public StellarEvent(StellarEvent s)
{
EventType = s.EventType;
EventDesc = s.EventDesc;
EventYear = s.EventYear;
FormattedEventYear = Utility.FormatForAstronomicalYear(s.EventYear);
}
public void AddLogEvent(StellarEvent newEvent)
{
LoggedEvents.Add(newEvent);
NotifyPropertyChanged("LoggedEvents");
}