Opc.Ua.Com.Server.ComAeUtils.FindTargetOfReference C# (CSharp) Method

        private static List<NodeId> FindTargetOfReference(Session session, List<NodeId> nodeIds, NodeId referenceTypeId, bool throwOnError)
        {
            try
            {
                // construct browse request.
                BrowseDescriptionCollection nodesToBrowse = new BrowseDescriptionCollection();

                for (int ii = 0; ii < nodeIds.Count; ii++)
                {
                    BrowseDescription nodeToBrowse = new BrowseDescription();
                    nodeToBrowse.NodeId = nodeIds[ii];
                    nodeToBrowse.BrowseDirection = BrowseDirection.Forward;
                    nodeToBrowse.ReferenceTypeId = referenceTypeId;
                    nodeToBrowse.IncludeSubtypes = false;
                    nodeToBrowse.NodeClassMask = 0;
                    nodeToBrowse.ResultMask = (uint)BrowseResultMask.None;
                    nodesToBrowse.Add(nodeToBrowse);
                }

                // start the browse operation.
                BrowseResultCollection results = null;
                DiagnosticInfoCollection diagnosticInfos = null;

                session.Browse(
                    null,
                    null,
                    1,
                    nodesToBrowse,
                    out results,
                    out diagnosticInfos);

                ClientBase.ValidateResponse(results, nodesToBrowse);
                ClientBase.ValidateDiagnosticInfos(diagnosticInfos, nodesToBrowse);

                List<NodeId> targetIds = new List<NodeId>();
                ByteStringCollection continuationPoints = new ByteStringCollection();

                for (int ii = 0; ii < nodeIds.Count; ii++)
                {
                    targetIds.Add(null);

                    // check for error.
                    if (StatusCode.IsBad(results[ii].StatusCode))
                    {
                        continue;
                    }

                    // check for continuation point.
                    if (results[ii].ContinuationPoint != null && results[ii].ContinuationPoint.Length > 0)
                    {
                        continuationPoints.Add(results[ii].ContinuationPoint);
                    }

                    // get the node id.
                    if (results[ii].References.Count > 0)
                    {
                        if (NodeId.IsNull(results[ii].References[0].NodeId) || results[ii].References[0].NodeId.IsAbsolute)
                        {
                            continue;
                        }

                        targetIds[ii] = (NodeId)results[ii].References[0].NodeId;
                    }
                }

                // release continuation points.
                if (continuationPoints.Count > 0)
                {
                    session.BrowseNext(
                        null,
                        true,
                        continuationPoints,
                        out results,
                        out diagnosticInfos);

                    ClientBase.ValidateResponse(results, nodesToBrowse);
                    ClientBase.ValidateDiagnosticInfos(diagnosticInfos, nodesToBrowse);
                }

                //return complete list.
                return targetIds;
            }
            catch (Exception exception)
            {
                if (throwOnError)
                {
                    throw new ServiceResultException(exception, StatusCodes.BadUnexpectedError);
                }

                return null;
            }
        }