void RemoveReference(IPersonReference reference)
        {
            References.Remove(reference);
            PatternWords.Remove(reference);
            NominativePersons.Remove(reference);

            ReferencesSelectedItem = null;
            UpdateLookup(null);
        }
        public void UpdateLookup(IPersonReference reference)
        {
            if (reference == null)
            {
                Lookup = "";
                return;
            }

            Lookup = reference.Token.Lookup;
        }
 public void UpdateLookup(IPersonReference reference)
 {
     Lookup = reference.Token.Lookup;
 }