VB版的串口设置程序公用对话框，使用了windows的控件，edldlg32.ocx。通过这个对话框我们可以了解到需要设置的端口号、波特率、数据位、奇偶校验、数据流控制，停止位等。-VB version of the serial port setup common dialog box, use the windows controls, edldlg32.ocx. Through this dialog box we can understand the need to set the port number, baud rate, data bits, parity, data flow control, stop bits and so on.