mainform.cs

C#开发的文本编辑器

using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;
using System.IO;
using System.Threading;
using System.Diagnostics;
using Microsoft.VisualBasic;

namespace Editor
{
	/// <summary>
	/// Summary description for Form1.
	/// </summary>
	public class Form1 : System.Windows.Forms.Form
	{
		private System.Windows.Forms.StatusBar statusBar1;
		private System.Windows.Forms.MainMenu mainMenu1;
		private System.Windows.Forms.MenuItem mnuFile;
		private System.Windows.Forms.MenuItem mnuEdit;
		private System.Windows.Forms.MenuItem mnuView;
		private System.Windows.Forms.MenuItem mnuFileOpen;
		private System.Windows.Forms.MenuItem mnuFileSave;
		private System.Windows.Forms.MenuItem mnuFileSaveAs;
		private System.Windows.Forms.MenuItem mnuFileNew;
		private System.Windows.Forms.MenuItem mnuFileExit;
		private System.Windows.Forms.MenuItem mnuEditCut;
		private System.Windows.Forms.MenuItem mnuEditCopy;
		private System.Windows.Forms.MenuItem mnuEditPaste;
		private System.Windows.Forms.MenuItem mnuViewStatusBar;
		private System.Windows.Forms.OpenFileDialog openFileDialog1;
		private System.Windows.Forms.SaveFileDialog saveFileDialog1;
		private System.Windows.Forms.MenuItem menuItem1;
		private System.Windows.Forms.ImageList imageList1;
		private System.Windows.Forms.ToolBar toolBar1;
		private System.Windows.Forms.MenuItem mnuViewToolbar;
		private System.Windows.Forms.ToolBarButton tbFileNew;
		private System.Windows.Forms.ToolBarButton tbFileOpen;
		private System.Windows.Forms.ToolBarButton tbFileSave;
		private System.Windows.Forms.ToolBarButton tbAbout;
		private System.Windows.Forms.TextBox textBox1;
		private System.Windows.Forms.ContextMenu contextMenu1;
		private System.Windows.Forms.MenuItem menuItem5;
		private System.Windows.Forms.MenuItem cmnuFileOpen;
		private System.Windows.Forms.MenuItem cmnuFileSave;
		private System.Windows.Forms.MenuItem cmnuEditCut;
		private System.Windows.Forms.MenuItem cmnuEditCopy;
		private System.Windows.Forms.MenuItem cmnuEditPaste;
		private System.Windows.Forms.MenuItem dmnuFileNew;
		private System.Windows.Forms.MenuItem menuItem2;
		private System.Windows.Forms.ColorDialog colorDialog1;
		private System.Windows.Forms.FontDialog fontDialog1;
		private System.Windows.Forms.MenuItem mnuFormatSetFont;
		private System.Windows.Forms.MenuItem mnuFormatSetTextColor;
		private System.Windows.Forms.MenuItem mnuFormatSetBackgroundColor;
		private System.Windows.Forms.MenuItem menuItem3;
		private System.Windows.Forms.MenuItem menuItem4;
		private System.Windows.Forms.MenuItem menuItem6;
		private System.Windows.Forms.MenuItem menuItem7;
		private System.Windows.Forms.PrintPreviewDialog printPreviewDialog1;
		private System.Drawing.Printing.PrintDocument printDocument1;
		private System.Drawing.Printing.PrintDocument printDocument2;
		private System.Windows.Forms.MenuItem menuItem8;
		private System.Windows.Forms.MenuItem menuItem9;
		private System.Windows.Forms.ToolBarButton tbDir;
		private System.Windows.Forms.MenuItem menuItem10;
		private System.Windows.Forms.FolderBrowserDialog folderBrowserDialog1;
		private System.ComponentModel.IContainer components;

		public Form1()
		{
			//
