这个实例是基于对话框的MFC应用程序中应用MSComm控件编程实现COM1和COM2的串口控制。-This example is a dialog-based MFC application of application programming MSComm control serial control COM1 and COM2.

基于visual的mfc工程下的对话框，实现基于UDP协议下的通讯，可以实现工作组计算机之间的文字传输。(Based on visual, a dialog box under MFC project is implemented, which realizes communication based on UDP protocol. It can realize text transmission between workgroup computers.)