：介绍了GPIB设备通讯的特点和Agilent IO Libraries的Windows API函数，论述了 Agilent IO Libraries中有关Windows API通讯函数的调用方法和在Delphi环境实现调用 W indows DLL 的编程方法．,: GPIB devices communicate features and Agilent IO Libraries Windows API function, discusses the calls to the Windo