这个是一个vb编的GPS程序的源代码，呵呵希望对大家会有所帮助！-this a vb series of the GPS program s source code, as long as you will want to help! -This is a series of GPS procedures vb source code,呵呵hope will be helpful to everyone!-this a vb series of the GPS program s source

在IFIX组态软件中,采用VB编写GPRS通讯程序,与支持MODBUS协议的PLC进行数据通讯.-In IFIX configuration software, using VB, GPRS communication procedures, and support of MODBUS protocol PLC data communication.