C#写的记事本

//notepad.cs

//==========================

using System;

using System.Drawing;

using System.Collections;

using System.ComponentModel;

using System.Windows.Forms;

using System.Data;

using System.IO;

namespace csnotepad

{

///

/// Summary description for Form1.

///

public class notepad : System.Windows.Forms.Form

{

private System.Windows.Forms.MainMenu mainMenu1;

private System.Windows.Forms.MenuItem menuItem1;

private System.Windows.Forms.MenuItem menuItem2;

private System.Windows.Forms.MenuItem menuItem3;

private System.Windows.Forms.MenuItem menuItem4;

private System.Windows.Forms.MenuItem menuItem5;

private System.Windows.Forms.MenuItem menuItem6;

private System.Windows.Forms.MenuItem menuItem7;

private System.Windows.Forms.MenuItem menuItem8;

private System.Windows.Forms.MenuItem menuItem9;

private System.Windows.Forms.MenuItem menuItem10;

private System.Windows.Forms.MenuItem menuItem11;

private System.Windows.Forms.MenuItem menuItem12;

private System.Windows.Forms.TextBox textBox1;

private System.Windows.Forms.MenuItem menuItem14;

private System.Windows.Forms.SaveFileDialog saveFileDialog1;

private System.Windows.Forms.MenuItem menuItem13;

private System.Windows.Forms.OpenFileDialog openFileDialog1;

private System.Windows.Forms.MenuItem menuItem15;

private System.Windows.Forms.MenuItem menuItem16;

///

/// Required designer variable.

///

private System.ComponentModel.Container components = null;

public notepad()

{

//

// Required for Windows Form Designer support

//

InitializeComponent();

//

// TODO: Add any constructor code after InitializeComponent call

//

}

///

/// Clean up any resources being used.

///

protected override void Dispose( bool disposing )

{

if( disposing )

{

if (components != null)

{

components.Dispose();

}

}

base.Dispose( disposing );

}

#region Windows Form Designer generated code

///

/// Required method for Designer support - do not modify

/// the contents of this method with the code editor.

///

private void InitializeComponent()

{

this.mainMenu1 = new System.Windows.Forms.MainMenu();

this.menuItem1 = new System.Windows.Forms.MenuItem();

this.menuItem2 = new System.Windows.Forms.MenuItem();

this.menuItem3 = new System.Windows.Forms.MenuItem();

this.menuItem13 = new System.Windows.Forms.MenuItem();

this.menuItem4 = new System.Windows.Forms.MenuItem();

this.menuItem14 = new System.Windows.Forms.MenuItem();

this.menuItem5 = new System.Windows.Forms.MenuItem();

this.menuItem6 = new System.Windows.Forms.MenuItem();

this.menuItem7 = new System.Windows.Forms.MenuItem();

this.menuItem8 = new System.Windows.Forms.MenuItem();

this.menuItem9 = new System.Windows.Forms.MenuItem();

this.menuItem10 = new System.Windows.Forms.MenuItem();

this.menuItem11 = new System.Windows.Forms.MenuItem();

this.menuItem12 = new System.Windows.Forms.MenuItem();

this.menuItem15 = new System.Windows.Forms.MenuItem();

this.openFileDialog1 = new System.Windows.Forms.OpenFileDialog();

this.saveFileDialog1 = new System.Windows.Forms.SaveFileDialog();

this.textBox1 = new System.Windows.Forms.TextBox();

this.menuItem16 = new System.Windows.Forms.MenuItem();

this.SuspendLayout();

//

// mainMenu1

//

this.mainMenu1.MenuItems.AddRange(new System.Windows.Forms.MenuItem[] {

this.menuItem1,

this.menuItem6,

this.menuItem11,

this.menuItem15});

//

// menuItem1

//

this.menuItem1.Index = 0;

this.menuItem1.MenuItems.AddRange(new System.Windows.Forms.MenuItem[] {

this.menuItem2,

this.menuItem3,

this.menuItem13,

this.menuItem4,

this.menuItem14,

this.menuItem5});

this.menuItem1.Text = "文件";

