Opc.Ua.NotificationMessage.GetDataChanges C# (CSharp) Method

        public IList<MonitoredItemNotification> GetDataChanges(bool reverse)
        {
            List<MonitoredItemNotification> datachanges = new List<MonitoredItemNotification>();

            for (int jj = 0; jj < m_notificationData.Count; jj++)
            {
                ExtensionObject extension = m_notificationData[jj];

                if (ExtensionObject.IsNull(extension))
                {
                    continue;
                }

                DataChangeNotification notification = extension.Body as DataChangeNotification;
                                
                if (notification == null)
                {
                    continue;
                }
    
                if (reverse)
                {
                    for (int ii = notification.MonitoredItems.Count-1; ii >= 0; ii--)
                    {
                        MonitoredItemNotification datachange = notification.MonitoredItems[ii];

                        if (datachange != null)
                        {
                            datachange.Message = this;
                            datachanges.Add(datachange);
                        }
                    }
                }
                else
                {
                    for (int ii = 0; ii < notification.MonitoredItems.Count; ii++)
                    {
                        MonitoredItemNotification datachange = notification.MonitoredItems[ii];

                        if (datachange != null)
                        {
                            datachange.Message = this;
                            datachanges.Add(datachange);
                        }
                    }
                }
            }

            return datachanges;
        }