如何发现智能设备中的存储卡以及使用完成后自动释放-How to find intelligent devices and the use of the memory card automatically released after the completion of

用VC++写的一个动态链接库，实现对接入电脑上的硬件设备的发现。开发环境VS2008-A dynamic link library written in VC++, the discovery of the access on the computer hardware. The development of environment VS2008