[MSDN Library June 1998] 6.2.4 How to Pass IRPs with Valid Parameters on from a Dispatch Routine (81.5972222222222%)
MSDN Library Visual Studio 6.0 > DDK Documentation > Microsoft Windows NT 4.0 DDK > Kernel-Mode Drivers > Design Guide > Chapter 6 Dispatch Routines > 6.2 Basic Dispatch Routine Functionality