//

// menuItem2

//

this.menuItem2.Index = 0;

this.menuItem2.Text = "&New";

this.menuItem2.Click += new System.EventHandler(this.menuItem2_Click);

//

// menuItem3

//

this.menuItem3.Index = 1;

this.menuItem3.Text = "&Open";

this.menuItem3.Click += new System.EventHandler(this.menuItem3_Click);

//

// menuItem13

//

this.menuItem13.Index = 2;

this.menuItem13.Text = "-";

//

// menuItem4

//

this.menuItem4.Index = 3;

this.menuItem4.Text = "&Save";

this.menuItem4.Click += new System.EventHandler(this.menuItem4_Click);

//

// menuItem14

//

this.menuItem14.Index = 4;

this.menuItem14.Text = "-";

//

// menuItem5

//

this.menuItem5.Index = 5;

this.menuItem5.Text = "Exit";

this.menuItem5.Click += new System.EventHandler(this.menuItem5_Click_1);

//

// menuItem6

//

this.menuItem6.Index = 1;

this.menuItem6.MenuItems.AddRange(new System.Windows.Forms.MenuItem[] {

this.menuItem7,

this.menuItem8,

this.menuItem9,

this.menuItem10});

this.menuItem6.Text = "编辑";

//

// menuItem7

//

this.menuItem7.Index = 0;

this.menuItem7.Text = "&Cut";

this.menuItem7.Click += new System.EventHandler(this.menuItem7_Click);

//

// menuItem8

//

this.menuItem8.Index = 1;

this.menuItem8.Text = "&Copy";

this.menuItem8.Click += new System.EventHandler(this.menuItem8_Click);

//

// menuItem9

//

this.menuItem9.Index = 2;

this.menuItem9.Text = "Paste";

this.menuItem9.Click += new System.EventHandler(this.menuItem9_Click);

//

// menuItem10

//

this.menuItem10.Index = 3;

this.menuItem10.Text = "&Select All";

this.menuItem10.Click += new System.EventHandler(this.menuItem10_Click);

//

// menuItem11

//

this.menuItem11.Index = 2;

this.menuItem11.MenuItems.AddRange(new System.Windows.Forms.MenuItem[] {

this.menuItem12,

this.menuItem16});

this.menuItem11.Text = "帮助";

//

// menuItem12

//

this.menuItem12.Index = 0;

this.menuItem12.Text = "About";

this.menuItem12.Click += new System.EventHandler(this.menuItem12_Click);

//

// menuItem15

//

this.menuItem15.Index = 3;

this.menuItem15.Text = "";

//

// saveFileDialog1

//

this.saveFileDialog1.FileName = "doc1";

//

// textBox1

//

this.textBox1.Dock = System.Windows.Forms.DockStyle.Fill;

this.textBox1.Multiline = true;

this.textBox1.Name = "textBox1";

this.textBox1.ScrollBars = System.Windows.Forms.ScrollBars.Vertical;

this.textBox1.Size = new System.Drawing.Size(544, 321);

this.textBox1.TabIndex = 0;

this.textBox1.Text = "";

this.textBox1.TextChanged += new System.EventHandler(this.textBox1_TextChanged_1);

//

// menuItem16

//

this.menuItem16.Index = 1;

this.menuItem16.Text = "General";

this.menuItem16.Click += new System.EventHandler(this.menuItem16_Click);

//

// notepad

//

this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);

this.ClientSize = new System.Drawing.Size(544, 321);

this.Controls.AddRange(new System.Windows.Forms.Control[] {

this.textBox1});

this.ImeMode = System.Windows.Forms.ImeMode.Off;

this.Menu = this.mainMenu1;

this.Name = "notepad";

this.Text = "Notepad By 【孟宪会之精彩世界】";

this.Load += new System.EventHandler(this.Form1_Load);

this.ResumeLayout(false);

}

#endregion

///

/// The main entry point for the application.

