program.cs

来自「csharp课本的源代码」· CS 代码 · 共 39 行

using System;
namespace VirtualNewOverrideExample
{
    class A
    {
        public virtual void Method()
        {
            Console.WriteLine("A.Method");
        }
    }
    class B : A
    {
        public new virtual void Method()
        {
            Console.WriteLine("B.Method");
        }
    }
    class C : B
    {
        public override void Method()
        {
            Console.WriteLine("C.Method");
        }
    }
    class Program
    {
        static void Main(string[] args)
        {
            A a = new A();
            B b = new C();
            A c = b;
            a.Method();
            b.Method();
            c.Method();
            Console.ReadLine();
        }
    }
}