【C#学习笔记】打开对话框并返回打开文件所在路径

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 WindowsFormsApplication3
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private void button1_Click(object sender, EventArgs e)
        {
            OpenFileDialog dig = new OpenFileDialog();
            if (dig.ShowDialog() == DialogResult.OK)
                textBox1.Text = dig.FileName;           
        }
    }
}