// "接続"ボタン押下
void CFtpClientDlg::OnBnClickedBtnConnect()
{
    int        err = 0;
    
    UpdateData();
    OnBnClickedBtnDisconnect();
    
    try
    {
        m_iSessionP = new CInternetSession;
        m_ftpConP = m_iSessionP->GetFtpConnection
            (m_xvEditServer, m_xvEditUser, m_xvEditPass,
            INTERNET_INVALID_PORT_NUMBER, TRUE);
        Refresh();
    }
    catch (CInternetException *eP)
    {
        eP->ReportError();
        eP->Delete();

        if (m_ftpConP) m_ftpConP = NULL;
        if (m_iSessionP) {delete m_iSessionP; m_iSessionP = NULL;}
        err = 1;
    }
}

// "切断"ボタン押下
void CFtpClientDlg::OnBnClickedBtnDisconnect()
{
    UpdateData();
    if (m_ftpConP) m_ftpConP = NULL;
    if (m_iSessionP) {delete m_iSessionP; m_iSessionP = NULL;}
    
    while (m_xcList.DeleteString(0) != LB_ERR);
    m_xvEditCurDir = _T("");
    UpdateData(FALSE);
}

// 表示更新
void CFtpClientDlg::Refresh(void)
{
    int        err = 0, lbErr = 0;
    
    if (!err) if (!m_ftpConP) err = 1;
    if (!err)
    {
        CFtpFileFind    finder(m_ftpConP);
        CString         fileName;
        BOOL            bWorking = FALSE;
        
        // カレントディレクトリ取得
        m_ftpConP->GetCurrentDirectory(m_xvEditCurDir);
        UpdateData(FALSE);
        
        // ファイル一覧取得
        while (m_xcList.DeleteString(0) != LB_ERR);
        if ((bWorking = finder.FindFile()) == 0) err = 1;
        if (!err)
        {
            while (bWorking)
            {
                bWorking = finder.FindNextFile();
                fileName = finder.GetFileName();
                if (finder.IsDirectory()) fileName = _T("[D]") +fileName;
                lbErr = m_xcList.InsertString(-1, fileName);
                if (lbErr == LB_ERR || lbErr == LB_ERRSPACE) err = 1;
                if (err) break;
            }
        }
    }
    return;
}