Opc.Ua.Sample.SampleNodeManager.AddRootNotifier C# (CSharp) Method

        protected virtual void AddRootNotifier(NodeState notifier)
        {
            for (int ii = 0; ii < m_rootNotifiers.Count; ii++)
            {
                if (Object.ReferenceEquals(notifier, m_rootNotifiers[ii]))
                {
                    return;
                }
            }

            m_rootNotifiers.Add(notifier);

            // subscribe to existing events.
            if (m_server.EventManager != null)
            {
                IList<IEventMonitoredItem> monitoredItems = m_server.EventManager.GetMonitoredItems();

                for (int ii = 0; ii < monitoredItems.Count; ii++)
                {
                    if (monitoredItems[ii].MonitoringAllEvents)
                    {
                        SubscribeToAllEvents(
                            SystemContext,
                            monitoredItems[ii],
                            true,
                            notifier);
                    }
                }
            }
        }