			// 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()
		{
			this.components = new System.ComponentModel.Container();
			System.Resources.ResourceManager resources = new System.Resources.ResourceManager(typeof(Form1));
			this.mnuFile = new System.Windows.Forms.MenuItem();
			this.mnuFileNew = new System.Windows.Forms.MenuItem();
			this.mnuFileOpen = new System.Windows.Forms.MenuItem();
			this.mnuFileSave = new System.Windows.Forms.MenuItem();
			this.mnuFileSaveAs = new System.Windows.Forms.MenuItem();
			this.menuItem1 = new System.Windows.Forms.MenuItem();
			this.mnuFileExit = 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.tbFileNew = new System.Windows.Forms.ToolBarButton();
			this.mnuEditCopy = new System.Windows.Forms.MenuItem();
			this.cmnuEditPaste = new System.Windows.Forms.MenuItem();
			this.mnuFormatSetTextColor = new System.Windows.Forms.MenuItem();
			this.mnuViewStatusBar = new System.Windows.Forms.MenuItem();
			this.fontDialog1 = new System.Windows.Forms.FontDialog();
			this.statusBar1 = new System.Windows.Forms.StatusBar();
			this.imageList1 = new System.Windows.Forms.ImageList(this.components);
			this.cmnuFileOpen = new System.Windows.Forms.MenuItem();
			this.mnuFormatSetBackgroundColor = new System.Windows.Forms.MenuItem();
			this.dmnuFileNew = new System.Windows.Forms.MenuItem();
			this.mnuEditCut = new System.Windows.Forms.MenuItem();
			this.mnuEditPaste = new System.Windows.Forms.MenuItem();
			this.mnuEdit = new System.Windows.Forms.MenuItem();
			this.menuItem3 = new System.Windows.Forms.MenuItem();
			this.menuItem4 = new System.Windows.Forms.MenuItem();
			this.mnuViewToolbar = new System.Windows.Forms.MenuItem();
			this.toolBar1 = new System.Windows.Forms.ToolBar();
			this.tbFileOpen = new System.Windows.Forms.ToolBarButton();
			this.tbFileSave = new System.Windows.Forms.ToolBarButton();
			this.tbAbout = new System.Windows.Forms.ToolBarButton();
			this.textBox1 = new System.Windows.Forms.TextBox();
			this.contextMenu1 = new System.Windows.Forms.ContextMenu();
			this.cmnuFileSave = new System.Windows.Forms.MenuItem();
			this.menuItem5 = new System.Windows.Forms.MenuItem();
			this.cmnuEditCut = new System.Windows.Forms.MenuItem();
			this.cmnuEditCopy = new System.Windows.Forms.MenuItem();
			this.mainMenu1 = new System.Windows.Forms.MainMenu();
			this.mnuView = new System.Windows.Forms.MenuItem();
			this.menuItem2 = new System.Windows.Forms.MenuItem();
			this.mnuFormatSetFont = new System.Windows.Forms.MenuItem();
			this.menuItem9 = new System.Windows.Forms.MenuItem();
			this.colorDialog1 = new System.Windows.Forms.ColorDialog();
			this.saveFileDialog1 = new System.Windows.Forms.SaveFileDialog();
			this.openFileDialog1 = new System.Windows.Forms.OpenFileDialog();
			this.printPreviewDialog1 = new System.Windows.Forms.PrintPreviewDialog();
			this.printDocument1 = new System.Drawing.Printing.PrintDocument();
			this.printDocument2 = new System.Drawing.Printing.PrintDocument();
			this.tbDir = new System.Windows.Forms.ToolBarButton();
			this.menuItem10 = new System.Windows.Forms.MenuItem();
			this.folderBrowserDialog1 = new System.Windows.Forms.FolderBrowserDialog();
			this.SuspendLayout();
			// 
			// mnuFile
			// 
