internal virtual int GetDatePart(DateTime time, int part) { int HijriYear = 0; int HijriMonth = 0; int HijriDay = 0; UmAlQuraCalendar.CheckTicksRange(time.Ticks); UmAlQuraCalendar.ConvertGregorianToHijri(time, ref HijriYear, ref HijriMonth, ref HijriDay); if (part == 0) { return(HijriYear); } if (part == 2) { return(HijriMonth); } if (part == 3) { return(HijriDay); } if (part == 1) { return((int)(UmAlQuraCalendar.GetAbsoluteDateUmAlQura(HijriYear, HijriMonth, HijriDay) - UmAlQuraCalendar.GetAbsoluteDateUmAlQura(HijriYear, 1, 1) + 1L)); } throw new InvalidOperationException(Environment.GetResourceString("InvalidOperation_DateTimeParsing")); }