VC++ 6.0做的一个串口通信程序，功能与串口调试助手类似。它可以实现两台电脑的串口之间或者一台电脑的两个串口之间互相收发数据。左上角可以通过下拉列表选择不同的串口，默认的是COM1，考虑到笔记本电脑上一般没有串口，用USB转RS-232转换器之后，其COM口一般不为COM1，所以在程序中不做死COM口而是可以在界面中选择COM口，单击“关闭串口”就停止数据的收发。“接收区”对接收到的数据进行显示，接收可以选择自动接收或手动接收，自动接收状态只有检测到有数据发过来就进行显示，不处于自动接收状态时单击“手动接收”就开始接收数据，再单击这个按钮就停止接收数据，清空接收区就把接收区的所显示的数据进行清空。对于要发送的数据，在“发送区”填写，单击“发送”就把发送区的数据发送出去，单击“清空发送区”就把发送区的数据清空。-VC++ 6.0 to do a serial communication program, function and serial debugging aids like. It can be achieved between the two computers or a computer serial port, two serial ports send and receive data between each other. The upper left corner by the drop-down list to select a different serial port, the default is COM1, taking into account the serial port on laptops generally do not use USB-RS-232 converter, the COM port is generally not as COM1, why not do in the program Death COM port but can select the COM port in the interface, click "Close serial port" to stop sending and receiving data. "Receiving area" dock to display the data received, the receiver can choose to automatically receive or manual reception, automatically receive the state data are issued only to detect over the conduct shows that is not in condition to automatically receive when you click "Manual Receive" began to receive data, and then click this button to stop receiving data, empty reception area put the reception