利用VB写的多线程通讯工具，可以很好的解决串口通讯数据量巨大时阻塞的问题，而且对学习怎样用vb写多线程有很大的帮助-VB write multi-threaded communication tools, can solve serial data communications at a huge obstruction to the problem, but learning how to use Visual Basic to write multithreaded be of great