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?caeser
{
????public?partial?class?Form1?:?Form
????{
????????private?int?key?=?0;
????????private?string?str?=?““;
????????private?OpenFileDialog?ofd?=?new?OpenFileDialog（）;
????????private?SaveFileDialog?sfd?=?new?SaveFileDialog（）;

????????public?Form1（）
????????{
????????????InitializeComponent（）;
????????????comboBox1.SelectedIndex?=?0;
????????}

????????private?void?button1_Click（object?sender?EventArgs?e）
????????{
????????????this.key?=?Convert.ToInt32（comboBox1.SelectedItem.ToString（））;
????????????char[]?ch?=?this.str.ToArray（）;
????????????//byte[]?a?=?System.Text.Encoding.Default.GetBytes（str）;
????????????
????????????string?strCaesar?=?““;
????????????if?（radioButton1.Checked?==?false?&&?radioButton2.Checked?==?false）
????????????{
????????????????MessageBox.Show（“請選擇所需要執(zhí)行的功能“）;
????????????}
????????????else?if?（radioButton1.Checked?==?true）
????????????{
????????????????for?（int?i?=?0;?i?????????????????{
????????????????????string?sou?=?ch[i].ToString（）;
????????????????????string?tar?=?““;
????????????????????bool?isChar?=?“abcdefghijklmnopqrstuvwxyz“.Contains（sou.ToLower（））;
????????????????????bool?isToUpperChar?=?isChar?&&?（sou.ToUpper（）?==?sou）;
????????????????????sou?=?sou.ToLower（）;
????????????????????if?（isChar）
????????????????????{
????????????????????????int?offset?=?（AscII（sou）?+?key?-?AscII（“a“））?%?（AscII（“z“）?-?AscII（“a“）?+?1）;
????????????????????????tar?=?Convert.ToChar（offset?+?AscII（“a“））.ToString（）;
????????????????????????if?（isToUpperChar）
????????????????????????{
????????????????????????????tar?=?tar.ToUpper（）;
????????????????????????}
????????????????????}
????????????????????else
????????????????????{
????????????????????????tar?=?sou;
????????????????????}
????????????????????strCaesar?+=?tar;
????????????????}
????????????}
????????????else?if?（radioButton2.Checked?==?true）
????????????{
????????????????for?（int?i?=?0;?i?????????????????{
????????????????????string?sou?=?ch[i].ToString（）;
????????????????????string?tar?=?““;
????????????????????bool?isChar?=?“abcdefghijklmnopqrstuvwxyz“.Contains（sou.ToLower（））;
????????????????????bool?isToUpperChar?=?isChar?&&?（sou.ToUpper（）?==?sou）;
????????????????????sou?=?sou.ToLower（）;
????????????????????if?（isChar）
????????????????????{
????????????????????????int?offset?=?（AscII（“z“）?+?key?-?AscII（sou））?%?（AscII（“z“）?-?AscII（“a“）?+?1）;
????????????????????????tar?=?Convert.ToChar（AscII（“z“）?-?offset）.ToString（）;
????????????????????????if?（isToUpperChar）
????????????????????????{
????????????????????????????tar?=?tar.ToUpper（）;
????????????????????????}
????????????????????}
????????????????????else
????????????????????{
???????????

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

?????文件??????15360??2011-09-26?14:37??caeser\caeser\bin\Debug\app.publish\Application?Files\caeser_1_0_0_0\caeser.exe.deploy

?????文件???????6652??2011-09-26?14:37??caeser\caeser\bin\Debug\app.publish\Application?Files\caeser_1_0_0_0\caeser.exe.manifest

?????文件?????????45??2011-09-26?14:37??caeser\caeser\bin\Debug\app.publish\autorun.inf

?????文件???????5593??2011-09-26?14:37??caeser\caeser\bin\Debug\app.publish\caeser.application

?????文件?????428984??2011-09-26?14:37??caeser\caeser\bin\Debug\app.publish\setup.exe

?????文件??????15872??2011-09-26?22:37??caeser\caeser\bin\Debug\caeser.exe

?????文件??????28160??2011-09-26?22:37??caeser\caeser\bin\Debug\caeser.pdb

?????文件??????11600??2011-09-26?22:37??caeser\caeser\bin\Debug\caeser.vshost.exe

?????文件????????490??2010-03-17?22:39??caeser\caeser\bin\Debug\caeser.vshost.exe.manifest

?????文件???????3725??2011-09-25?11:05??caeser\caeser\caeser.csproj

?????文件????????496??2011-09-26?14:43??caeser\caeser\caeser.csproj.user

?????文件???????1676??2011-09-26?14:37??caeser\caeser\caeser_TemporaryKey.pfx

?????文件???????6601??2011-09-26?22:37??caeser\caeser\Form1.cs

?????文件??????13070??2011-09-26?21:40??caeser\caeser\Form1.Designer.cs

?????文件???????6193??2011-09-26?21:40??caeser\caeser\Form1.resx

?????文件????????673??2011-09-26?22:37??caeser\caeser\obj\x86\Debug\caeser.csproj.FileListAbsolute.txt

?????文件??????15872??2011-09-26?22:37??caeser\caeser\obj\x86\Debug\caeser.exe

?????文件????????180??2011-09-26?21:40??caeser\caeser\obj\x86\Debug\caeser.Form1.resources

?????文件??????28160??2011-09-26?22:37??caeser\caeser\obj\x86\Debug\caeser.pdb

?????文件????????180??2011-09-26?18:33??caeser\caeser\obj\x86\Debug\caeser.Properties.Resources.resources

?????文件???????4440??2011-09-25?13:53??caeser\caeser\obj\x86\Debug\DesignTimeResolveAssemblyReferences.cache

?????文件???????6340??2011-09-26?22:37??caeser\caeser\obj\x86\Debug\DesignTimeResolveAssemblyReferencesInput.cache

?????文件????????240??2011-09-26?21:40??caeser\caeser\obj\x86\Debug\GenerateResource.read.1.tlog

?????文件????????574??2011-09-26?21:40??caeser\caeser\obj\x86\Debug\GenerateResource.write.1.tlog

?????文件???????8626??2011-09-25?13:58??caeser\caeser\obj\x86\Debug\ResolveAssemblyReference.cache

?????文件????????487??2011-09-25?11:00??caeser\caeser\Program.cs

?????文件???????1344??2011-09-25?11:00??caeser\caeser\Properties\AssemblyInfo.cs

?????文件???????2860??2011-09-25?11:00??caeser\caeser\Properties\Resources.Designer.cs

?????文件???????5612??2011-09-25?11:00??caeser\caeser\Properties\Resources.resx

?????文件???????1089??2011-09-25?11:00??caeser\caeser\Properties\Settings.Designer.cs

............此處省略20個文件信息