Written for advanced programmers who use C and C++, the second edition of this popular technical guide illustrates and clarifies real-world driver programming issues for current versions of Microsoft Windows. The author offers a solid overview of the Windows Driver Model (WDM) architecture and breaks down the process of writing custom device drivers into manageable pieces from the basics of loading device drivers to creating and processing I/O request packets. This edition includes updated information about Windows XP, Windows 2000, and Windows Me, plus extensive practical examples, illustrations, and line-by-line analysis of code samples.