可以读取CPU的物理序列号，硬盘物理序列号以及网卡的MAC地址，试验过没问题，VC++6.0环境-Can read the serial number of physical CPU, hard disk physical serial number and MAC address of network card, no problem tested, VC++6.0 environment

获得主板ID,硬盘物理ID,网卡物理地址的DLL(Access to the motherboard ID, hard disk physical ID, network card physical address of DLL)