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

namespace?ShowImageByEllipse
{
????public?partial?class?Form1?:?Form
????{
????????public?Form1（）
????????{
????????????InitializeComponent（）;
????????}
????????private?Bitmap?SourceBitmap;
????????private?Bitmap?MyBitmap;
????????private?void?button2_Click（object?sender?EventArgs?e）
????????{
????????????//打開圖像文件
????????????OpenFileDialog?openFileDialog?=?new?OpenFileDialog（）;
????????????openFileDialog.Filter?=?“圖像文件（JPeg?Gif?Bmp?etc.）|*.jpg;*.jpeg;*.gif;*.bmp;*.tif;?*.tiff;?*.png|?JPeg?圖像文件（*.jpg;*.jpeg）|*.jpg;*.jpeg?|GIF?圖像文件（*.gif）|*.gif?|BMP圖像文件（*.bmp）|*.bmp|Tiff圖像文件（*.tif;*.tiff）|*.tif;*.tiff|Png圖像文件（*.png）|?*.png?|所有文件（*.*）|*.*“;
????????????if?（openFileDialog.ShowDialog（）?==?DialogResult.OK）
????????????{
????????????????//得到原始大小的圖像
????????????????SourceBitmap?=?new?Bitmap（openFileD

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2011-12-22?23:11??ShowImageByEllipse\
?????文件?????????944??2013-05-28?21:49??ShowImageByEllipse.sln
?????文件???????27136??2010-11-04?01:59??ShowImageByEllipse.suo
?????目錄???????????0??2011-12-22?23:11??ShowImageByEllipse\bin\
?????目錄???????????0??2013-05-28?21:49??ShowImageByEllipse\bin\Debug\
?????文件???????10240??2013-05-28?21:49??ShowImageByEllipse\bin\Debug\ShowImageByEllipse.exe
?????文件???????24064??2013-05-28?21:49??ShowImageByEllipse\bin\Debug\ShowImageByEllipse.pdb
?????文件????????1741??2010-07-13?17:05??ShowImageByEllipse\Form1.cs
?????文件????????4382??2010-07-08?22:28??ShowImageByEllipse\Form1.designer.cs
?????文件????????5814??2010-07-08?22:28??ShowImageByEllipse\Form1.resx
?????目錄???????????0??2011-12-22?23:11??ShowImageByEllipse\obj\
?????目錄???????????0??2013-05-28?21:49??ShowImageByEllipse\obj\Debug\
?????文件????????7200??2013-05-28?21:49??ShowImageByEllipse\obj\Debug\DesignTimeResolveAssemblyReferencesInput.cache
?????文件????????4228??2013-05-28?21:49??ShowImageByEllipse\obj\Debug\ShowImageByEllipse.csproj.FileListAbsolute.txt
?????文件?????????847??2013-05-28?21:49??ShowImageByEllipse\obj\Debug\ShowImageByEllipse.csproj.GenerateResource.Cache
?????文件????????1757??2013-05-28?21:49??ShowImageByEllipse\obj\Debug\ShowImageByEllipse.csprojResolveAssemblyReference.cache
?????文件???????10240??2013-05-28?21:49??ShowImageByEllipse\obj\Debug\ShowImageByEllipse.exe
?????文件?????????180??2013-05-28?21:49??ShowImageByEllipse\obj\Debug\ShowImageByEllipse.Form1.resources
?????文件???????24064??2013-05-28?21:49??ShowImageByEllipse\obj\Debug\ShowImageByEllipse.pdb
?????文件?????????180??2013-05-28?21:49??ShowImageByEllipse\obj\Debug\ShowImageByEllipse.Properties.Resources.resources
?????目錄???????????0??2013-05-28?21:49??ShowImageByEllipse\obj\Debug\TempPE\
?????文件????????4608??2013-05-28?21:49??ShowImageByEllipse\obj\Debug\TempPE\Properties.Resources.Designer.cs.dll
?????文件?????????499??2010-07-08?22:26??ShowImageByEllipse\Program.cs
?????目錄???????????0??2011-12-22?23:11??ShowImageByEllipse\Properties\
?????文件????????1368??2010-07-08?22:26??ShowImageByEllipse\Properties\AssemblyInfo.cs
?????文件????????2876??2013-05-28?21:49??ShowImageByEllipse\Properties\Resources.Designer.cs
?????文件????????5612??2010-07-08?22:26??ShowImageByEllipse\Properties\Resources.resx
?????文件????????1118??2013-05-28?21:49??ShowImageByEllipse\Properties\Settings.Designer.cs
?????文件?????????249??2010-07-08?22:26??ShowImageByEllipse\Properties\Settings.settings
?????文件????????4025??2013-05-28?21:49??ShowImageByEllipse\ShowImageByEllipse.csproj