带历史信息的图形编辑软件菜单 

  
  1 using System;
  2 using System.Collections.Generic;
  3 using System.ComponentModel;
  4 using System.Data;
  5 using System.Drawing;
  6 using System.Linq;
  7 using System.Text;
  8 using System.Windows.Forms;
  9 using System.IO;//因为下面有用到流文件StreamWriter需定义IO
 10 
 11 namespace history
 12 {
 13     public partial class Form1 : Form
 14     {
 15         string address;
 16         public Form1()
 17         {
 18             InitializeComponent();
 19             address = System.Environment.CurrentDirectory;//对address定义
 20         }
 21 
 22         private void 打开ToolStripMenuItem_Click(object sender, EventArgs e)
 23         {
 24 
 25             openFileDialog1.FileName = "";            //设定打开文件对话框的初始内容为空
 26 
 27             this.openFileDialog1.ShowDialog();                    //显示打开文件对话框
 28 
 29             StreamWriter s = new StreamWriter(address + "\\Menu.ini", true);//定义一个以一种特定的编码向流中写入数据对象
 30 
 31             s.WriteLine(openFileDialog1.FileName);              //写入INI文件
 32 
 33             s.Flush();         //清理当前编写器的所有缓冲区，并使所有缓冲数据写入基础流
 34 
 35             s.Close();               //关闭当前的StreamWriter对象和基础流
 36 
 37             ShowWindows(openFileDialog1.FileName); //调用自定义方法ShowWindows
 38 
 39         }
 40         
 41         //读取INI文件并将信息加入菜单
 42         private void Form1_Load(object sender, EventArgs e) 
 43         {
 44 
 45             StreamReader sr = new StreamReader(address + "\\Menu.ini");  //声明一个以一种特定的编码从字节流中读取字符对象
 46 
 47             int i = this.文件ToolStripMenuItem.DropDownItems.Count - 2;   //定义一个int型变量i并为它赋值
 48 
 49             while (sr.Peek() >= 0)                          //读取INI文件
 50             {
 51 
 52                 ToolStripMenuItem menuitem = new ToolStripMenuItem(sr.ReadLine()); //声明一个ToolStripMenuItem对象
 53 
 54                 this.文件ToolStripMenuItem.DropDownItems.Insert(i, menuitem);   //向菜单中添加内容
 55 
 56                 i++;                                    //int变量i递增
 57 
 58                 menuitem.Click += new EventHandler(menuitem_Click);    //为菜单中的可选项生成处理程序
 59 
 60             }
 61 
 62             sr.Close();        //关闭当前的StreamReader对象和基础流
 63 
 64         }
 65 
 66         //自定义方法ShowWindows()用来加载背景图片并显示窗体
 67         private void menuitem_Click(object sender, EventArgs e)
 68         {
 69             ToolStripMenuItem menu = (ToolStripMenuItem)sender;
 70             ShowWindows(menu.Text);
 71         }
 72         public void ShowWindows(string fileName)//
 73         {
 74 
 75             Image p = Image.FromFile(fileName);         //定义一个Image型的变量p
 76 
 77             Form f = new Form();                        //定义一个Form型的变量f
 78 
 79             f.MdiParent = this;                              //设定当前窗体为MDI父窗体
 80 
 81             f.BackgroundImage = p;                            //为窗体f设置背景图片
 82 
 83             f.Show();                                     //显示窗体
 84 
 85         }
 86 
 87 
 88         private void 退出ToolStripMenuItem_Click_1(object sender, EventArgs e)
 89         {
 90             Application.Exit();
 91         }
 92 
 93         private void 关闭所有ToolStripMenuItem_Click_1(object sender, EventArgs e)
 94         {
 95             foreach (Form frm in this.MdiChildren) //用遍历获取所有子窗体 
 96             {
 97                 frm.Close(); //关闭子窗体
 98             }
 99         }  
100 
101     }
102 }

 

posted on 2017-01-18 14:17  Advance-1  阅读(121)  评论(0)    收藏  举报

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