System.Data.DataRelationCollection.DataTableRelationCollection.OnRelationPropertyChanged C# (CSharp) Метод

            internal void OnRelationPropertyChanged(CollectionChangeEventArgs ccevent)
            {
                if (!_fParentCollection)
                {
                    _table.UpdatePropertyDescriptorCollectionCache();
                }
                RelationPropertyChanged?.Invoke(this, ccevent);
            }