Ru.GameSchool.DataLayer.Repository.LevelExam.FixupLevelExamQuestions C# (CSharp) Méthode

        private void FixupLevelExamQuestions(object sender, NotifyCollectionChangedEventArgs e)
        {
            if (e.NewItems != null)
            {
                foreach (LevelExamQuestion item in e.NewItems)
                {
                    item.LevelExam = this;
                }
            }
    
            if (e.OldItems != null)
            {
                foreach (LevelExamQuestion item in e.OldItems)
                {
                    if (ReferenceEquals(item.LevelExam, this))
                    {
                        item.LevelExam = null;
                    }
                }
            }
        }