碰到第二个问题：
   OpenByInterface.obj : error LNK2001: unresolved external symbol __imp__SetupDiDestroyDeviceInfoList@4
   OpenByInterface.obj : error LNK2001: unresolved external symbol __imp__SetupDiGetClassDevsA@16
   OpenByInterface.obj : error LNK2001: unresolved external symbol __imp__SetupDiGetDeviceInterfaceDetailA@24
   OpenByInterface.obj : error LNK2001: unresolved external symbol __imp__SetupDiEnumDeviceInterfaces@20
   Release/TestCCDeath.exe : fatal error LNK1120: 4 unresolved externals
   执行 link.exe 时出错.
   TestCCDeath.exe - 1 error(s), 0 warning(s)
   解决方法：#pragma comment(lib,"setupapi")