using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using System.IO;</pre>
<span id="more-37"></span>
<pre>namespace WindowsFormsApplication2
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private void button1_Click(object sender, EventArgs e)
        {
            Dir(@"D:test");
        }

        public void Dir(string dirName)
        {
            DirectoryInfo dir = new DirectoryInfo(dirName);
            foreach (DirectoryInfo dChild in dir.GetDirectories("*"))
            {
                Console.WriteLine(dChild.Name);
                Console.WriteLine(dChild.FullName);
                if (dChild.GetDirectories("*").Length &gt; 0)
                {
                    Dir(dChild.FullName);
                }
                File.Create(Path.Combine(dChild.FullName, dChild.Name + ".ztilemap"));
            }
        }
    }
}