对Windows环境下,使用C++ Builder编译平台实现RS-232串行通信的方法进行研究,分析比较了三种方法,并例举了在导航系统可视化仿真软件的开发设计中TComm方法的应用。-On the Windows environment, using C++ Builder compiler platform RS-232 serial communication method of research, analysis and comparison of three methods, and examples of navigation systems in the visual simulation software development design TComm method applications.