FastQuant.DataSeries.ReadCache C# (CSharp) Method

        private IdArray<DataKey> ReadCache()
        {
            this.cacheKey = this.file.ReadKey(this.cachePosition, ObjectKey.EMPTYNAME_KEY_SIZE);
            var dataKeys = ((DataKeyIdArray)this.cacheKey.GetObject()).Keys;
            for (int i = 0; i < dataKeys.Size; i++)
            {
                var dk = dataKeys[i];
                if (dk != null)
                {
                    dk.file = this.file;
                    dk.number = i;
                }
            }
            return dataKeys;
        }