public void AddPhrase(PhraseEdit phrase)
 {
     //PhraseIds.Add(phrase.Id);
     if (_PhraseAdding != null)
     {
         throw new Exception();
     }
     _PhraseAdding     = phrase;
     Phrases.AddedNew += Phrases_AddedNew;
     Phrases.AddNew();
     Phrases.AddedNew -= Phrases_AddedNew;
     BusinessRules.CheckRules();
 }