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?readbmp2
{
????public?partial?class?Form1?:?Form
????{

????????void?GrayMenuClick（）
????????{
????????????Bitmap?bmp?=?new?Bitmap（picBox.Image）;
????????????Bitmap?newbmp?=?new?Bitmap（picBox.Image）;
????????????Color?c?=?new?Color（）;
????????????Color?NewC;
????????????Byte?r?g?b?gray;

????????????for?（int?i?=?0;?i?????????????{
????????????????for?（int?j?=?0;?j?????????????????{
????????????????????c?=?bmp.GetPixel（i?j）;
????????????????????r?=?c.R;
????????????????????g?=?c.G;
????????????????????b?=?c.B;
????????????????????gray?=?（Byte）（（r?*?19595?+?g?*?38469?+?b?*?7472）?>>?16）;
????????????????????NewC?=?Color.FromArgb（gray?gray?gray）;
????????????????????newbmp.SetPixel（i?j?NewC）;
????????????????}
????????????}

????????????//?刷新顯示
????????????picBox.Refresh（）;
????????????picBox.Image?=?newbmp;
????????}
????????void?SaveMenuClick（）
?????{
??????????string?filename;
?????????SaveFileDialog?dlg=new?SaveFileDialog（）;
??????????dlg.Filter=“JPG?File（*.jpg）|*.jpg|Bmp?File（*.bmp）|*.bmp|All?Files（*.*）|*.*“;
??????????if?（dlg.ShowDialog（）==?DialogResult.OK）?{
??????????????filename=dlg.FileName;
?????????????if?（picBox.Image!=null）?{
?????????????????picBox.Image.Save（filename）;
?????????????}
?????????????else
?????????????{
????????????????MessageBox.Show（“沒有圖像可以保存！“）;
?????????????}
?????????}
?????}


????????public?Form1（）
????????{
????????????InitializeComponent（）;
????????}

????????private?void?Form1_Load（object?sender?EventArgs?e）
????????{

????????????picBox.Location?=?new?Point（30?30）;
????????????picBox.Size?=?new?Size（400?300）;
????????????btnOpen.Location?=?new?Point（30?350）;
????????????button2.Location?=?new?Point（180?350）;
????????????button3.Location?=?new?Point（310?350）;
????????????
????????}

????????private?void?btnOpen_Click（object?sender?EventArgs?e）
????????{
????????????OpenFileDialog?ofdPic?=?new?OpenFileDialog（）;
????????????ofdPic.Filter?=?“JPG（*.JPG;*.JPEG）;gif文件（*.GIF）|*.jpg;*.jpeg;*.gif“;
????????????ofdPic.FilterIndex?=?1;
????????????ofdPic.RestoreDirectory?=?true;
????????????ofdPic.FileName?=?““;
????????????if?（ofdPic.ShowDialog（）?==?DialogResult.OK）
????????????{
????????????????string?sPicPaht?=?ofdPic.FileName.ToString（）;
????????????????FileInfo?fiPicInfo?=?new?FileInfo（sPicPaht）;
????????????????long?lPicLong?=?fiPicInfo.Length?/?1024;
????????????????string?sPicName?=?fiPicInfo.Name;
????????????????string?sPicDirectory?=?fiPicInfo.Directory.ToString（）;
????????????????string?sPicDirectoryPath?=?fiPicInfo.DirectoryName;
????????????????Bitmap?bmPic?=?new?Bitmap（sPicPaht）;
????????????????//if?（lPicLong?>?400）
????????????????//{
????????????????//?

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2012-06-11?10:49??readbmp2\
?????目錄???????????0??2012-06-11?10:48??readbmp2\readbmp2\
?????文件?????????866??2012-06-10?11:21??readbmp2\readbmp2.sln
?????文件???????18944??2012-06-11?10:39??readbmp2\readbmp2.suo
?????目錄???????????0??2012-06-11?10:48??readbmp2\readbmp2\bin\
?????目錄???????????0??2012-06-11?10:48??readbmp2\readbmp2\bin\Debug\
?????文件???????10752??2012-06-11?10:46??readbmp2\readbmp2\bin\Debug\readbmp2.exe
?????文件???????26112??2012-06-11?10:46??readbmp2\readbmp2\bin\Debug\readbmp2.pdb
?????文件???????11600??2012-06-11?10:46??readbmp2\readbmp2\bin\Debug\readbmp2.vshost.exe
?????文件?????????490??2010-03-17?22:39??readbmp2\readbmp2\bin\Debug\readbmp2.vshost.exe.manifest
?????文件????????4094??2012-06-11?10:46??readbmp2\readbmp2\Form1.cs
?????文件????????4375??2012-06-11?10:43??readbmp2\readbmp2\Form1.Designer.cs
?????文件????????5817??2012-06-11?10:43??readbmp2\readbmp2\Form1.resx
?????目錄???????????0??2012-06-11?10:48??readbmp2\readbmp2\obj\
?????目錄???????????0??2012-06-11?10:48??readbmp2\readbmp2\obj\x86\
?????目錄???????????0??2012-06-11?10:48??readbmp2\readbmp2\obj\x86\Debug\
?????文件????????4501??2012-06-10?18:10??readbmp2\readbmp2\obj\x86\Debug\DesignTimeResolveAssemblyReferences.cache
?????文件????????6362??2012-06-11?10:46??readbmp2\readbmp2\obj\x86\Debug\DesignTimeResolveAssemblyReferencesInput.cache
?????文件?????????228??2012-06-11?10:43??readbmp2\readbmp2\obj\x86\Debug\GenerateResource.read.1.tlog
?????文件?????????558??2012-06-11?10:43??readbmp2\readbmp2\obj\x86\Debug\GenerateResource.write.1.tlog
?????文件?????????892??2012-06-11?10:46??readbmp2\readbmp2\obj\x86\Debug\readbmp2.csproj.FileListAbsolute.txt
?????文件???????10752??2012-06-11?10:46??readbmp2\readbmp2\obj\x86\Debug\readbmp2.exe
?????文件?????????180??2012-06-11?10:43??readbmp2\readbmp2\obj\x86\Debug\readbmp2.Form1.resources
?????文件???????26112??2012-06-11?10:46??readbmp2\readbmp2\obj\x86\Debug\readbmp2.pdb
?????文件?????????180??2012-06-10?18:32??readbmp2\readbmp2\obj\x86\Debug\readbmp2.Properties.Resources.resources
?????文件????????8031??2012-06-10?18:32??readbmp2\readbmp2\obj\x86\Debug\ResolveAssemblyReference.cache
?????目錄???????????0??2012-06-10?11:20??readbmp2\readbmp2\obj\x86\Debug\TempPE\
?????文件?????????489??2012-06-10?11:20??readbmp2\readbmp2\Program.cs
?????目錄???????????0??2012-06-11?10:48??readbmp2\readbmp2\Properties\
?????文件????????1366??2012-06-10?11:20??readbmp2\readbmp2\Properties\AssemblyInfo.cs
?????文件????????2866??2012-06-10?11:20??readbmp2\readbmp2\Properties\Resources.Designer.cs
............此處省略5個文件信息