Opc.Ua.Com.Server.ComHdaProxy.UpdateAggregateDescriptions C# (CSharp) Method

        private void UpdateAggregateDescriptions(Session session, List<HdaAggregate> aggregates)
        {
            ReadValueIdCollection nodesToRead = new ReadValueIdCollection(); ;

            for (int ii = 0; ii < aggregates.Count; ii++)
            {
                HdaAggregate aggregate = aggregates[ii];

                ReadValueId nodeToRead = new ReadValueId();
                nodeToRead.NodeId = aggregate.RemoteId;
                nodeToRead.AttributeId = Attributes.Description;
                nodesToRead.Add(nodeToRead);
            }

            DataValueCollection values = null;
            DiagnosticInfoCollection diagnosticInfos = null;

            // read values from the UA server.
            ResponseHeader responseHeader = session.Read(
                null,
                0,
                TimestampsToReturn.Neither,
                nodesToRead,
                out values,
                out diagnosticInfos);

            // validate response from the UA server.
            ClientBase.ValidateResponse(values, nodesToRead);
            ClientBase.ValidateDiagnosticInfos(diagnosticInfos, nodesToRead);

            for (int ii = 0; ii < aggregates.Count; ii++)
            {
                HdaAggregate aggregate = aggregates[ii];

                if (StatusCode.IsBad(values[ii].StatusCode))
                {
                    aggregate.Description = null;
                    continue;
                }

                aggregate.Description = values[ii].WrappedValue.ToString();
            }
        }
        #endregion