Opc.Ua.Server.DiagnosticsNodeManager.OnMonitoredItemCreated C# (CSharp) Method

        protected override void OnMonitoredItemCreated(
            ServerSystemContext context,
            NodeHandle handle,
            MonitoredItem monitoredItem)
        {
            // check if the variable needs to be sampled.
            if (monitoredItem.AttributeId == Attributes.Value)
            {
                BaseVariableState variable = handle.Node as BaseVariableState;

                if (variable != null && variable.MinimumSamplingInterval > 0)
                {
                    CreateSampledItem(monitoredItem.SamplingInterval, monitoredItem);
                }
            }
            
            // check if diagnostics collection needs to be turned one.
            if (IsDiagnosticsNode(handle.Node))
            {
                monitoredItem.AlwaysReportUpdates = IsDiagnosticsStructureNode(handle.Node);
  
                if (monitoredItem.MonitoringMode != MonitoringMode.Disabled)
                {
                    m_diagnosticsMonitoringCount++;

                    if (m_diagnosticsScanTimer == null)
                    {
                        m_diagnosticsScanTimer = new Timer(DoScan, null, 1000, 1000);
                    }

                    DoScan(true);
                }
            }
        }