示例#1
0
        static void Main()

        {
            // Setup structure

            ObjectStructure o = new ObjectStructure();

            o.Attach(new ConcreteElementA());

            o.Attach(new ConcreteElementB());



            // Create visitor objects

            ConcreteVisitor1 v1 = new ConcreteVisitor1();

            ConcreteVisitor2 v2 = new ConcreteVisitor2();



            // Structure accepting visitors

            o.Accept(v1);

            o.Accept(v2);



            // Wait for user

            Console.ReadKey();
        }
        static void Main(string[] args)
        {
            List <Component> components = new List <Component>
            {
                new ConcreteComponentA(),
                new ConcreteComponentB()
            };

            Console.Write("The client code works with all visitors via the base Visitor interface:\n");
            var visitor1 = new ConcreteVisitor1();

            Client.ClientCode(components, visitor1);

            Console.WriteLine();

            Console.Write("It allows the same client code to work with different types of visitors:\n");
            var visitor2 = new ConcreteVisitor2();

            Client.ClientCode(components, visitor2);
        }