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

namespace?GIFChangeJPG
{
????public?partial?class?Frm_Main?:?Form
????{
????????Bitmap?bitmap;
????????public?Frm_Main（）
????????{
????????????InitializeComponent（）;
????????}

????????private?void?buttonOpen_Click（object?sender?EventArgs?e）
????????{
????????????OpenFileDialog?openFileDialog?=?new?OpenFileDialog（）;
????????????openFileDialog.Filter?=?“*.gif|*.gif|*.jpg|*.jpg;“;
????????????openFileDialog.title?=?“打開ICO文件“;
????????????openFileDialog.Multiselect?=?false;
????????????if?（openFileDialog.ShowDialog（）?==?DialogResult.OK）
????????????{
????????????????if?（bitmap?!=?null）
????????????????{
????????????????????bitmap.Dispose（）;
????????????????}
????????????????string?fileName?=?openFileDialog.FileName;
??????????

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2011-12-22?23:11??GIFChangeJPG\
?????文件?????????926??2010-07-08?21:54??GIFChangeJPG.sln
?????目錄???????????0??2011-12-22?23:11??GIFChangeJPG\bin\
?????目錄???????????0??2011-12-22?23:13??GIFChangeJPG\bin\Debug\
?????文件????????4400??2010-07-13?00:56??GIFChangeJPG\Frm_Main.cs
?????文件????????7218??2010-07-09?02:46??GIFChangeJPG\Frm_Main.designer.cs
?????文件????????5814??2010-07-09?02:46??GIFChangeJPG\Frm_Main.resx
?????文件????????3839??2010-11-04?01:47??GIFChangeJPG\GIFChangeJPG.csproj
?????目錄???????????0??2011-12-22?23:11??GIFChangeJPG\obj\
?????目錄???????????0??2011-12-22?23:14??GIFChangeJPG\obj\Debug\
?????文件????????2236??2010-11-04?01:47??GIFChangeJPG\obj\Debug\GIFChangeJPG.csproj.FileListAbsolute.txt
?????目錄???????????0??2011-12-22?23:11??GIFChangeJPG\obj\Debug\TempPE\
?????文件?????????496??2010-07-08?21:55??GIFChangeJPG\Program.cs
?????目錄???????????0??2011-12-22?23:11??GIFChangeJPG\Properties\
?????文件????????1356??2010-07-08?21:54??GIFChangeJPG\Properties\AssemblyInfo.cs
?????文件????????2874??2010-07-08?21:54??GIFChangeJPG\Properties\Resources.Designer.cs
?????文件????????5612??2010-07-08?21:54??GIFChangeJPG\Properties\Resources.resx
?????文件????????1097??2010-07-08?21:54??GIFChangeJPG\Properties\Settings.Designer.cs
?????文件?????????249??2010-07-08?21:54??GIFChangeJPG\Properties\Settings.settings