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

namespace ConsoleApplication1
{
class Program
{
    static void Main(string[] args)
    {
        collclass collcalss = new collclass();
        collcalss[3] ="傻子" ;
        collcalss[4] ="傻子2" ;
        for (int i = 0; i < collcalss.Length; i++)
        {
            Console.Write("{0} ", collcalss[i]);
        }
        Console.ReadKey();
    }
}
class collclass
{
    private string[] temp = new string[5] { "笨猪1", "笨猪2", "笨猪3", "笨猪4", "笨猪5" };
    public int Length{
    get { return temp.Length; }
}

    public string this[int index]{
    get{return temp[index];}
    set{temp[index] = value;}
}
}
}

效果图: