public void setdate(int dd, int mm) { month = mm; dayofmonth = dd; FirstDateOfYear = FirstDateOfYear.AddMonths(mm); FirstDateOfYear = FirstDateOfYear.AddDays(dd); }
public date2019(int dd) { FirstDateOfYear.AddDays(dd); }
public void plusday(int days) { plusDays = days; NextDate = FirstDateOfYear.AddDays(days); }