private IEnumerable<string> getDays()
{
var days = CalendarAttributes.UseLongDayNamesOfWeek ? CalendarNames.LongPersianDayNamesOfWeek : CalendarNames.ShortPersianDayNamesOfWeek;
if (CalendarAttributes.CalendarType == CalendarType.GregorianCalendar)
{
days = CalendarAttributes.UseLongDayNamesOfWeek ? CalendarNames.LongGregorianDayNamesOfWeek : CalendarNames.ShortGregorianDayNamesOfWeek;
}
return days;
}