void CProject1Dlg::OnButtonDisc()
{
 // TODO: Add your control notification handler code here
 CFTPConnectDlg cDlg;
 m_pConnection->Close();
 delete m_pConnection;
 m_pConnection = NULL;
 m_ctrFTPServer.DeleteAllItems();
  GetDlgItem(IDC_BUTTON_FTP_UPDIR)->EnableWindow(FALSE);
  GetDlgItem(IDC_EDIT_FTPDIR)->EnableWindow(FALSE);
  GetDlgItem(IDC_BUTTON_DOWNLOAD)->EnableWindow(FALSE);
  GetDlgItem(IDC_BUTTON_UPLOAD)->EnableWindow(FALSE);
  GetDlgItem(IDC_BUTTON_DISC)->EnableWindow(FALSE);
  m_strFTPServerInfo = _T("연결안됨");
 UpdateData(FALSE);
 
}