acmDriverOpen
The acmDriverOpen
function opens the specified ACM driver and returns a driver instance handle
that can be used to communicate with the driver.
MMRESULT acmDriverOpen(
|
LPHACMDRIVER phad, |
|
|
HACMDRIVERID hadid, |
|
|
DWORD fdwOpen |
|
|
); |
|
Parameters
phad
Address that
will receive the new driver instance handle that can be used to communicate
with the driver.
hadid
Handle of the
driver identifier of an installed and enabled ACM driver.
fdwOpen
Reserved;
must be zero.
Return Values
Returns zero
if successful or an error otherwise. Possible error values include the
following:
|
MMSYSERR_INVALFLAG |
At least
one flag is invalid. |
|
MMSYSERR_INVALHANDLE |
The
specified handle is invalid. |
|
MMSYSERR_INVALPARAM |
At least
one parameter is invalid. |
|
MMSYSERR_NOMEM |
The system
is unable to allocate resources. |
|
MMSYSERR_NOTENABLED |
The driver
is not enabled. |