整列リスト---SortedList

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace ConsoleApplication6
{
    class Program
    {
        static void Main(string[] args)
        {
            // 
            SortedList<string, string> s = new SortedList<string, string>();
            s.Add("a", "1");
            s.Add("b", "3");
            s["d"] = "2";
            s["c"] = "4";
            Console.WriteLine("--------------【 】-----------------");
            foreach (var item in s)
            {
                Console.WriteLine(item.Key + "," + item.Value);
            }
            Console.WriteLine("--------------【 】-----------------");
            foreach (var item in s.Values)
            {
                Console.WriteLine(item);
            }
            Console.WriteLine("--------------【 】-----------------");
            foreach (var item in s.Keys)
            {
                Console.WriteLine(item);
            }
            
            // 【 】
            string outstr;// 
            string key = "a";// 
            if (!s.TryGetValue(key,out outstr))
            {
                Console.WriteLine(key + " ");
            }
            Console.WriteLine(outstr);
            Console.ReadKey();
 

          
        }
    }
}