking on the device ID passed.

Parameters

wDeviceID

Identifies the auxiliary output device to be queried. Specify a valid device ID (see the following comments section), or use the following constant:

AUX_MAPPER

Auxiliary audio mapper. The function will return an error if no auxiliary audio mapper is installed.

msg

The message to send.

dwParam1

Parameter 1.

dwParam2

Parameter 2.

Return Value

Returns the value returned from the driver.