采用VC++开发平台，创建显示数字钟的静态文本框。- Uses VC++ to develop the platform, the foundation demonstrates the digital clock s static text frame.

基于PC机与单片机的串口通信,用到了一个动态链接库和一个自定义消息. 掌握VC下串口编程式的方法,掌握动态库的静态调用及自定义消息. -PC and microcontroller-based serial communication, use of a dynamic link library and a custom message. To master VC and serial programming method, the static call to grasp the