public void Remove_Event(Event ev) { Events.Remove(ev); }
public void Add_Event(Event ev) { Events.Add(ev); }
public void Alert(Event ev) { throw new NotImplementedException(); }
public void Update_Existing_Event(Event ev, Anniversary_Types anniversary_type, Person person, DateTime date) { ev.Anniversary_Type = anniversary_type; ev.Person = person; ev.Date = date; }