说明：  文件过滤驱动DOC详解，讲述了各种文件过滤及保护机制，IRP消息的传递，最后面还附了部分网络及其他类型过滤驱动简介。
(DOC, file system filter driver, explain about file filtering and protection mechanisms, the IRP message passing, the final surface is also attached to the Introduction of a part of the network and other types of filter driver.)