using?System;
using?System.Collections.Generic;
using?System.ComponentModel;
using?System.Data;
using?System.Drawing;
using?System.Linq;
using?System.Text;
using?System.Windows.Forms;
using?System.IO;
namespace?TextFile
{
????public?partial?class?Form1?:?Form
????{
????????public?bool?textsure?=?false;
????????string?TextFilename?=?““;
????????public?int?countf?=?0;//計(jì)數(shù)查找位置
????????public?int?countr?=?0;//計(jì)數(shù)查找位置
????????public?string?s;
????????public?string?sf;
????????public?string?sr;
????????
????????public?Form1（）
????????{
????????????InitializeComponent（）;
????????}

????????private?void?toolStripMenuItem1_Click（object?sender?EventArgs?e）
????????{

????????}

????????private?void?新建ToolStripMenuItem_Click（object?sender?EventArgs?e）
????????{
?????????????Ftext.Text?=?““;
?????????????textsure?=?false;
?????????????TextFilename?=?““;
????????}

????????private?void?格式OToolStripMenuItem_Click（object?sender?EventArgs?e）
????????{
???????????
????????}

????????private?void?打開ToolStripMenuItem_Click（object?sender?EventArgs?e）
????????{
???????????OpenFileDialog?openfile?=?new?OpenFileDialog（）;
????????????openfile.title?=?“打開文件“;
????????????openfile.Filter?=?“文本文件|*.txt|所有文件|*.*“;
????????????if?（openfile.ShowDialog（）?==?DialogResult.OK）//點(diǎn)擊打開按鈕才讀入文件
????????????{?
????????????????//1.聲明一個(gè)文件流
????????????????FileStream?fs?=?new?FileStream（openfile.FileName?FileMode.Open?FileAccess.Read?FileShare.Read）;
????????????????//2.創(chuàng)建讀寫器（sr操作fs將讀取器讀取進(jìn)來）
????????????????StreamReader?sr?=?new?StreamReader（fsEncoding.Default）;
????????????????//3.讀操作
????????????????Ftext.Text=?sr.ReadToEnd（）;
????????????????TextFilename?=?openfile.FileName;
????????????????//4.關(guān)閉讀取器
????????????????sr.Close（）;
????????????????//5.關(guān)閉文件流
????????????????fs.Close（）;
????????????????textsure?=?false;
????????????}
????????}

????????private?void?保存ToolStripMenuItem_Click（object?sender?EventArgs?e）
????????{
????????????closefile（）;
????????????save（）;
????????}

????????private?void?另存為AToolStripMenuItem_Click（object?sender?EventArgs?e）
????????{
????????????TextFilename?=?““;
????????????save（）;
????????}

????????private?void?退出ToolStripMenuItem_Click（object?sender?EventArgs?e）
????????{
????????????this.Close（）;
????????}

????????public?void?save（）
????????{
????????????if（TextFilename==““）{
????????????savefile.title?=?“保存文件“;
????????????savefile.Filter?=?“文本文件|*.txt“;
????????????if?（savefile.ShowDialog（）?==?DialogResult.OK）
????????????{
????????????????FileStream?fs?=?new?FileStream（savefile.FileName?FileMode.Create）;
????????????????StreamWriter?sw?=?new?StreamWriter（fs?Encoding.Default）;
????????????????sw.WriteLine（Ftext.Text）;
????????????????sw.Close（）;
????????????????fs.Close（）;
????????????????textsure?=?false;
????????????????TextFilename?=?openfile.FileName;
????????????????this.Close（）;
????????????}
?????????
????????????}else{
?????????????

?屬性????????????大小?????日期????時(shí)間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2014-05-11?13:32??TextFile\
?????目錄???????????0??2014-05-18?16:47??TextFile\TextFile\
?????文件???????23185??2014-05-26?20:14??TextFile\TextFile\Form1.Designer.cs
?????文件????????8647??2014-05-26?20:51??TextFile\TextFile\Form1.cs
?????文件????????6817??2014-05-26?20:14??TextFile\TextFile\Form1.resx
?????文件????????4223??2014-05-26?20:47??TextFile\TextFile\Form2.Designer.cs
?????文件?????????880??2014-05-26?20:52??TextFile\TextFile\Form2.cs
?????文件????????5817??2014-05-26?20:47??TextFile\TextFile\Form2.resx
?????文件????????3263??2014-05-23?19:40??TextFile\TextFile\Form3.Designer.cs
?????文件?????????808??2014-05-26?20:21??TextFile\TextFile\Form3.cs
?????文件????????5817??2014-05-23?19:40??TextFile\TextFile\Form3.resx
?????文件?????????489??2014-05-11?13:32??TextFile\TextFile\Program.cs
?????目錄???????????0??2014-05-11?13:32??TextFile\TextFile\Properties\
?????文件????????1348??2014-05-11?13:32??TextFile\TextFile\Properties\AssemblyInfo.cs
?????文件????????2867??2014-05-11?13:32??TextFile\TextFile\Properties\Resources.Designer.cs
?????文件????????5612??2014-05-11?13:32??TextFile\TextFile\Properties\Resources.resx
?????文件????????1094??2014-05-11?13:32??TextFile\TextFile\Properties\Settings.Designer.cs
?????文件?????????249??2014-05-11?13:32??TextFile\TextFile\Properties\Settings.settings
?????文件????????4283??2014-05-18?16:50??TextFile\TextFile\TextFile.csproj
?????目錄???????????0??2014-05-11?13:32??TextFile\TextFile\bin\
?????目錄???????????0??2014-05-11?13:37??TextFile\TextFile\bin\Debug\
?????文件???????21504??2014-05-31?22:18??TextFile\TextFile\bin\Debug\TextFile.exe
?????文件???????46592??2014-05-31?22:18??TextFile\TextFile\bin\Debug\TextFile.pdb
?????文件???????11600??2014-05-31?22:15??TextFile\TextFile\bin\Debug\TextFile.vshost.exe
?????文件?????????490??2010-03-17?22:39??TextFile\TextFile\bin\Debug\TextFile.vshost.exe.manifest
?????目錄???????????0??2014-05-11?13:32??TextFile\TextFile\obj\
?????目錄???????????0??2014-05-11?13:32??TextFile\TextFile\obj\x86\
?????目錄???????????0??2014-05-31?22:18??TextFile\TextFile\obj\x86\Debug\
?????文件????????4501??2014-05-17?20:20??TextFile\TextFile\obj\x86\Debug\DesignTimeResolveAssemblyReferences.cache
?????文件????????6248??2014-05-31?22:18??TextFile\TextFile\obj\x86\Debug\DesignTimeResolveAssemblyReferencesInput.cache
?????文件?????????328??2014-05-26?20:47??TextFile\TextFile\obj\x86\Debug\GenerateResource.read.1.tlog
............此處省略12個(gè)文件信息