Opc.Ua.Server.CustomNodeManager.SubscribeToAllEvents C# (CSharp) Method

        public virtual ServiceResult SubscribeToAllEvents(
            OperationContext    context, 
            uint                subscriptionId, 
            IEventMonitoredItem monitoredItem, 
            bool                unsubscribe)
        {
            ServerSystemContext systemContext = m_systemContext.Copy(context);
            IDictionary<NodeId,NodeState> operationCache = new NodeIdDictionary<NodeState>();

            lock (Lock)
            {
                // update root notifiers.
                for (int ii = 0; ii < m_rootNotifiers.Count; ii++)
                {
                    SubscribeToAllEvents(
                        systemContext,
                        monitoredItem,
                        unsubscribe,
                        m_rootNotifiers[ii]);
                }

                return ServiceResult.Good;
            }
        }