DRV_DISABLE
Disables the
driver. The driver should place the corresponding device, if any, in an
inactive state and terminate any callback functions or threads.
Parameters
hdrvr
Handle of the
installable driver instance.
Return Value
No return
value.
Remarks
The dwDriverId,
lParam1, and lParam2 parameters are not used.
After
disabling the driver, the system typically sends the driver a DRV_FREE