using?System;
using?System.Collections.Generic;
using?System.ComponentModel;
using?System.Data;
using?System.Drawing;
using?System.Linq;
using?System.Text;
using?System.Threading.Tasks;
using?System.Windows.Forms;
using?System.IO;

namespace?IO
{
????public?partial?class?Form1?:?Form
????{
????????string?myfile?=?““;
????????public?Form1（）
????????{
????????????InitializeComponent（）;
????????}

????????private?void?button1_Click（object?sender?EventArgs?e）
????????{
????????????openFileDialog1.Filter?=?“文本文件（*.txt）|*.txt“;
????????????openFileDialog1.ShowDialog（）;
????????????StreamReader?myread?=?new?StreamReader（openFileDialog1.FileNameEncoding.Default）;
????????????try
????????????{
????????????????textBox1.Text?=?““;
????????????????string?mys?=?myread.ReadLine（）;
????????????????while（mys!=null）
????????????????{
????????????????????textBox1.Text?=?textBox1.Text?+?mys?+?“\r\n“;
????????????????????mys?=?myread.ReadLine（）;//一行行讀取文件中的內容
????????????????}
????????????????myfile?=?openFileDialog1.FileName;
????????????}
????????????catch（Exception?ex）
????????????{
????????????????MessageBox.Show（“文件讀取失敗！“?+?ex.Message）;
????????????}
????????????finally
????????????{
????????????????myread.Close（）;
????????????}
????????}

????????private?void?button2_Click（object?sender?EventArgs?e）
????????{
????????????saveFileDialog1.Filter?=?“文本文件（*.txt）|*.txt“;
????????????if（saveFileDialog1.ShowDialog（）==DialogResult.OK&&saveFileDialog1.FileName!=““）
????????????{
????????????????myfile?=?saveFileDialog1.FileName;
????????????}
????????????StreamWriter?writer?=?new?StreamWriter（myfilefalseEncoding.Default）;//false表示改寫內容
????????????try
????????????{
????????????????foreach?（string?line?in?textBox1.Lines）
????????????????????writer.Write（line?+?“\n“?Encoding.Default）;
????????????????writer.Flush（）;//將緩沖的數據寫入流
????????????}
????????????catch（Exception?ex）
????????????{
????????????????MessageBox.Show（“文件保存失敗“?+?ex.Message）;
????????????}
????????????finally
????????????{
????????????????writer.Close（）;
????????????}
????????}

????????private?void?button3_Click（object?sender?EventArgs?e）
????????{
????????????this.Close（）;
????????}
????}
}

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

?????文件????????187??2015-08-14?14:23??IO\IO\App.config

?????文件??????????0??2015-08-14?15:59??IO\IO\bin\Debug\456.doc

?????文件??????31744??2015-08-17?12:24??IO\IO\bin\Debug\IO.exe

?????文件????????187??2015-08-14?14:23??IO\IO\bin\Debug\IO.exe.config

?????文件??????75264??2015-08-17?12:24??IO\IO\bin\Debug\IO.pdb

?????文件??????24224??2015-08-17?12:27??IO\IO\bin\Debug\IO.vshost.exe

?????文件????????187??2015-08-14?14:23??IO\IO\bin\Debug\IO.vshost.exe.config

?????文件????????490??2010-03-18?12:39??IO\IO\bin\Debug\IO.vshost.exe.manifest

?????文件???????2358??2015-08-14?14:42??IO\IO\Form1.cs

?????文件???????5053??2015-08-14?14:42??IO\IO\Form1.Designer.cs

?????文件???????6224??2015-08-14?14:42??IO\IO\Form1.resx

?????文件???????1335??2015-08-14?15:09??IO\IO\Form2.cs

?????文件???????3874??2015-08-14?15:09??IO\IO\Form2.Designer.cs

?????文件???????5817??2015-08-14?15:09??IO\IO\Form2.resx

?????文件???????2263??2015-08-14?15:45??IO\IO\Form3.cs

?????文件???????5663??2015-08-14?15:45??IO\IO\Form3.Designer.cs

?????文件???????5817??2015-08-14?15:45??IO\IO\Form3.resx

?????文件???????1110??2015-08-14?17:16??IO\IO\Form4.cs

?????文件???????4153??2015-08-14?16:55??IO\IO\Form4.Designer.cs

?????文件???????6020??2015-08-14?16:55??IO\IO\Form4.resx

?????文件???????2528??2015-08-14?17:20??IO\IO\Form5.cs

?????文件??????13103??2015-08-14?17:13??IO\IO\Form5.Designer.cs

?????文件???????5817??2015-08-14?17:13??IO\IO\Form5.resx

?????文件???????2768??2015-08-17?08:47??IO\IO\Form6.cs

?????文件???????7321??2015-08-17?08:47??IO\IO\Form6.Designer.cs

?????文件???????6025??2015-08-17?08:47??IO\IO\Form6.resx

?????文件???????2164??2015-08-17?10:05??IO\IO\Form7.cs

?????文件???????8959??2015-08-17?10:05??IO\IO\Form7.Designer.cs

?????文件???????5817??2015-08-17?10:05??IO\IO\Form7.resx

?????文件???????2506??2015-08-17?12:24??IO\IO\Form8.cs

............此處省略42個文件信息