利用vc开发的串口通讯程序，目前串口上位机软件设计在现实应用中越来越多的应用，这个代码是网上偶然机会找到的，希望给大家的开发有所帮助-Serial communication program developed by vc serial PC software to design more and more applications in real-world applications, this code is found online chance, I hope to be helpful