可以用VB打开工程.直接查看U盘序列号.和MD5加密-VB can be used to open the project. Direct Show U disk serial number. And MD5 encryption

一个与USB硬件有关的DLL类，适用于VB环境，用这个类可以获取USB磁盘设备的硬件信息，比如驱动器序号、U盘ID序号、产品名称、制造商、驱动器等信息，有兴趣的朋友下载一试。 -A DLL with the USB hardware-related classes for VB environment, with this class can get USB disk device hardware information, such as the drive serial number,

vb的usb通讯样例，已验证，喜欢的可以-The usb communication vb sample, like can look at