			this.mnuFile.Index = 0;
			this.mnuFile.MenuItems.AddRange(new System.Windows.Forms.MenuItem[] {
																					this.mnuFileNew,
																					this.mnuFileOpen,
																					this.mnuFileSave,
																					this.mnuFileSaveAs,
																					this.menuItem1,
																					this.mnuFileExit,
																					this.menuItem6,
																					this.menuItem7,
																					this.menuItem8,
																					this.menuItem10});
			this.mnuFile.Text = "&File";
			// 
			// mnuFileNew
			// 
			this.mnuFileNew.Index = 0;
			this.mnuFileNew.Shortcut = System.Windows.Forms.Shortcut.CtrlN;
			this.mnuFileNew.Text = "New";
			this.mnuFileNew.Click += new System.EventHandler(this.mnuFileNew_Click);
			// 
			// mnuFileOpen
			// 
			this.mnuFileOpen.Index = 1;
			this.mnuFileOpen.Shortcut = System.Windows.Forms.Shortcut.CtrlO;
			this.mnuFileOpen.Text = "Open";
			this.mnuFileOpen.Click += new System.EventHandler(this.mnuFileOpen_Click);
			// 
			// mnuFileSave
			// 
			this.mnuFileSave.Index = 2;
			this.mnuFileSave.Shortcut = System.Windows.Forms.Shortcut.CtrlS;
			this.mnuFileSave.Text = "Save";
			this.mnuFileSave.Click += new System.EventHandler(this.mnuFileSave_Click);
			// 
			// mnuFileSaveAs
			// 
			this.mnuFileSaveAs.Index = 3;
			this.mnuFileSaveAs.Text = "Save As";
			this.mnuFileSaveAs.Click += new System.EventHandler(this.mnuFileSaveAs_Click);
			// 
			// menuItem1
			// 
			this.menuItem1.Index = 4;
			this.menuItem1.Text = "-";
			// 
			// mnuFileExit
			// 
			this.mnuFileExit.Index = 5;
			this.mnuFileExit.Text = "Exit";
			this.mnuFileExit.Click += new System.EventHandler(this.mnuFileExit_Click);
			// 
			// menuItem6
			// 
			this.menuItem6.Index = 6;
			this.menuItem6.Text = "print view";
			this.menuItem6.Click += new System.EventHandler(this.menuItem6_Click);
			// 
			// menuItem7
			// 
			this.menuItem7.Index = 7;
			this.menuItem7.Text = "print";
			// 
			// menuItem8
			// 
			this.menuItem8.Index = 8;
			this.menuItem8.Text = "note";
			this.menuItem8.Click += new System.EventHandler(this.menuItem8_Click);
			// 
			// tbFileNew
			// 
			this.tbFileNew.ImageIndex = 0;
			this.tbFileNew.Text = "New";
			this.tbFileNew.ToolTipText = "Create a new text file";
			// 
			// mnuEditCopy
			// 
			this.mnuEditCopy.Index = 1;
			this.mnuEditCopy.Text = "Copy";
			this.mnuEditCopy.Click += new System.EventHandler(this.mnuEditCopy_Click);
			// 
			// cmnuEditPaste
			// 
			this.cmnuEditPaste.Index = 6;
			this.cmnuEditPaste.Text = "Paste";
			this.cmnuEditPaste.Click += new System.EventHandler(this.mnuEditPaste_Click);
			// 
			// mnuFormatSetTextColor
			// 
			this.mnuFormatSetTextColor.Index = 0;
			this.mnuFormatSetTextColor.Text = "Set Text Color";
			this.mnuFormatSetTextColor.Click += new System.EventHandler(this.mnuFormatSetTextColor_Click);
			// 
			// mnuViewStatusBar
			// 
			this.mnuViewStatusBar.Checked = true;
			this.mnuViewStatusBar.Index = 0;
			this.mnuViewStatusBar.Text = "Status Bar";
			this.mnuViewStatusBar.Click += new System.EventHandler(this.mnuViewStatusBar_Click);
			// 
			// fontDialog1
			// 
			this.fontDialog1.FontMustExist = true;
			this.fontDialog1.ScriptsOnly = true;
