System.Data.RecordManager.FreeRecord C# (CSharp) Метод

        internal void FreeRecord(ref int record)
        {
            Debug.Assert(-1 <= record && record < _recordCapacity, "invalid record");
            //            Debug.Assert(record < lastFreeRecord, "Attempt to Free() <outofbounds> record");
            if (-1 != record)
            {
                this[record] = null;

                int count = _table._columnCollection.Count;
                for (int i = 0; i < count; ++i)
                {
                    _table._columnCollection[i].FreeRecord(record);
                }

                // if freeing the last record, recycle it
                if (_lastFreeRecord == record + 1)
                {
                    _lastFreeRecord--;
                }
                else if (record < _lastFreeRecord)
                {
                    _freeRecordList.Add(record);
                }
                record = -1;
            }
        }