private void EditSelectedDifficultyLevel()
 {
     _nameAndScoreInputViewCommand.Execute(SelectedDifficultyLevel.Name, SelectedDifficultyLevel.Score);
     SelectedDifficultyLevel.Item.Name  = _nameAndScoreInputViewCommand.Name;
     SelectedDifficultyLevel.Item.Score = _nameAndScoreInputViewCommand.Score;
     _difficultyLevelService.Save(SelectedDifficultyLevel.Item);
     SelectedDifficultyLevel.DoUpdate();
 }