//关机//一、system#include
     
      system("shutdown -t 10");//-s 关机    -r 重启        -t 10 10秒后关机    -1 注销        -a 取消关机//二、HANDLE hToken;TOKEN_PRIVILEGES tkp;if (OpenProcessToken(GetCurrentProcess(), TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken)){    MessageBox(NULL, _T("关机啦"), _T("M"), MB_ICONEXCLAMATION);    LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME, &tkp.Privileges[0].Luid);    tkp.PrivilegeCount = 1;    tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;    AdjustTokenPrivileges(hToken, FALSE, &tkp, 0, (PTOKEN_PRIVILEGES)NULL, 0);    ExitWindowsEx(EWX_SHUTDOWN | EWX_POWEROFF, 0);}