using System;using System.Collections.Generic;using System.Linq;using System.Text;using System.Threading.Tasks;namespace Demo{       public class ClassA    {        private int state = -1;        public int State        {            get            {                return state;            }        }        public class ClassB // 内部类        {            public void SetPrivateState(ClassA target,int newState)            {                target.state = newState;            }        }    }    class Program    {        static void Main(string[] args)        {            ClassA myObject = new ClassA();            Console.WriteLine("myObject.State= {0}",myObject.State);            ClassA.ClassB myOtherObject = new ClassA.ClassB();            myOtherObject.SetPrivateState(myObject,100);            Console.WriteLine("myObject.State= {0}", myObject.State);            Console.ReadKey();        }    }}

这个很少用，就当图个乐吧!

本文转自TBHacker博客园博客，原文链接：http://www.cnblogs.com/jiqing9006/p/6763587.html，如需转载请自行联系原作者