System.Data.DataRelationCollection.Add C# (CSharp) Метод

        public void Add(DataRelation relation)
        {
            long logScopeId = DataCommonEventSource.Log.EnterScope("<ds.DataRelationCollection.Add|API> {0}, relation={1}", ObjectID, (relation != null) ? relation.ObjectID : 0);
            try
            {
                if (_inTransition == relation)
                {
                    return;
                }

                _inTransition = relation;
                try
                {
                    OnCollectionChanging(new CollectionChangeEventArgs(CollectionChangeAction.Add, relation));
                    AddCore(relation);
                    OnCollectionChanged(new CollectionChangeEventArgs(CollectionChangeAction.Add, relation));
                }
                finally
                {
                    _inTransition = null;
                }
            }
            finally
            {
                DataCommonEventSource.Log.ExitScope(logScopeId);
            }
        }

        private uint Pop(CUQueue UQueue, ref DataRelationCollection drc)
        {
            int n;
            string str;
            bool b;
            int nData;
            uint nSize = UQueue.GetSize();
            UQueue.Load(out nData);
            drc.Clear();
            for (n = 0; n < nData; n++)
            {
                DataColumn[] dcsChild = null;
                PopTableColNamesOnly(UQueue, ref dcsChild);

                UQueue.Load(out b);
                UQueue.Load(out str);

                DataColumn[] dcsParent = null;
                PopTableColNamesOnly(UQueue, ref dcsParent);

                DataRelation dr = new DataRelation(str, dcsParent, dcsChild);
                dr.Nested = b;
                drc.Add(dr);
            }
            return (nSize - UQueue.GetSize());
        }