using?System;
using?System.Collections.Generic;
using?System.ComponentModel;
using?System.Data;
using?System.Drawing;
using?System.Text;
using?System.Windows.Forms;
using?System.IO;
namespace?ex4_1
{
????public?partial?class?childForm?:?Form
????{
??????
????????public?childForm（Form1?parentint?title）
????????{
????????????InitializeComponent（）;
????????????this.MdiParent?=?parent;
??????????//??title++;
????????????this.Text?=?“無標題-記事本“?+?title;
????????}

????????public?void?childForm_FormClosing（object?sender?FormClosingEventArgs?e）
????????{
??????????

????????????if?（richTextBox1.Modified）
????????????{
???????????????
????????????????
??????????????????DialogResult?dr?=?MessageBox.Show（“文件“?+?this.Text+?“的文字已經(jīng)改變。\n想保存文件嗎？“?“記事本“?MessageBoxButtons.YesNoCancel?MessageBoxIcon.Asterisk）;
????????????????????switch?（dr）
????????????????????{
????????????????????????case?DialogResult.Yes:
????????????????????????????saveMenuItem_Click（sender?e）;
????????????????????????????if?（richTextBox1.Modified）
????????????????????????????{
????????????????????????????????e.Cancel?=?true;
????????????????????????????}
????????????????????????????break;
????????????????????????//no操作繼續(xù)執(zhí)行后續(xù)操作
????????????????????????case?DialogResult.No:
????????????????????????????break;
????????????????????????//取消操作不執(zhí)行后續(xù)動作
????????????????????????case?DialogResult.Cancel:
????????????????????????????e.Cancel?=?true;
????????????????????????????break;
????????????????????}
????????????????}
????????????
????????}
????????private?void?saveMenuItem_Click（object?sender?EventArgs?e）
????????{
????????????//?string?mFileName?=?this.ActiveMdiChild.Text;
????????????string?fileName?=?this.Text;
????????????string?richText?=richTextBox1.Text;
????????????string?pathName?=pathLabel.Text;
???????????
????????????Console.WriteLine（fileName）;
????????????try
????????????{
????????????????if?（fileName.StartsWith（“無標題-記事本“））
????????????????{
????????????????????saveAsStripMenuItem_Click（sender?e）;
????????????????}
????????????????else
????????????????{
????????????????richTextBox1.Modified?=?false;
???????????????????
????????????????????//filename應(yīng)為當前文件filename
????????????????????StreamWriter?sWriter?=?new?StreamWriter（pathName?false）;
????????????????????sWriter.Write（richText）;
????????????????????sWriter.Close（）;
????????????????}
????????????}
????????????catch?（Exception?err）
????????????{
????????????????MessageBox.Show（err.Message.ToString（））;
????????????}


????????}
????????private?void?saveAsStripMenuItem_Click（object?sender?EventArgs?e）
????????{
????????????Form1?mdiParent?=?（Form1）this.MdiParent;
????????????int?n?=?mdiParent.getNumber（）;

????????????n++;
????????????saveAsFileDialog.FileName?=?“新pot文檔“?+?n;
????????????try
????????????{
????????????????if?（saveAsFileDialog.ShowDialog（）?==?DialogResult.OK）
????????????????{
????????????????????richTextBox1.Modified?=?f

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件????????904??2008-10-08?23:14??復(fù)件?ex4-1\ex4-1.sln

????..A..H.?????22016??2008-11-01?15:25??復(fù)件?ex4-1\ex4-1.suo

?????文件???????8683??2008-10-26?20:30??復(fù)件?ex4-1\ex4-1\replace.cs

?????文件??????11426??2008-10-26?12:37??復(fù)件?ex4-1\ex4-1\search.cs

?????文件???????4535??2008-10-26?13:06??復(fù)件?ex4-1\ex4-1\ex4-1.csproj

?????文件????????464??2008-10-08?23:14??復(fù)件?ex4-1\ex4-1\Program.cs

?????文件????????945??2006-11-12?20:34??復(fù)件?ex4-1\ex4-1\Resources\Bold.PNG

?????文件????????965??2006-11-12?20:34??復(fù)件?ex4-1\ex4-1\Resources\Italic.PNG

?????文件????????953??2006-11-12?20:34??復(fù)件?ex4-1\ex4-1\Resources\Underline.PNG

?????文件???????1014??2008-11-01?11:18??復(fù)件?ex4-1\ex4-1\Resources\back.bmp

?????文件???????1074??2008-11-01?11:18??復(fù)件?ex4-1\ex4-1\Resources\fore.bmp

?????文件???????6995??2008-10-19?18:00??復(fù)件?ex4-1\ex4-1\search.Designer.cs

?????文件???????7172??2008-10-18?21:06??復(fù)件?ex4-1\ex4-1\replace.Designer.cs

?????文件???????5814??2008-10-18?21:06??復(fù)件?ex4-1\ex4-1\replace.resx

?????文件???????3883??2008-10-26?20:51??復(fù)件?ex4-1\ex4-1\childForm.cs

?????文件???????5814??2008-10-18?21:06??復(fù)件?ex4-1\ex4-1\search.resx

?????文件????????249??2008-10-08?23:14??復(fù)件?ex4-1\ex4-1\Properties\Settings.settings

?????文件???????1182??2008-10-08?23:14??復(fù)件?ex4-1\ex4-1\Properties\AssemblyInfo.cs

?????文件???????3840??2008-10-26?13:04??復(fù)件?ex4-1\ex4-1\Properties\Resources.Designer.cs

?????文件???????1101??2008-10-26?13:04??復(fù)件?ex4-1\ex4-1\Properties\Settings.Designer.cs

?????文件???????6928??2008-10-26?13:02??復(fù)件?ex4-1\ex4-1\Properties\Resources.resx

?????文件???????5632??2005-11-11?22:25??復(fù)件?ex4-1\ex4-1\bin\Debug\ex4-1.vshost.exe

?????文件??????49152??2008-11-01?15:38??復(fù)件?ex4-1\ex4-1\bin\Debug\ex4-1.exe

?????文件??????69120??2008-11-01?15:38??復(fù)件?ex4-1\ex4-1\bin\Debug\ex4-1.pdb

?????文件?????????20??2008-10-26?18:15??復(fù)件?ex4-1\ex4-1\bin\Debug\label1

?????文件????????360??2008-11-01?15:38??復(fù)件?ex4-1\ex4-1\obj\ex4-1.csproj.FileList.txt

?????文件???????2495??2008-11-01?15:38??復(fù)件?ex4-1\ex4-1\obj\Debug\ex4_1.Form1.resources

?????文件???????2050??2008-10-26?13:05??復(fù)件?ex4-1\ex4-1\obj\Debug\ex4_1.Properties.Resources.resources

?????文件??????49152??2008-11-01?15:38??復(fù)件?ex4-1\ex4-1\obj\Debug\ex4-1.exe

?????文件????????180??2008-10-18?21:06??復(fù)件?ex4-1\ex4-1\obj\Debug\ex4_1.search.resources

............此處省略23個文件信息