c#记事本

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 notepads
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}
List<string> a = new List<string>();
private void 打开ToolStripMenuItem_Click(object sender, EventArgs e)
{
OpenFileDialog open = new OpenFileDialog();//创建对话框
open.InitialDirectory = @"C:\Documents and Settings\All Users\桌面"; //设置对话框路径
open.Title = "对话框1"; //对话框标题
open.Filter = "文本文档|*.txt|所有文件|*.*";
open.Multiselect = true; //多选
open.ShowDialog(); //打开对话框
//string[] paths = open.FileName;
string paths = open.FileName; //读取文件的全路径
if (paths == "") return;
using (FileStream file = new FileStream(paths, FileMode.OpenOrCreate, FileAccess.Read))
{
byte[] bytes = new byte[1024 * 1024 * 5];
int r = file.Read(bytes, 0, bytes.Length);
this.textBox1.Text = Encoding.Default.GetString(bytes, 0, r);
} string ax = Path.GetFileName(paths);
listBox1.Items.Add(ax);
a.Add(paths); } private void 保存ToolStripMenuItem_Click(object sender, EventArgs e)
{
SaveFileDialog sd = new SaveFileDialog(); //创建
// 保存文件对话框
sd.InitialDirectory = @"C:\Documents and Settings\All Users\桌面"; //设置对话框路径
sd.Title = "对话框1"; //对话框标题
sd.Filter = "文本文档|*.txt|所有文件|*.*";
sd.ShowDialog();
string path = sd.FileName;
if (path == "") return;
using (FileStream fsv = new FileStream(path, FileMode.Create, FileAccess.Write))
{
byte[] bytes = Encoding.Default.GetBytes(this.textBox1.Text);
fsv.Write(bytes, 0, bytes.Length);
} } private void 自动换行ToolStripMenuItem_Click(object sender, EventArgs e)
{
if (this.textBox1.WordWrap == true)
{
this.textBox1.WordWrap = false;
}
else { this.textBox1.WordWrap = true;
}
} private void 字体ToolStripMenuItem_Click(object sender, EventArgs e)
{
FontDialog fonts = new FontDialog(); fonts.ShowDialog();
this.textBox1.Font = fonts.Font;
} private void 颜色ToolStripMenuItem_Click(object sender, EventArgs e)
{
ColorDialog color = new ColorDialog();
color.ShowDialog();
this.textBox1.ForeColor = color.Color;
} private void 显示ToolStripMenuItem_Click(object sender, EventArgs e)
{ panel1.Show(); } private void Form1_Load(object sender, EventArgs e)
{
//string[] path = Directory.GetFiles(@"C:\Documents and Settings\All Users\桌面", "*.txt"); } private void listBox1_SelectedIndexChanged(object sender, EventArgs e)
{ } private void 隐藏ToolStripMenuItem_Click(object sender, EventArgs e)
{
panel1.Hide();
} private void textBox1_TextChanged(object sender, EventArgs e)
{ } private void listBox1_DoubleClick(object sender, EventArgs e)
{
string name = a[listBox1.SelectedIndex];
using (FileStream file = new FileStream(name, FileMode.OpenOrCreate, FileAccess.Read))
{
byte[] bytes = new byte[1024 * 1024 * 5];
int r = file.Read(bytes, 0, bytes.Length);
this.textBox1.Text = Encoding.Default.GetString(bytes, 0, r);
}
this.textBox2.Text = a[listBox1.SelectedIndex];
} private void button1_Click(object sender, EventArgs e)
{
string pat = this.textBox2.Text; //File.Delete(pat);
}
}
}