			this.fontDialog1.ShowApply = true;
			this.fontDialog1.ShowColor = true;
			this.fontDialog1.Apply += new System.EventHandler(this.fontDialog1_OnApply);
			// 
			// statusBar1
			// 
			this.statusBar1.Location = new System.Drawing.Point(0, 411);
			this.statusBar1.Name = "statusBar1";
			this.statusBar1.Size = new System.Drawing.Size(776, 22);
			this.statusBar1.TabIndex = 2;
			// 
			// imageList1
			// 
			this.imageList1.ImageSize = new System.Drawing.Size(16, 16);
			this.imageList1.ImageStream = ((System.Windows.Forms.ImageListStreamer)(resources.GetObject("imageList1.ImageStream")));
			this.imageList1.TransparentColor = System.Drawing.Color.Transparent;
			// 
			// cmnuFileOpen
			// 
			this.cmnuFileOpen.Index = 1;
			this.cmnuFileOpen.Text = "Open";
			this.cmnuFileOpen.Click += new System.EventHandler(this.mnuFileOpen_Click);
			// 
			// mnuFormatSetBackgroundColor
			// 
			this.mnuFormatSetBackgroundColor.Index = 1;
			this.mnuFormatSetBackgroundColor.Text = "Set Background Color";
			this.mnuFormatSetBackgroundColor.Click += new System.EventHandler(this.mnuFormatSetBackgroundColor_Click);
			// 
			// dmnuFileNew
			// 
			this.dmnuFileNew.Index = 0;
			this.dmnuFileNew.Text = "New";
			// 
			// mnuEditCut
			// 
			this.mnuEditCut.Index = 0;
			this.mnuEditCut.Text = "Cut";
			this.mnuEditCut.Click += new System.EventHandler(this.mnuEditCut_Click);
			// 
			// mnuEditPaste
			// 
			this.mnuEditPaste.Index = 2;
			this.mnuEditPaste.Text = "Paste";
			this.mnuEditPaste.Click += new System.EventHandler(this.mnuEditPaste_Click);
			// 
			// mnuEdit
			// 
			this.mnuEdit.Index = 1;
			this.mnuEdit.MenuItems.AddRange(new System.Windows.Forms.MenuItem[] {
																					this.mnuEditCut,
																					this.mnuEditCopy,
																					this.mnuEditPaste,
																					this.menuItem3,
																					this.menuItem4});
			this.mnuEdit.Text = "&Edit";
			// 
			// menuItem3
			// 
			this.menuItem3.Index = 3;
			this.menuItem3.Text = "select All";
			this.menuItem3.Click += new System.EventHandler(this.menuItem3_Click);
			// 
			// menuItem4
			// 
			this.menuItem4.Index = 4;
			this.menuItem4.Text = "undo";
			this.menuItem4.Click += new System.EventHandler(this.menuItem4_Click);
			// 
			// mnuViewToolbar
			// 
			this.mnuViewToolbar.Checked = true;
			this.mnuViewToolbar.Index = 1;
			this.mnuViewToolbar.Text = "Toolbar";
			this.mnuViewToolbar.Click += new System.EventHandler(this.mnuViewToolbar_Click);
			// 
			// toolBar1
			// 
			this.toolBar1.Buttons.AddRange(new System.Windows.Forms.ToolBarButton[] {
																						this.tbFileNew,
																						this.tbFileOpen,
																						this.tbFileSave,
																						this.tbAbout,
																						this.tbDir});
			this.toolBar1.ButtonSize = new System.Drawing.Size(60, 36);
			this.toolBar1.DropDownArrows = true;
			this.toolBar1.ImageList = this.imageList1;
			this.toolBar1.Location = new System.Drawing.Point(0, 0);
			this.toolBar1.Name = "toolBar1";
			this.toolBar1.ShowToolTips = true;
			this.toolBar1.Size = new System.Drawing.Size(776, 42);
			this.toolBar1.TabIndex = 2;
			this.toolBar1.ButtonClick += new System.Windows.Forms.ToolBarButtonClickEventHandler(this.toolBar1_ButtonClick);
