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

        protected override void OnMonitoredItemDeleted(
            ServerSystemContext context,
            NodeHandle handle,
            MonitoredItem monitoredItem)
        {
            // check if diagnostics collection needs to be turned off.
            if (IsDiagnosticsNode(handle.Node))
            {
                if (monitoredItem.MonitoringMode != MonitoringMode.Disabled)
                {
                    m_diagnosticsMonitoringCount--;

                    if (m_diagnosticsMonitoringCount == 0 && m_diagnosticsScanTimer != null)
                    {
                        m_diagnosticsScanTimer.Dispose();
                        m_diagnosticsScanTimer = null;
                    }

                    if (m_diagnosticsScanTimer != null)
                    {
                        DoScan(true);
                    }
                }
            }

            // check if sampling needs to be turned off.
            if (monitoredItem.AttributeId == Attributes.Value)
            {
                BaseVariableState variable = handle.Node as BaseVariableState;

                if (variable != null && variable.MinimumSamplingInterval > 0)
                {
                    DeleteSampledItem(monitoredItem);
                }
            }
        }