static class Program

    {

        static void Main()

        {

            BaseB baseb = new BaseB();

            baseb.MyFun();

            Console.ReadKey();

        }

    }

    public class BaseA

    {

        public static MyTest a1 = new MyTest("基类静态字段");

        public MyTest a2 = new MyTest("基类字段");

        static BaseA()

        {

            MyTest a3 = new MyTest("基类静态构造函数");

        }

        public BaseA()

        {

            MyTest a4 = new MyTest("基类构造函数");

        }

        public virtual void MyFun()

        {

            MyTest a5 = new MyTest("基类MyFun");

        }

    }

    public class BaseB : BaseA

    {

        public static MyTest b1 = new MyTest("子类静态字段");

        public MyTest b2 = new MyTest("子类字段");

        static BaseB()

        {

            MyTest b3 = new MyTest("子类静态构造函数");

        }

        public BaseB()

        {

            MyTest b4 = new MyTest("子类构造函数");

        }

        public new void MyFun()

        {

            MyTest b5 = new MyTest("子类MyFun");

        }

    }

    public class MyTest

    {

        public MyTest(string info)

        {

            Console.WriteLine(info);

        }

    }