///

[STAThread]

static void Main()

{

Application.Run(new notepad());

}

private void Form1_Load(object sender, System.EventArgs e)

{

}

private void menuItem3_Click(object sender, System.EventArgs e)

{

// for opening file

openFileDialog1.ShowDialog();

StreamReader sr = new StreamReader(openFileDialog1.FileName);

textBox1.Text = sr.ReadToEnd();

sr.Close();

}

private void menuItem7_Click(object sender, System.EventArgs e)

{

Clipboard.SetDataObject(textBox1.SelectedText);

textBox1.SelectedText="";

}

private void menuItem9_Click(object sender, System.EventArgs e)

{

textBox1.Paste();

}

private void textBox1_TextChanged(object sender, System.EventArgs e)

{

}

private void menuItem12_Click(object sender, System.EventArgs e)

{

Form2 helpnew = new Form2();

helpnew.Show();

}

private void textBox1_TextChanged_1(object sender, System.EventArgs e)

{

}

private void menuItem5_Click(object sender, System.EventArgs e)

{

}

private void menuItem5_Click_1(object sender, System.EventArgs e)

{

Dispose(true);

}

private void menuItem8_Click(object sender, System.EventArgs e)

{

textBox1.Copy();

}

private void menuItem10_Click(object sender, System.EventArgs e)

{

textBox1.SelectAll();

}

private void menuItem2_Click(object sender, System.EventArgs e)

{

textBox1.Clear();

}

private void menuItem4_Click(object sender, System.EventArgs e)

{

// for file save

saveFileDialog1.FileName = "*.txt";

//saveFileDialog1.FilterIndex ="*.txt";

saveFileDialog1.ShowDialog();

//MessageBox.Show (saveFileDialog1.FileName);

StreamWriter sw = new StreamWriter(saveFileDialog1.FileName);

sw.Write (textBox1.Text);

sw.Close();

}

private void menuItem16_Click(object sender, System.EventArgs e)

{

Form3 gen = new Form3 ();

gen.Show();

}

}

public class Form3 : System.Windows.Forms.Form

{

/// <summary>

/// Required designer variable.

/// </summary>

private System.ComponentModel.Container components = null;

public Form3()

{

//

// Required for Windows Form Designer support

//

InitializeComponent();

//

// TODO: Add any constructor code after InitializeComponent call

//

}

/// <summary>

/// Clean up any resources being used.

/// </summary>

protected override void Dispose( bool disposing )

{

if( disposing )

{

if(components != null)

{

components.Dispose();

}

}

base.Dispose( disposing );

}

#region Windows Form Designer generated code

/// <summary>

/// Required method for Designer support - do not modify

/// the contents of this method with the code editor.

/// </summary>

private void InitializeComponent()

{

//

// Form3

//

this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);

this.ClientSize = new System.Drawing.Size(292, 273);

this.Name = "Form3";

this.Text = "Form3";

this.Load += new System.EventHandler(this.Form3_Load);

}

#endregion

private void Form3_Load(object sender, System.EventArgs e)

{

}

}

public class Form2 : System.Windows.Forms.Form

{

/// <summary>

/// Required designer variable.

/// </summary>

private System.ComponentModel.Container components = null;

public Form2()

{

//

// Required for Windows Form Designer support

//

InitializeComponent();

//

// TODO: Add any constructor code after InitializeComponent call

//

}

/// <summary>

/// Clean up any resources being used.

/// </summary>

protected override void Dispose( bool disposing )

{

if( disposing )

{

if(components != null)

{

components.Dispose();

}

}

base.Dispose( disposing );

}

#region Windows Form Designer generated code

/// <summary>

/// Required method for Designer support - do not modify

/// the contents of this method with the code editor.

/// </summary>

private void InitializeComponent()

{

//

// Form2

//

this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);

this.ClientSize = new System.Drawing.Size(292, 273);

this.Name = "Form2";

this.Text = "Form2";

this.Load += new System.EventHandler(this.Form2_Load);

}

#endregion

private void Form2_Load(object sender, System.EventArgs e)

{

}

}

}