nf-msacm-acmdriverclose.md

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NF:msacm.acmDriverClose	acmDriverClose function (msacm.h)	The acmDriverClose function closes a previously opened ACM driver instance. If the function is successful, the handle is invalidated.	_win32_acmDriverClose acmDriverClose acmDriverClose function [Windows Multimedia] msacm/acmDriverClose multimedia.acmdriverclose	multimedia\acmdriverclose.htm	Multimedia	f756c11d-54a7-4238-8a99-4263a6c36109	12/05/2018	_win32_acmDriverClose, acmDriverClose, acmDriverClose function [Windows Multimedia], msacm/acmDriverClose, multimedia.acmdriverclose	msacm.h		Windows	Windows 2000 Professional [desktop apps only]	Windows 2000 Server [desktop apps only]										Msacm32.lib	Msacm32.dll		Windows			19H1	acmDriverClose msacm/acmDriverClose	c++	APIRef kbSyntax	DllExport	Msacm32.dll Ext-MS-Win-mm-msacm-l1-1-0.dll	acmDriverClose

acmDriverClose function

-description

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

-parameters

-param had

Handle to the open driver instance to be closed.

-param fdwClose

Reserved; must be zero.

-returns

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

Return code	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.

-see-also

Audio Compression Functions

Audio Compression Manager