Opc.Ua.Com.Client.ComHdaClientNodeManager.HistoryDeleteRawModified C# (CSharp) Method

        protected override void HistoryDeleteRawModified(
            ServerSystemContext context,
            IList<DeleteRawModifiedDetails> nodesToUpdate,
            IList<HistoryUpdateResult> results,
            IList<ServiceResult> errors,
            List<NodeHandle> nodesToProcess,
            IDictionary<NodeId, NodeState> cache)
        {
            ComHdaClientManager system = (ComHdaClientManager)this.SystemContext.SystemHandle;
            ComHdaClient client = (ComHdaClient)system.SelectClient((ServerSystemContext)SystemContext, false);

            for (int ii = 0; ii < nodesToProcess.Count; ii++)
            {
                NodeHandle handle = nodesToProcess[ii];
                DeleteRawModifiedDetails nodeToUpdate = nodesToUpdate[handle.Index];
                HistoryUpdateResult result = results[handle.Index];

                // check if the node id has been parsed.
                HdaParsedNodeId parsedNodeId = handle.ParsedNodeId as HdaParsedNodeId;

                if (parsedNodeId == null)
                {
                    errors[handle.Index] = StatusCodes.BadNodeIdInvalid;
                    continue;
                }

                if (nodeToUpdate.IsDeleteModified)
                {
                    errors[handle.Index] = StatusCodes.BadHistoryOperationUnsupported;
                    continue;
                }

                if (parsedNodeId.RootType == HdaModelUtils.HdaItem)
                {
                    errors[handle.Index] = client.DeleteRaw(parsedNodeId.RootId, nodeToUpdate, results[handle.Index]);
                    continue;
                }

                errors[handle.Index] = StatusCodes.BadHistoryOperationUnsupported;
            }
        }