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?File
{
????public?partial?class?Form1?:?Form
????{
????????public?Form1（）
????????{
????????????InitializeComponent（）;
????????}

????????private?void?groupBox1_Enter（object?sender?EventArgs?e）
????????{

????????}

????????private?void?button2_Click（object?sender?EventArgs?e）
????????{
????????????string?path?=?textBox1.Text;
????????????string?content?=?textBox2.Text;
????????????if?（path.Equals（null）?||?path.Equals（““））
????????????{
????????????????MessageBox.Show（“文件路徑不能為空““文件寫入提示“）;
????????????????return;
????????????}
????????????try
????????????{
????????????????FileStream?myfs?=?new?FileStream（pathFileMode.Create）;
????????????????StreamWriter?mysw?=?new?StreamWriter（myfs）;
????????????????mysw.Write（content）;
????????????????mysw.Close（）;
????????????????myfs.Close（）;
????????????????MessageBox.Show（“寫入成功“）;
????????????}
????????????catch?（Exception?ex）
????????????{
????????????????MessageBox.Show（ex.Message）;
????????????}
????????}

????????private?void?button1_Click（object?sender?EventArgs?e）
????????{
????????????this.openFileDialog1.ShowDialog（）;//openFileDialog1?是一個控件
????????????string?path?=?openFileDialog1.FileName;//獲取路徑
??????????????textBox1.Text?=path;
????????????if?（path.Equals（null）||path.Equals（““））
????????????{
????????????????return;
????????????}
????????????string?fileName?=?path.Substring（path.LastIndexOf（“.“））;
????????????if?（!fileName.Equals（“.txt“））
????????????{
????????????????MessageBox.Show（“請選擇文本文件““提示“）;
????????????????return;
????????????}
????????????try
????????????{
????????????????FileStream?myfs?=?new?FileStream（pathFileMode.Open）;
????????????????StreamReader?mysr?=?new?StreamReader（myfsEncoding.Default）;//Encoding.Default?當前系統編碼，也可以設為UTF-8
????????????????string?content?=?mysr.ReadToEnd（）;
????????????????textBox2.Text?=?content;
????????????????mysr.Close（）;
????????????????myfs.Close（）;
???????????????????
????????????}
????????????catch?（Exception?ex）
????????????{
????????????????MessageBox.Show（ex.Message）;
????????????}
????????}
????}
}

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

?????文件????????138??2018-06-04?19:59??File\.vs\File\DesignTimeBuild\.dtbcache

????..A..H.?????41472??2018-06-04?19:59??File\.vs\File\v15\.suo

?????文件??????????0??2018-06-04?12:13??File\.vs\File\v15\Server\sqlite3\db.lock

?????文件?????585728??2018-06-04?19:42??File\.vs\File\v15\Server\sqlite3\storage.ide

?????文件??????32768??2018-06-04?19:59??File\.vs\File\v15\Server\sqlite3\storage.ide-shm

?????文件????4120032??2018-06-04?20:01??File\.vs\File\v15\Server\sqlite3\storage.ide-wal

?????文件????????189??2018-06-04?12:13??File\File\App.config

?????文件??????10240??2018-06-04?19:48??File\File\bin\Debug\File.exe

?????文件????????189??2018-06-04?12:13??File\File\bin\Debug\File.exe.config

?????文件??????22016??2018-06-04?19:48??File\File\bin\Debug\File.pdb

?????文件???????3555??2018-06-04?12:22??File\File\File.csproj

?????文件???????2461??2018-06-04?19:56??File\File\Form1.cs

?????文件???????5365??2018-06-04?19:37??File\File\Form1.Designer.cs

?????文件???????6020??2018-06-04?19:37??File\File\Form1.resx

?????文件???????1443??2018-06-04?19:10??File\File\obj\Debug\DesignTimeResolveAssemblyReferences.cache

?????文件???????7164??2018-06-04?12:13??File\File\obj\Debug\DesignTimeResolveAssemblyReferencesInput.cache

?????文件?????????42??2018-06-04?12:13??File\File\obj\Debug\File.csproj.CoreCompileInputs.cache

?????文件????????745??2018-06-04?19:46??File\File\obj\Debug\File.csproj.FileListAbsolute.txt

?????文件???????1012??2018-06-04?19:46??File\File\obj\Debug\File.csproj.GenerateResource.cache

?????文件??????11490??2018-06-04?19:10??File\File\obj\Debug\File.csprojAssemblyReference.cache

?????文件??????10240??2018-06-04?19:48??File\File\obj\Debug\File.exe

?????文件????????180??2018-06-04?19:46??File\File\obj\Debug\File.Form1.resources

?????文件??????22016??2018-06-04?19:48??File\File\obj\Debug\File.pdb

?????文件????????180??2018-06-04?12:22??File\File\obj\Debug\File.Properties.Resources.resources

?????文件??????????0??2018-06-04?12:13??File\File\obj\Debug\TemporaryGeneratedFile_036C0B5B-1481-4323-8D20-8F5ADCB23D92.cs

?????文件??????????0??2018-06-04?12:13??File\File\obj\Debug\TemporaryGeneratedFile_5937a670-0e60-4077-877b-f7221da3dda1.cs

?????文件??????????0??2018-06-04?12:13??File\File\obj\Debug\TemporaryGeneratedFile_E7A71F73-0F8D-4B9B-B56E-8E70B10BC5D3.cs

?????文件????????516??2018-06-04?12:13??File\File\Program.cs

?????文件???????1306??2018-06-04?12:13??File\File\Properties\AssemblyInfo.cs

?????文件???????2821??2018-06-04?12:13??File\File\Properties\Resources.Designer.cs

............此處省略21個文件信息