读取文件夹集合并依此创建文件夹

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace _03遍历建立文件夹
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private void button4_Click(object sender, EventArgs e)
        {
            Application.Exit();
        }

        private void button1_Click(object sender, EventArgs e)
        {
            using (FolderBrowserDialog folderBrowserDialog = new FolderBrowserDialog())
            {
                folderBrowserDialog.SelectedPath = @"e:\";
                folderBrowserDialog.Description = "请选择一个文件夹";
                if (folderBrowserDialog.ShowDialog() == DialogResult.OK)
                {
                    string selectedFolderPath = folderBrowserDialog.SelectedPath;
                    //MessageBox.Show("Selected Folder: " + selectedFolderPath);
                    textBox1.Text = selectedFolderPath;
                }
            }
        }

        private void button2_Click(object sender, EventArgs e)
        {
            using (FolderBrowserDialog folderBrowserDialog = new FolderBrowserDialog())
            {
                folderBrowserDialog.SelectedPath = @"e:\";
                folderBrowserDialog.Description = "请选择一个文件夹";
                if (folderBrowserDialog.ShowDialog() == DialogResult.OK)
                {
                    string selectedFolderPath = folderBrowserDialog.SelectedPath;
                    //MessageBox.Show("Selected Folder: " + selectedFolderPath);
                    textBox2.Text = selectedFolderPath;
                }
            }
        }

        private void button3_Click(object sender, EventArgs e)
        {           
            // 源文件夹路径
            string parentFolderPath = textBox1.Text.Trim();
            string newFolderPath = textBox2.Text.Trim();
            if (string.IsNullOrEmpty(parentFolderPath)||string.IsNullOrEmpty(newFolderPath))
            {
                MessageBox.Show("源&目文件夹选择不能为空...");
                textBox1.Focus();
                return;
            }

            // 确保父文件夹存在
            if (!Directory.Exists(parentFolderPath))
            {
                MessageBox.Show("源文件夹不存在！");
                return;
            }

            // 获取父文件夹中的所有子文件夹信息
            DirectoryInfo parentDir = new DirectoryInfo(parentFolderPath);
            DirectoryInfo[] subDirs = parentDir.GetDirectories(); // 获取所有子目录信息

            // 遍历并打印每个子文件夹的名称
            foreach (DirectoryInfo dir in subDirs)
            {
                //textBox3.Text+= newFolderPath+"\\"+dir.Name+"\r\n"; // 打印子文件夹名称
                string tmpStr =newFolderPath+"\\"+dir.Name;
                // 文件夹存在否
                if (!Directory.Exists(tmpStr))
                {                    
                    Directory.CreateDirectory(tmpStr);
                }
            }
            MessageBox.Show("空文件夹从源批量创建成功...");
        }

        private void Form1_Load(object sender, EventArgs e)
        {
            textBox1.Focus();
        }
    }
}