using System;
using System.Collections.Generic;
using System.Text;

namespace learninterface1
{
    //类继承多个接口，继承接口可能是父子接口关系
    //类必须实现接口的所有成员
    class Program:Imyinterface1,Iman
    {
        string name;
        public string NAME
        {
            get
            {
                return name;
            }
            set
            {
                name = value;
            }
        }
        string shiye;
         public string SHIYE
        {
            get
            {
                return shiye;
            }
            set
            {
                shiye = value;
            }
        }
        public void ShowInfo()
        {
            Console.WriteLine("姓名");
            Console.WriteLine(NAME);
            Console.ReadKey();
        }

        public void ManDo()
        {
            Console.WriteLine("子接口iman的方法mando");
        }
        static void Main(string[] args)
        {
            Program p = new Program();
           
            //通过接口对象实例化，调用
            Imyinterface1 i1 = p;
            i1.NAME = "zxy";
            i1.ShowInfo();
           
            Iman im1=p;
            im1.NAME = "oth";
            im1.SHIYE = "shiye1";
            im1.ManDo();//实例化接口对象时（子接口时，它有父接口，即接口是继承关系)

            Program p1 = new Program();
            p1.name = "ha1";
            p1.ShowInfo();

        }
    }
}

using System;
using System.Collections.Generic;
using System.Text;

namespace learninterface1
{
    interface Imyinterface1
    {
        string NAME
        {
            get;
            set;
        }
        void ShowInfo();
    }

    //接品继承接口，子接口不用重写父接口的成员，仅编写新增的成员即可
    interface Iman:Imyinterface1
    {
        string SHIYE
        {
            get;
            set;
        }
        void  ManDo();

    }
}