摘要
介绍了在WindowsNT操作系统中对I/O端口访问受限的基本原因,提出了一些解决办法.介绍了NTPortLibrary组件的使用方法,对NTPortLibrary组件中端口访问函数和过程在VB中的声明方法进行了说明.给出了一个在NT环境下对并行口端口操作的实例.
The elementary reason of limiting doing I/O ports in Windows NT operating system was described.Some solusions were given.The method of DLL file used in VB was described.A method of how to use NTPort Library component was presented.The declaration method about port access functions and procedures of NTPort Library components in VB was described.A case of accessing parallel ports in NT environment was given.
出处
《内蒙古大学学报（自然科学版）》
CAS
CSCD
北大核心
2004年第3期332-334,共3页
Journal of Inner Mongolia University：Natural Science Edition
