VC++ 关机函数

BOOL CShutDownDlg::ShutDownWin(void)
{
    HANDLE hToken;
    TOKEN_PRIVILEGES tkp;

    // Get a token for this process.

    if (!OpenProcessToken(GetCurrentProcess(), TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken))
    return  FALSE;

    // Get the LUID for the shutdown privilege.

    LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,
    &tkp.Privileges[0].Luid);

    tkp.PrivilegeCount = 1;  // one privilege to set
    tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;

    // Get the shutdown privilege for this process.

    AdjustTokenPrivileges(hToken, FALSE, &tkp,  sizeof(TOKEN_PRIVILEGES), (PTOKEN_PRIVILEGES)NULL, NULL);

    if (GetLastError() != ERROR_SUCCESS)
    return FALSE;

    // Shut down the system and force all applications to close.

    if (!ExitWindowsEx(EWX_SHUTDOWN | EWX_FORCE, 0))
    return FALSE;

 return TRUE;
}