ExcelFormulaParser.Engine.CalculationChain.CalcCell.GetCalcChainId C# (CSharp) Метод

        public object GetCalcChainId()
        {
            CalcChain resultChain = null;
            foreach (var rel in _relationsFrom)
            {
                var chain = _context.GetCalcChain(rel.Value.CalcChainId);
                if (resultChain == null || chain.Count > resultChain.Count)
                {
                    resultChain = chain;
                }
            }
            return resultChain != null ? resultChain.Id : null;
        }