c#如何获取某个目录里所有文件和文件夹列表

using System;
using System.IO;

namespace _2020_01_17
{
  class Program
  {
    static void Main(string[] args)
    {
      string dir = Path.Combine(Directory.GetCurrentDirectory(),"<target dir>");
      string[] files = Directory.GetFiles(dir);

      foreach (string file in files)
      {
        Console.WriteLine(file);
      }
    }
  }
}