DRV_POWER
Notifies the
driver that power to the device is being turned on or off.
Parameters
dwDriverId
Identifier of
the installable driver. This is the same value previously returned by the
driver from the DRV_OPEN
hdrvr
Handle of the
installable driver instance.
Return Value
Returns
nonzero if successful or zero otherwise.
Remarks
The lParam1
and lParam2 parameters are not used.