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using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.IO;
using System.Threading;
namespace WindowsApplication85
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}
private void Form1_Load(object sender, EventArgs e)
{
FileStream fs = new FileStream("fs.txt", FileMode.OpenOrCreate, FileAccess.ReadWrite);
StreamReader sr = new StreamReader(fs);
this.textBox1.Text = sr.ReadToEnd();
fs.Close();
sr.Close();
}
private void textBox1_TextChanged(object sender, EventArgs e)
{
FileStream fs = new FileStream("fs.txt", FileMode.Truncate, FileAccess.ReadWrite);
StreamWriter sw = new StreamWriter(fs);
sw.Write(this.textBox1.Text, Encoding.Default);
sw.Close();
fs.Close();
}
}
}