Opc.Ua.Server.SamplingGroupManager.ModifyMonitoring C# (CSharp) Method

        public virtual void ModifyMonitoring(OperationContext context, ISampledDataChangeMonitoredItem monitoredItem)
        {           
            lock (m_lock)
            {
                // find existing sampling group.
                SamplingGroup samplingGroup = null;

                if (m_sampledItems.TryGetValue(monitoredItem, out samplingGroup))
                {    
                    if (samplingGroup != null)
                    {
                        if (samplingGroup.ModifyMonitoring(context, monitoredItem))
                        {
                            return;
                        }
                    }

                    m_sampledItems.Remove(monitoredItem);
                }
                
                // assign to a new sampling group.
                StartMonitoring(context, monitoredItem);
                return;
            }
        }