Provided in a separate help file. Added documentation roadmap, documentation conventions, and instructions on how to navigate through the documentation.

Minor revisions to update version numbers, and so forth.

Highlights changes for this release.

Includes documentation for the new INF file format and the device installation functions provided by the Setupapi DLL. Driver debugging information has been updated and expanded.

Includes documentation for a variety of new features, routines, structures, IOCTLs, and so forth. The graphics material has been moved to the graphics driver manuals.

The Graphics Driver Design Guide provides design information about kernel-mode graphics drivers and user-mode spooler components that can be developed by IHVs.

The Graphics Driver Reference contains reference pages for GDI, DDI, the DirectDraw driver model, the videoport driver, video miniport drivers, and for all printer-related components that can be developed by an IHV.

Contains extensively revised introductory, MCI, audio, audio compression, and video capture chapters.

The Network Driver Design Guide has been completely rewritten.

The Network Driver Reference also has been completely rewritten.

This material has not changed for V4.0.

Code samples are now included in the online Help.

Contains new articles.