			// 
			// tbFileOpen
			// 
			this.tbFileOpen.ImageIndex = 1;
			this.tbFileOpen.Text = "Open";
			this.tbFileOpen.ToolTipText = "Open an existing text file";
			// 
			// tbFileSave
			// 
			this.tbFileSave.ImageIndex = 2;
			this.tbFileSave.Text = "Save";
			this.tbFileSave.ToolTipText = "Save the contents in a text file";
			// 
			// tbAbout
			// 
			this.tbAbout.ImageIndex = 3;
			this.tbAbout.Text = "About";
			this.tbAbout.ToolTipText = "Information on the text editor";
			// 
			// textBox1
			// 
			this.textBox1.ContextMenu = this.contextMenu1;
			this.textBox1.Dock = System.Windows.Forms.DockStyle.Fill;
			this.textBox1.Font = new System.Drawing.Font("Courier New", 9.75F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((System.Byte)(0)));
			this.textBox1.Location = new System.Drawing.Point(0, 42);
			this.textBox1.Multiline = true;
			this.textBox1.Name = "textBox1";
			this.textBox1.ScrollBars = System.Windows.Forms.ScrollBars.Both;
			this.textBox1.Size = new System.Drawing.Size(776, 369);
			this.textBox1.TabIndex = 3;
			this.textBox1.Text = "";
			this.textBox1.TextChanged += new System.EventHandler(this.textBox1_TextChanged);
			// 
			// contextMenu1
			// 
			this.contextMenu1.MenuItems.AddRange(new System.Windows.Forms.MenuItem[] {
																						 this.dmnuFileNew,
																						 this.cmnuFileOpen,
																						 this.cmnuFileSave,
																						 this.menuItem5,
																						 this.cmnuEditCut,
																						 this.cmnuEditCopy,
																						 this.cmnuEditPaste});
			// 
			// cmnuFileSave
			// 
			this.cmnuFileSave.Index = 2;
			this.cmnuFileSave.Text = "Save";
			this.cmnuFileSave.Click += new System.EventHandler(this.mnuFileSave_Click);
			// 
			// menuItem5
			// 
			this.menuItem5.Index = 3;
			this.menuItem5.Text = "-";
			// 
			// cmnuEditCut
			// 
			this.cmnuEditCut.Index = 4;
			this.cmnuEditCut.Text = "Cut";
			this.cmnuEditCut.Click += new System.EventHandler(this.mnuEditCut_Click);
			// 
			// cmnuEditCopy
			// 
			this.cmnuEditCopy.Index = 5;
			this.cmnuEditCopy.Text = "Copy";
			this.cmnuEditCopy.Click += new System.EventHandler(this.mnuEditCopy_Click);
			// 
			// mainMenu1
			// 
			this.mainMenu1.MenuItems.AddRange(new System.Windows.Forms.MenuItem[] {
																					  this.mnuFile,
																					  this.mnuEdit,
																					  this.mnuView,
																					  this.menuItem2,
																					  this.menuItem9});
			// 
			// mnuView
			// 
			this.mnuView.Index = 2;
			this.mnuView.MenuItems.AddRange(new System.Windows.Forms.MenuItem[] {
																					this.mnuViewStatusBar,
																					this.mnuViewToolbar});
			this.mnuView.RadioCheck = true;
			this.mnuView.Text = "&View";
			// 
			// menuItem2
			// 
			this.menuItem2.Index = 3;
			this.menuItem2.MenuItems.AddRange(new System.Windows.Forms.MenuItem[] {
																					  this.mnuFormatSetTextColor,
																					  this.mnuFormatSetBackgroundColor,
																					  this.mnuFormatSetFont});
			this.menuItem2.Text = "Format";
			// 
			// mnuFormatSetFont
			// 
			this.mnuFormatSetFont.Index = 2;