DRV_LOAD
Notifies the
driver that it has been loaded. The driver should make sure that any hardware
and supporting drivers it needs to function properly are present.
Parameters
The hdrvr
parameter is always zero. The dwDriverId, lParam1, and lParam2
parameters are not used.
Return Value
Returns
nonzero if successful or zero otherwise.
Remarks
The DRV_LOAD
message is always the first message that a device driver receives.