Windows 2000下一个WDM驱动的简单范例，包括驱动和应用程序。虽然驱动程序仅仅是读取一个字符串，但是麻雀虽小，但是五脏俱全，强烈推荐学习WDM编程的初学者通过这个简单的范例搞清楚驱动程序最简单的结构-A simple WDM Driver example for Windows 2000 including driver and test programs.Its function is only to read a string,but it includes all aspacts about WDM driver.A green WDM learner can understand the driver struct by studying this example.