Opc.Ua.Server.SubscriptionManager.SetPublishingMode C# (CSharp) Method

        public void SetPublishingMode(
            OperationContext             context, 
            bool                         publishingEnabled, 
            UInt32Collection             subscriptionIds, 
            out StatusCodeCollection     results, 
            out DiagnosticInfoCollection diagnosticInfos)
        {            
            bool diagnosticsExist = false;
            results = new StatusCodeCollection(subscriptionIds.Count);
            diagnosticInfos = new DiagnosticInfoCollection(subscriptionIds.Count);

            for (int ii = 0; ii < subscriptionIds.Count; ii++)
            {         
                try
                {      
                    // find subscription.
                    Subscription subscription = null;
                                    
                    lock (m_lock)
                    {
                        if (!m_subscriptions.TryGetValue(subscriptionIds[ii], out subscription))
                        {
                            throw new ServiceResultException(StatusCodes.BadSubscriptionIdInvalid);
                        }
                    }

                    // update the subscription.
                    subscription.SetPublishingMode(context, publishingEnabled);
                                            
                    // save results.
                    results.Add(StatusCodes.Good);

                    if ((context.DiagnosticsMask & DiagnosticsMasks.OperationAll) != 0)
                    {
                        diagnosticInfos.Add(null);
                    }
                }
                catch (Exception e)
                {
                    ServiceResult result = ServiceResult.Create(e, StatusCodes.BadUnexpectedError, String.Empty);
                    results.Add(result.Code);
                    
                    if ((context.DiagnosticsMask & DiagnosticsMasks.OperationAll) != 0)
                    {
                        DiagnosticInfo diagnosticInfo = ServerUtils.CreateDiagnosticInfo(m_server, context, result);
                        diagnosticInfos.Add(diagnosticInfo);
                        diagnosticsExist = true;
                    }                        
                }

                if (!diagnosticsExist)
                {
                    diagnosticInfos.Clear();
                }
            }
        }