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;

namespace WindowsFormsApplication5
{
    public partial class Form1 : Form
    {

        public Form1()
        {
            InitializeComponent();
        }

        
 
private void button1_Click(object sender, EventArgs e)
        {
            FolderBrowserDialog fb = new FolderBrowserDialog();
            if(fb.ShowDialog()==DialogResult.OK)
                textBox1.Text = fb.SelectedPath;
        }
    }
}

【C#學習筆記】瀏覽目錄得到路徑