acmDriverClose

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 to 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.

Value Description
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.

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 Msacm.h.
  Library: Use Msacm32.lib.

See Also

Audio Compression Manager, Audio Compression Functions

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