一个简单的VB界面程序,包括按钮,文本等,此程序是一个CanOpen通讯的上位机界面,通过提供的接口函数,进行数据的接收和发送.希望对学习VB的有所帮助.-A simple VB interface procedures, including buttons, text, etc., this program is a PC CANOpen communication interface, by providing the interface function, to receive and t