• ▼MSDN Library - April 2000
  • ▶Welcome to the MSDN Library
  • ▶Visual Studio 6.0 Documentation
  • ▶Office Developer Documentation
  • ▶Windows CE Documentation
  • ▶Platform SDK
  • ▶SDK Documentation
  • ▼DDK Documentation
    • About DDK Documentation
    • ▶Windows 95 DDK
    • ▶Windows 98 Driver Development Kit
    • ▶Windows 2000 Driver Development Kit
    • ▼Windows NT 4.0 DDK
      • ▶Legal Information
      • ▶Release Notes for V4.0
      • ▶Programmer's Guide
      • ▶Kernel-Mode Drivers
      • ▶Graphics Drivers
      • ▶Multimedia Drivers
      • ▶Network Drivers
      • ▼Virtual DOS Drivers
        • ▼Virtual Device Drivers for MS-DOS Applications or Special Hardware
          • ▶How to Provide Virtual Device Support
          • Modifying an MS-DOS Application or 16-bit Driver
          • ▼Writing a VDD
            • Registering the Driver (Not Required for Application-Based Intercepts)
            • VDD Initialization
            • I/O Ports
            • ▶Memory-Mapped I/O
            • Memory Access
            • ▶DMA
            • Register Manipulation
            • Interrupt Simulation
            • Hooking Callback Events
          • Summary
        • ▶VDD Functions
        • ▶VDD Structures
    • ▶Smart Card DDK
  • ▶Windows Resource Kits
  • ▶Knowledge Base
  • ▶Technical Articles
  • ▶Backgrounders
  • ▶Specifications
  • ▶Books
  • ▶Partial Books
  • ▶Periodicals
  • ▶Samples