1667    {
 1668        if ((result.flags & ParseFlags.HaveDate) != 0)
 1669        {
 1670            result.SetBadDateTimeFailure();
 1671            return false;
 1672        }
 1674        {
 1675            result.SetFailure(ParseFailureKind.FormatWithParameter, 
"Format_BadDatePattern", dtfi.
MonthDayPattern);
 
 1676            return false;
 1677        }
 1678        if (order == 6)
 1679        {
 1681            {
 1682                result.SetFailure(ParseFailureKind.FormatWithParameter, "Format_BadDatePattern", dtfi.YearMonthPattern);
 1683                return false;
 1684            }
 1685            if (order2 == 4)
 1686            {
 1687                if (!
TryAdjustYear(ref result, raw.GetNumber(0), out var adjustedYear) || !
SetDateYMD(ref result, adjustedYear, raw.month, 1))
 
 1688                {
 1689                    result.SetBadDateTimeFailure();
 1690                    return false;
 1691                }
 1692                return true;
 1693            }
 1694        }
 1696        if (!
SetDateYMD(ref result, result.Year, raw.month, raw.GetNumber(0)))
 
 1697        {
 1698            result.SetBadDateTimeFailure();
 1699            return false;
 1700        }
 1701        return true;
 1702    }
static bool SetDateYMD(ref DateTimeResult result, int year, int month, int day)
 
static bool GetMonthDayOrder(string pattern, out int order)
 
static bool TryAdjustYear(ref DateTimeResult result, int year, out int adjustedYear)
 
static bool GetYearMonthOrder(string pattern, out int order)
 
static void GetDefaultYear(ref DateTimeResult result, ref DateTimeStyles styles)