// 고정키 막기
        // 백업     
    m_dwStickyKey.cbSize = sizeof(STICKYKEYS);
    m_dwStickyKey.dwFlags = 0;
    SystemParametersInfo( SPI_GETSTICKYKEYS, sizeof(STICKYKEYS), &m_dwStickyKey, 0 );
    m_dwStickyKeysFlagBackup = m_dwStickyKey.dwFlags;
        // 설정
    if( (m_dwStickyKeysFlagBackup & SKF_STICKYKEYSON) == 0 )
    {
        m_dwStickyKey.dwFlags &= ~(SKF_CONFIRMHOTKEY | SKF_HOTKEYACTIVE);
        SystemParametersInfo( SPI_SETSTICKYKEYS, sizeof(STICKYKEYS), &m_dwStickyKey, 0 );
    }
    // 필터키 막기
        // 백업
    m_dwFilterKey.cbSize = sizeof(FILTERKEYS);
    m_dwFilterKey.dwFlags = 0;
    SystemParametersInfo( SPI_GETFILTERKEYS, sizeof(FILTERKEYS), &m_dwFilterKey, 0 );
    m_dwFilterKeysFlagBackup = m_dwFilterKey.dwFlags;
        // 설정
    if( (m_dwFilterKeysFlagBackup & FKF_FILTERKEYSON) == 0 )
    {
        m_dwFilterKey.dwFlags &= ~(FKF_CONFIRMHOTKEY | FKF_HOTKEYACTIVE);
        SystemParametersInfo( SPI_SETFILTERKEYS, sizeof(FILTERKEYS), &m_dwFilterKey, 0 );
    }
    // 토글키 막기
        // 백업
    m_dwToggleKey.cbSize = sizeof(TOGGLEKEYS);
    m_dwToggleKey.dwFlags = 0;
    SystemParametersInfo( SPI_GETTOGGLEKEYS, sizeof(TOGGLEKEYS), &m_dwToggleKey, 0 );
    m_dwToggleKeysFlagBackup = m_dwToggleKey.dwFlags;
        // 설정
    if( (m_dwToggleKeysFlagBackup & TKF_TOGGLEKEYSON) == 0 )
    {
        m_dwToggleKey.dwFlags &= ~(TKF_CONFIRMHOTKEY | TKF_HOTKEYACTIVE);
        SystemParametersInfo(SPI_SETTOGGLEKEYS, sizeof(TOGGLEKEYS), &m_dwToggleKey, 0);
    }

    // 고정키 복구
    if( (m_dwStickyKeysFlagBackup & SKF_STICKYKEYSON) == 0 )
    {
        m_dwStickyKey.dwFlags = m_dwStickyKeysFlagBackup;
        SystemParametersInfo( SPI_SETSTICKYKEYS, sizeof(STICKYKEYS), &m_dwStickyKey, 0 );
    }
    // 필터키 복구
    if( (m_dwFilterKeysFlagBackup & FKF_FILTERKEYSON) == 0 )
    {
        m_dwFilterKey.dwFlags = m_dwFilterKeysFlagBackup;
        SystemParametersInfo( SPI_SETFILTERKEYS, sizeof(FILTERKEYS), &m_dwFilterKey, 0 );
    }
    // 토글키 복구
    if( (m_dwToggleKeysFlagBackup & TKF_TOGGLEKEYSON) == 0 )
    {
        m_dwToggleKey.dwFlags = m_dwToggleKeysFlagBackup;
        SystemParametersInfo(SPI_SETTOGGLEKEYS, sizeof(TOGGLEKEYS), &m_dwToggleKey, 0);
    }