C#不重启程序读取appconfig

using System;using System.Collections.Generic;using System.Configuration;using System.Linq;using System.Text;namespace Demo{    class Program    {        static void Main(string[] args)        {            while (true)            {                ConfigurationManager.RefreshSection("appSettings");                string key = ConfigurationManager.AppSettings["Key"];                Console.WriteLine(key);                Console.ReadKey();            }                                }    }}