private void connect_Click(object sender, EventArgs e)
        {
            OnResponse("Verbinden...");
            m_ftp = new FTP(server.Text);
            m_ftp.ResponseReceived += new FTPResponseHandler( _
              m_ftp_ResponseReceived);
            m_ftp.Connected += new FTPConnectedHandler(m_ftp_Connected);
            m_ftp.Verbinden(user.Text, password.Text);
        }
 
        void m_ftp_Connected(FTP source)
        {
            // when this happens we're ready to send command
            OnResponse("Verbunden.");
        }
 
        void m_ftp_ResponseReceived(FTP source, FTPResponse Response)
        {
            OnResponse(Response.Text);
        }
 
        private void OnResponse(string response)
        {
            if (this.InvokeRequired)
            {
                this.Invoke(new StringDelegate(OnResponse), new object[] { _
                  response } );
                return;
            }
            ListViewItem item = new ListViewItem(new string[] { _
              DateTime.Now.ToShortTimeString(), response });
            status.Items.Insert(0, item);
            status.Columns[1].Width = -1;
        }