public static PersianDateTime AddWeeks(this PersianDateTime persianDateTime, int weeks)
{
var dateTime = PersianCalendar.AddWeeks(persianDateTime.DateTime, weeks);
persianDateTime.DateTime = dateTime;
return(new PersianDateTime(dateTime));
}
public Date AddWeeks(int weeks)
{
if (IsEmpty(this))
{
throw new ArgumentException("Date is empty!");
}
return(new Date(PersianCalendar.AddWeeks(dateGregorian, weeks)));
}
public PersianDateTime AddWeeks(int week)
{
return(new PersianDateTime(persianCalendar.AddWeeks(this.dateTime, week)));
}