说明: RS-232-C端口实时监控软件的设计实现 多线程技术在VC++串口通信程序中的应用研究 用VC6实现串行通信的三种方法 在基于单文档程序中应用MSCOMM串口通讯控件 (RS-232-C port real-time monitoring software design multi-threading technology in VC serial communication procedures for the application of research VC6 realization of the three serial communication methods based on single-file procedures MSCOMM Application Serial Communication Control)