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;



namespace 如何打开各种文件

{

    public partial class Form1 : Form

    {

        public Form1()

        {

            InitializeComponent();

        }



        private void button2_Click(object sender, EventArgs e)

        {



            OpenFileDialog openFileDialog = new OpenFileDialog();

            openFileDialog.InitialDirectory = "c:\\";//注意这里写路径时要用c:\\而不是c:\

            openFileDialog.Filter = "文本文件|*.*|C#文件|*.cs|所有文件|*.*";

            openFileDialog.RestoreDirectory = true;

            openFileDialog.FilterIndex = 1;

            if (openFileDialog.ShowDialog() == DialogResult.OK)

            {

                textBox1.Text = openFileDialog.FileName;

            }

        }

        private void button1_Click(object sender, EventArgs e)

        {

            //定义一个ProcessStartInfo实例

            System.Diagnostics.ProcessStartInfo info = new System.Diagnostics.ProcessStartInfo();

            //设置启动进程的初始目录

            info.WorkingDirectory = Application.StartupPath;

            //设置启动进程的应用程序或文档名

            info.FileName = @textBox1.Text;

            //设置启动进程的参数

            info.Arguments = "";

            //启动由包含进程启动信息的进程资源

            try

            {



//我在这里是应该怎么指定文件打开第几页呢？

                System.Diagnostics.Process.Start(info);

            }



            catch&nbs