ACM_Open

Device open routine

Syntax

PVOID ACM_Open(DWORD dwData, DWORD dwAccess,
DWORD dwShareMode)

Parameters

dwData

Value returned from ACM_Init call (ignored)

dwAccess

Requested access (combination of GENERIC_READ and GENERIC_WRITE) (ignored)

dwShareMode

Requested share mode (combination of FILE_SHARE_READ and FILE_SHARE_WRITE) (ignored)

Return Value

Returns a DWORD which will be passed to Read, Write, etc or NULL if unable to open device.