DRV_CLOSE
Directs the driver to close the given instance. If no other instances are open, the driver should prepare for subsequent release from memory.
Parameters
-
dwDriverId
-
Identifier of the installable driver. This is the same value previously returned by the driver from the DRV_OPEN message.
-
hdrvr
-
Handle of the installable driver instance.
-
lParam1
-
32-bit value specified as the lParam1 parameter in a call to the DriverClose function.
-
lParam2
-
32-bit value specified as the lParam2 parameter in a call to the DriverClose function.
Return Value
Returns nonzero if successful or zero otherwise.
QuickInfo
Windows NT: Requires version 3.1 or later.
Windows: Requires Windows 95 or later.
Windows CE: Unsupported.
Header: Declared in mmsystem.h.