Anteckning
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The acmDriverClose function closes a previously opened ACM driver instance. If the function is successful, the handle is invalidated.
Syntax
MMRESULT ACMAPI acmDriverClose(
HACMDRIVER had,
DWORD fdwClose
);
Parameters
had
Handle to the open driver instance to be closed.
fdwClose
Reserved; must be zero.
Return value
Returns zero if successful or an error otherwise. Possible error values include the following.
| Return code | Description |
|---|---|
|
The driver is in use and cannot be closed. |
|
At least one flag is invalid. |
|
The specified handle is invalid. |
Requirements
| Requirement | Value |
|---|---|
| Minimum supported client | Windows 2000 Professional [desktop apps only] |
| Minimum supported server | Windows 2000 Server [desktop apps only] |
| Target Platform | Windows |
| Header | msacm.h |
| Library | Msacm32.lib |
| DLL | Msacm32.dll |