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NTPort Library
Version 2.8 Release Date: Febuary 13, 2008

Windows 95, Windows 98, Windows ME, Windows NT 3.5/4.0, Windows 2000, Windows XP (x86/x64 edition), Windows Server 2003(x86/x64 edition), Windows Vista(x86/x64 edition), Windows 7(x86/x64 edition)

NTPort Library
enables your Win32 applications to real-time direct access to PC I/O ports without using the Windows Drivers Development Kit(DDK).

NTPort Library is easy to use. Under Windows NT/2000/XP/Server 2003/Vista/Windows 7, NTPort Library driver can be load and unload dynamically, so you need not any configuration. Merge module for Windows Installer is provided for easy deploymen. We also provide a stand-alone driver setup program for end user.

NTPort Library is also an ideal replacement of old BASIC INP or OUT statement.

This tool also supports getting the base addresses of LPT ports.

NTPort Library is provided as standard DLL, so it can be used in almost all of programming languages. Visual Basic(VB), Visual Basic.NET, Visual C#, Visual C+, Delphi, Delphi for .NET, C++ Builder, C#Builder, Java(JBuilder & Eclipse) , and PowerBASIC samples are included. Matlab, Borland C++, Visual Fortran, Visual J++, FreeBASIC, ActiveTCL(TCL/TK), InstallShield and Setup Factory samples are available for download.

Download full-feature evaluation version here!

Enables your Win32 application to real-time direct access to PC I/O ports!

We recommend some books which will help you understand how to use NTPort Library to interface with your hardware devices.

Main functions:

  • Read port I/O: Inport, InportD, InportW, Inp, InpD, InpW.
  • Write port I/O: Outp, Outpd, Outpw, Outport, OutportD, OutportW.
  • LPT ports support: GetLPTPortAddress.
  • Fast mode access: EnablePorts, DisablePorts, SetFastMode, GetFastMode.
  • Miscellaneous functions: IsWinNT, IsWin64, GetLastState, LicenseInfo, GetNTPortVersion.
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