通过获取文件属性,自动删除不想要的文件,这在各种资料接收系统中非常有用,可以避免文件太多使硬盘空间不够-through access to file attributes, automatic deletion of unwanted documents, which the various information systems to receive a very useful document avoided so much hard disk space enough

能够精确得到物理磁盘序列号，获取磁盘的大小与对应分区个数，区分是usb还是和本地硬盘-Can accurately be physical disk serial number, get the size of the disk partition and the corresponding number, and the distinction between a local hard disk or usb

基于VB，实现获取硬盘序列号的程序，还可以加密解密。-Based on VB, to achieve access to the hard disk serial number of the procedures, can also encrypt and decrypt.