C # Notepad

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 open toolstripmenuitem [click (object sender, EventArgs E)
{
Openfiledialog open = new openfiledialog(); / / create dialog
Open. Initialdirectory = @ "C: \ documents and settings \ all users \ desktop"; / / set dialog path
Open. Title = "dialog 1"; / / dialog title
Open. Filter = "text document" | *. TXT "| all files" * ";
Open. Multiselect = true; / / multiselect
Open. Showdialog(); / / open the dialog
//string[] paths = open.FileName;
String paths = open. Filename; / / read the full path of the file
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 save toolstripmenuitem [click (object sender, EventArgs E)
{
Savefiledialog SD = new savefiledialog(); / / create
//Save file dialog box
SD. Initialdirectory = @ "C: \ documents and settings \ all users \ desktop"; / / set dialog path
SD. Title = "dialog 1"; / / dialog title
Sd.filter = "text document" | *. TXT "| all files" * ";
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 auto wrap toolstripmenuitem [click (object sender, EventArgs E)
{
if (this.textBox1.WordWrap == true)
{
this.textBox1.WordWrap = false;
}
Else {
this.textBox1.WordWrap = true;
}
}
Private void font toolstripmenuitem [click (object sender, EventArgs E)
{
FontDialog fonts = new FontDialog();
fonts.ShowDialog();
this.textBox1.Font = fonts.Font;
}
Private void color toolstripmenuitem [click (object sender, EventArgs E)
{
ColorDialog color = new ColorDialog();
color.ShowDialog();
this.textBox1.ForeColor = color.Color;
}
Private void displays 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 \ desktop", "*. TXT");
}
private void listBox1_SelectedIndexChanged(object sender, EventArgs e)
{
}
Private void hide 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);
}
}
} 

C # Notepad