C#

运行效果：

代码：

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

namespace InnerList
{
    class Program
    {
        static void Main(string[] args)
        {
            strList sl = new strList();

            sl.Add("A");
            sl.Add("B");
            sl.Add("C");

            Console.WriteLine(sl[1]);
            sl.Remove("A");
            Console.WriteLine(sl[1]);

            Console.ReadKey();
        }
    }

    /// <summary>
    /// 用System.Collections.CollectionBase定义一个存储字符类型的列表类
    /// </summary>
    public class strList : System.Collections.CollectionBase
    {
        /// <summary>
        /// 像列表中添加字符串
        /// </summary>
        /// <param name="str"></param>
        public void Add(string str)
        {
            base.InnerList.Add(str);
        }

        /// <summary>
        /// 从列表中一处移除字符串
        /// </summary>
        /// <param name="str"></param>
        public void Remove(string str)
        {
            base.InnerList.Remove(str);
        }

        /// <summary>
        /// 根据索引号，查找指定字符串
        /// </summary>
        /// <param name="Index"></param>
        /// <returns></returns>
        public string this[int Index]
        {
            get { return ((string)List[Index]); }
            set { List[Index] = value; }
        }
    }
}