Opc.Ua.Com.Server.ComAe2Subscription.CreateSubscription C# (CSharp) Method

        private void CreateSubscription()
        {
            if (m_subscription != null)
            {
                m_subscription.Dispose();
                m_subscription = null;
            }

            // get the current session.
            Session session = m_server.Session;

            if (session == null)
            {
                return;
            }

            // create the subscription.
            m_subscription = new Subscription();
            m_subscription.PublishingEnabled = Active;
            m_subscription.PublishingInterval = (int)Math.Max(BufferTime, 1000);
            m_subscription.KeepAliveCount = (uint)Math.Max(Math.Ceiling(((double)KeepAlive)/m_subscription.PublishingInterval), 10);
            m_subscription.LifetimeCount = m_subscription.KeepAliveCount*3;
            m_subscription.MaxNotificationsPerPublish = MaxSize;
            m_subscription.TimestampsToReturn = TimestampsToReturn.Neither;
            m_subscription.Priority = 0;
            m_subscription.FastEventCallback = OnEventNotification;
            m_subscription.DisableMonitoredItemCache = true;

            session.AddSubscription(m_subscription);
            m_subscription.Create();

            // update the monitored items.
            EventFilter filter = m_filter.GetFilter();
            MonitoringMode monitoringMode = (Active)?MonitoringMode.Reporting:MonitoringMode.Disabled;

            foreach (MonitoredItem monitoredItem in m_notifiers.Values)
            {
                monitoredItem.Filter = filter;
                monitoredItem.MonitoringMode = monitoringMode;
                m_subscription.AddItem(monitoredItem);
            }

            m_subscription.ApplyChanges();
        }