VB做的上位机通讯界面，灵活利用滚动条设置长度功能，并附带通讯协议，界面简洁美观，适合初学者学习开发-VB to do the host computer communication interface, flexible use of scroll bar to set the length function, and with the communication protocol, the interface is simple and beautiful, suitable for beg

Flat Scroll Bar 这个代码可以返回当前机子中的网卡的以太网地址(Flat Scroll Bar this code can be returned to the network card in the current machine Ethernet address)