微软C# Serial Port编程实例-Base Class Library for RS232 Communications. Ref: Serial Comm: Use P/Invoke to Develop a .NET Base Class Library for Serial Device Communications John Hind, MSDN Magazine, Oct 2002. V1.3 Februa

c#下调用pcomm的一个实例，很好的解决的串口编程的各种问题-c# using pcomm.dll