USB通信编程，获取USB设备信息，如果编译不通过，你需要下载NTDDK中的hidsdi.h 和 hid.lib文件等。-USB communication programming，get the USB devices informateion ,if there have link errors,you have to download the header files hidsdi. H, the library file hid. Lib,etc in the NTDDK.

实现在windows，Linux，嵌入式Linux下的文件读，写，删除，更新，获取文件信息，LINUX下的文件压缩解压等文件操作-File operations to achieve in the windows, Linux, Embedded Linux file read, write, delete, update, get the file information, file under Linux codecs

一个可以获取文件属性信息的小东东。VB源码。-One can access the file attribute information of the small east. VB source code.