partial void DeletePicture(Picture instance);
 partial void UpdatePicture(Picture instance);
		private void detach_Pictures(Picture entity)
		{
			this.SendPropertyChanging();
			entity.Drink = null;
		}
 partial void InsertPicture(Picture instance);
		private void attach_Pictures(Picture entity)
		{
			this.SendPropertyChanging();
			entity.Drink = this;
		}