利用并口控制IO，VB写的程序，很适用，需要的朋友可以下载,Parallel port to control the use of IO, VB written procedures, it is applicable, a friend in need can be downloaded

操作并口的inpout32.dll类库,包括所有源代码，以及调用类库的vb、vc、borland c 的测试代码-Operating parallel interface the inpout32.dll class library, including all source code, and calls the class library vb, vc, the Borland c test code

vb做的并口热敏打印机程序,主要是简单方便，不用买昂贵的打印机了-vb do parallel port thermal printer program mainly simple and convenient, do not have to buy expensive printer