System.DateTimeParse.GetDayOfNN C# (CSharp) Méthode

        private static Boolean GetDayOfNN(ref DateTimeResult result, ref DateTimeRawInfo raw, DateTimeFormatInfo dtfi) {

            if ((result.flags & ParseFlags.HaveDate) != 0) {
                // Multiple dates in the input string
                result.SetFailure(ParseFailureKind.Format, "Format_BadDateTime", null);
                return false;
            }

            int n1 = raw.GetNumber(0);
            int n2 = raw.GetNumber(1);

            int year = result.calendar.GetYear(DateTime.Now);

            int order;
            if (!GetMonthDayOrder(dtfi.MonthDayPattern, dtfi, out order)) {
                result.SetFailure(ParseFailureKind.FormatWithParameter, "Format_BadDatePattern", dtfi.MonthDayPattern);
                return false;
            }

            if (order == ORDER_MD)
            {
                if (SetDateYMD(ref result, year, n1, n2))                           // MD
                {
                    result.flags |= ParseFlags.HaveDate;
                    return true;
                }
            } else {
                // ORDER_DM
                if (SetDateYMD(ref result, year, n2, n1))                           // DM
                {
                    result.flags |= ParseFlags.HaveDate;
                    return true;
                }
            }
            result.SetFailure(ParseFailureKind.Format, "Format_BadDateTime", null);
            return false;
        }