SortedList用法

//SortedListusing System;using System.Collections.Generic;using System.Text;using System.Collections;namespace ConsoleApplication1{    class Program    {        public static void Main()        {             SortedList sl = new SortedList();             sl["c"] = 41;             sl["a"] = 42;             sl["d"] = 11;             sl["b"] = 13;            foreach (DictionaryEntry element in sl)            {                string s = (string)element.Key;                int i = (int)element.Value;                 Console.WriteLine("{0},{1}",s,i);             }         }     }}