说明：  VB串口通信数据采集VB串口通信数据采集前两天受人之托写的一个程序，发上来共享，从中 看到串口通信的常用处理方式，希望对大家有所帮助。
(VB serial communication data collected by the person asked to write a program two days before the VB serial communication data acquisition, share issued up used for serial communication, from which you can see, we want to help.)