本文详细介绍了VB 在计算机测控系统中对硬件I/O 端口访问的两种方法,并给出了用VB 开发数据采集系统的实例。关键词:端口;DLL;bstract:This article introduces two methods of using VB to visit I/O ports of hardware in computer measurement and control system,and provides an example of using VB to develop data collection soft.Keywords: port;DLL;
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