form1.cs

csharp中的浏览文件夹的应用源码程序

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using mshtml;
using System.IO;

namespace _111
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private void button1_Click(object sender, EventArgs e)
        {
            //object zero = 0;
            //object es = "";
            //axWebBrowser1.Navigate(textBox1.Text, ref zero, ref es, ref es, ref es);
            //openFileDialog1.ShowDialog();
            //OpenFileDialog ofd = new OpenFileDialog();
            //ofd.Title = "打开(Open)";
            //ofd.FileName = "";
            
            OpenFileDialog ofd = new OpenFileDialog();
            ofd.Title = "打开(Open)";
            ofd.FileName = "";
            ofd.InitialDirectory = Environment.GetFolderPath(Environment.SpecialFolder.MyDocuments);//确定打开的初始位置在MyDocuments文件夹
            //MessageBox.Show(ofd.InitialDirectory.ToString());//显示浏览界面的初始路径
            //为了获取特定的系统文件夹，可以使用System.Environment类
            //的静态方法GetFolderPath()。该方法接受一个Environment.SpecialFolder枚举，其中可以定义要返回路径的哪个系统目录
            ofd.Filter = "文本文件(*.txt)|*.txt";
            ofd.ValidateNames = true;     //文件有效性验证ValidateNames，验证用户输入是否是一个有效的Windows文件名
            ofd.CheckFileExists = true;  //验证路径有效性
            ofd.CheckPathExists = true; //验证文件有效性           
            try
            {
                if (ofd.ShowDialog() == DialogResult.OK)
                {                    
                    StreamReader sr = new StreamReader(ofd.FileName, System.Text.Encoding.Default);
                    this.textBox1.Text = sr.ReadToEnd();
                    MessageBox.Show(ofd.FileName.ToString());//显示打开文件的路径
                }
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message.ToString());
            }
        }

        private void axWebBrowser1_DocumentComplete(object sender, AxSHDocVw.DWebBrowserEvents2_DocumentCompleteEvent e)
        {
            IHTMLDocument2 IHTMLDocument = (IHTMLDocument2)axWebBrowser1.Document;
            IHTMLElementCollection links = IHTMLDocument.links;
            listBox1.Items.Clear();
            foreach (HTMLAnchorElementClass el in links)
            {
                listBox1.Items.Add(el.outerHTML);
            }
        }
    }
}