个人不喜欢三方控件，用三方控件多了不利用提高自己的水平，这是一个串口读写的DLL，全API控制。不像控件功能强大，经测试还没出过问题。-Individuals do not like the three controls, with the tripartite control should not be used more to improve their level, this is a serial read and write the DLL, control of the whole