acmDriverClose  LHU2UT 

The acmDriverClose function closes a previously opened ACM driver instance. If the function is successful, the handle is invalidated.

MMRESULT acmDriverClose(

    HACMDRIVER had,

 

    DWORD fdwClose

 

   );

 

 

Parameters

had

Handle of the open driver instance to be closed.

fdwClose

Reserved; must be zero.

 

Return Values

Returns zero if successful or an error otherwise. Possible error values include the following:

ACMERR_BUSY

The driver is in use and cannot be closed.

MMSYSERR_INVALFLAG

At least one flag is invalid.

MMSYSERR_INVALHANDLE

The specified handle is invalid.