1612    {
 1613        if ((result.flags & ParseFlags.HaveDate) != 0)
 1614        {
 1615            result.SetBadDateTimeFailure();
 1616            return false;
 1617        }
 1619        {
 1620            result.SetFailure(ParseFailureKind.FormatWithParameter, 
"Format_BadDatePattern", dtfi.
MonthDayPattern);
 
 1621            return false;
 1622        }
 1623        if (order == 7)
 1624        {
 1626            {
 1627                result.SetFailure(ParseFailureKind.FormatWithParameter, "Format_BadDatePattern", dtfi.YearMonthPattern);
 1628                return false;
 1629            }
 1630            if (order2 == 5)
 1631            {
 1632                if (!
TryAdjustYear(ref result, raw.GetNumber(0), out var adjustedYear) || !
SetDateYMD(ref result, adjustedYear, raw.month, 1))
 
 1633                {
 1634                    result.SetBadDateTimeFailure();
 1635                    return false;
 1636                }
 1637                return true;
 1638            }
 1639        }
 1641        if (!
SetDateYMD(ref result, result.Year, raw.month, raw.GetNumber(0)))
 
 1642        {
 1643            result.SetBadDateTimeFailure();
 1644            return false;
 1645        }
 1646        return true;
 1647    }
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)