一个重叠I/O串口类,用windows API实现，封装了打开串口、设置串口波特率、缓存、用重叠I/O发送、接收等功能。-A duplication of I/O serial type, the windows API to achieve, a package to open serial port, serial port baud rate settings, cache, and overlapping I/O to send, receive functions.

VC输入到Excel通信类代码,附详细的使用说明文档-There are times when we wish to send our output to an Excel file or some text delimited files like comma separated value file or tab delimited file. This class encapsulates the functions for reading and writing to these typ