98环境下读写计算机并口，串口的VB源程序简单好用功能强大。-98 environment to read and write the computer parallel port, serial port of the VB powerful easy-to-use source.

Controlling a 2x20 LCD display. VB6 This application is oriented to the LPT parallel port communications, the example written in visual basic 6.0 contains libraries IO.DLL, IO.BAS for the creation of the module.

vb 实现并口转串口的例子解决了串口不够用的问题-Vb realize parallel port to a serial port example solved the problem of the serial port is not enough use