C# (CSharp) DesignPatterns_Study AbstractShape примеры использования

Пример #1

        public static void Main(string[] args)
        {
            AbstarctPencil objPencil = null; AbstractShape objShape = null;

            objShape = new Circle(); objPencil = new RedPencil(objShape);
            objPencil.DrawWithColor();
        }

Пример #2

 public RedPencil(AbstractShape objShape) : base(objShape)
 {
 }

Пример #3

 public BluePencil(AbstractShape objShape) : base(objShape)
 {
 }

Пример #4

 public AbstarctPencil(AbstractShape objShape)
 {
     this.objShape = objShape;
 }