System.DateTimeParse.ParseFractionExact C# (CSharp) Méthode

        private static bool ParseFractionExact(ref __DTString str, int maxDigitLen,  ref double result) {
            if (!str.GetNextDigit()) {
                str.Index--;
                return false;
            }
            result = str.GetDigit();

            int digitLen = 1;
            for (; digitLen < maxDigitLen; digitLen++) {
                if (!str.GetNextDigit()) {
                    str.Index--;
                    break;
                }
                result = result * 10 + str.GetDigit();
            }

            result = ((double)result / Math.Pow(10, digitLen));
            return (digitLen == maxDigitLen);
        }