一个WinForm记事本程序(包含主/下拉/弹出菜单/打开文件/保存文件/打印/页面设置/字体/颜色对话框/剪切版操作等等控件用法以及记事本菜单[1]

(一).说明

        功能类似Windows 操作系统自带的记事本.  一个WinForm记事本程序(包含主/下拉/弹出

        菜单/打开保存对话框等控件用法以及记事本菜单事件的具体代码)

(二).图片示例

(三).代码

using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.IO;
using System.Drawing.Printing;
using System.Data;

namespace 记事本
{
 /// <summary>
 /// Form1 的摘要说明。
 /// </summary>
 public class FormMain : System.Windows.Forms.Form
 {
  private System.Windows.Forms.TextBox textBoxEdit;
  /// <summary>
  /// 必需的设计器变量。
  /// </summary>
  private System.ComponentModel.Container components = null;
  private System.Windows.Forms.MainMenu mainMenu1;
  private System.Windows.Forms.MenuItem menuItem8;
  private System.Windows.Forms.MenuItem menuItem11;
  private System.Windows.Forms.MenuItem menuItem14;
  private System.Windows.Forms.MenuItem menuItem19;
  private System.Windows.Forms.MenuItem menuItem22;
  private System.Windows.Forms.MenuItem menuItemFile;
  private System.Windows.Forms.MenuItem menuItemEdit;
  private System.Windows.Forms.MenuItem menuItemFormat;
  private System.Windows.Forms.MenuItem menuItemNew;
  private System.Windows.Forms.MenuItem menuItemOpen;
  private System.Windows.Forms.MenuItem menuItemSave;
  private System.Windows.Forms.MenuItem menuItemSaveAs;
  private System.Windows.Forms.MenuItem menuItemPageSet;
  private System.Windows.Forms.MenuItem menuItemPrint;
  private System.Windows.Forms.MenuItem menuItemExit;
  private System.Windows.Forms.MenuItem menuItemUndo;
  private System.Windows.Forms.MenuItem menuItemCut;
  private System.Windows.Forms.MenuItem menuItemCopy;
  private System.Windows.Forms.MenuItem menuItemPaste;
  private System.Windows.Forms.MenuItem menuItemDel;
  private System.Windows.Forms.MenuItem menuItemSelAll;
  private System.Windows.Forms.MenuItem menuItemWordWrap;
  private System.Windows.Forms.MenuItem menuItemFont;
  private System.Windows.Forms.MenuItem menuItemColor;
  const int MaxLenght=2000000;
       
  private string currentFileName;
  private System.Drawing.Printing.PrintDocument printDocument=new PrintDocument();
  private bool needToSave;
  public FormMain()
  {
   //
   // Windows 窗体设计器支持所必需的
   //
   InitializeComponent();

   //
   // TODO: 在 InitializeComponent 调用后添加任何构造函数代码
   //
  }

  /// <summary>
  /// 清理所有正在使用的资源。
  /// </summary>
  protected override void Dispose( bool disposing )
  {
   if( disposing )
   {
    if (components != null)
    {
     components.Dispose();
    }
   }
   base.Dispose( disposing );
  }