C#编程-120：文件选择之OpenFileDialog控件

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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 OpenFileDialogTest
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}
private void btnOpen_Click(object sender, EventArgs e)
{
OpenFileDialog ofd = new OpenFileDialog();
ofd.InitialDirectory = @"C:UserspengshiyuDesktopdestination";
//设置文件筛选器
ofd.Filter = "文本文件(*.txt)|*.txt|Word文件(*.doc,*.docx)|*.doc;*.docx|所有文件(*.*)|*.*";
ofd.FilterIndex = 1;
ofd.Title = "openFileDialog实例";
ofd.FileName = "123";
ofd.ShowHelp = true;
if (ofd.ShowDialog() == DialogResult.OK)
{
string fName = ofd.FileName;
string fileCon = "";
StreamReader sr = new StreamReader(fName, Encoding.GetEncoding("gb2312"));
while ((fileCon = sr.ReadLine()) != null)
{
txtShow.Text += fileCon;
}
sr.Close();
}
}
}
}