一个可以获取硬盘信息的控件。用带VFP下使用的例子，可以应用到软件中用于软件加密等。-A control of hard disk information can be gained. With VFP use examples, can be applied to the software used for software encryption, etc.

工具类，数据加密，MAC地址获取，硬盘ID获取等-Tools, data encryption, MAC address acquisition, and so hard to obtain ID