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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 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.

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