vb直接读写硬盘的扇区。硬盘和u盘都可以。-vb read and write directly to the hard disk sectors. The hard drive and u can drive.

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,

基于vb的U盘身份认证，防止软件被拷贝或被盗用。-Vb U-disk-based authentication to prevent software being copied or stolen