Opc.Ua.Client.SessionReconnectHandler.BeginReconnect C# (CSharp) Method

        public void BeginReconnect(Session session, int reconnectPeriod, EventHandler callback)
        {
            lock (m_lock)
            {
                if (m_reconnectTimer != null)
                {
                    throw new ServiceResultException(StatusCodes.BadInvalidState);
                }

                m_session = session;
                m_reconnectFailed = false;
                m_reconnectPeriod = reconnectPeriod;
                m_callback = callback;
                m_reconnectTimer = new System.Threading.Timer(OnReconnect, null, reconnectPeriod, reconnectPeriod);
            }
        }
        #endregion

        /// <summary>
        /// Updates the status control when a keep alive event occurs.
        /// </summary>
        void StandardClient_KeepAlive(Session sender, KeepAliveEventArgs e)
        {
            if (InvokeRequired)
            {
                BeginInvoke(new KeepAliveEventHandler(StandardClient_KeepAlive), sender, e);
                return;
            }
            else if (!IsHandleCreated)
            {
                return;
            }

            if (sender != null && sender.Endpoint != null)
            {
                ServerUrlLB.Text = Utils.Format(
                    "{0} ({1}) {2}",
                    sender.Endpoint.EndpointUrl,
                    sender.Endpoint.SecurityMode,
                    (sender.EndpointConfiguration.UseBinaryEncoding)?"UABinary":"XML");
            }
            else
            {
                ServerUrlLB.Text = "None";
            }

            if (e != null && m_session != null)
            {
                if (ServiceResult.IsGood(e.Status))
                {
                    ServerStatusLB.Text = Utils.Format(
                        "Server Status: {0} {1:yyyy-MM-dd HH:mm:ss} {2}/{3}",
                        e.CurrentState,
                        e.CurrentTime.ToLocalTime(),
                        m_session.OutstandingRequestCount,
                        m_session.DefunctRequestCount);

                    ServerStatusLB.ForeColor = Color.Empty;
                    ServerStatusLB.Font = new Font(ServerStatusLB.Font, FontStyle.Regular);
                }
                else
                {
                    ServerStatusLB.Text = String.Format(
                        "{0} {1}/{2}", e.Status,
                        m_session.OutstandingRequestCount,
                        m_session.DefunctRequestCount);

                    ServerStatusLB.ForeColor = Color.Red;
                    ServerStatusLB.Font = new Font(ServerStatusLB.Font, FontStyle.Bold);

                    if (m_reconnectPeriod <= 0)
                    {
                        return;
                    }

                    if (m_reconnectHandler == null && m_reconnectPeriod > 0)
                    {
                        m_reconnectHandler = new SessionReconnectHandler();
                        m_reconnectHandler.BeginReconnect(m_session, m_reconnectPeriod * 1000, StandardClient_Server_ReconnectComplete);
                    }
                }
            }
        }