using?System;
using?System.Collections.Generic;
using?System.Text;
using?System.IO;

namespace?FileSecurity
{
????///?

????///?說明：對文件進行位操作的類
????///?作者：周公
????///?日期：2008-4-16
????///?首發地址：http://blog.csdn.net/zhoufoxcn
????///?

????public?sealed?class?BitOperation
????{
????????//private?byte?actionByte;
????????private?int?fileLength;
????????private?string?fileName;//要加密的文件名
????????private?FileInfo?fileInfo;

????????///?

????????///?文件名
????????///?

????????public?string?FileName
????????{
????????????get?{?return?fileName;?}
????????????set
????????????{
????????????????if?（fileInfo?!=?null）
????????????????{
????????????????????fileInfo?=?null;//將當前文件置空，釋放資源
????????????????}
????????????????//如果更改了文件名，則重新創建FileIn

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

?????文件??????24576??2008-04-14?11:30??FileSecurity\bin\Debug\FileSecurity.exe

?????文件??????30208??2008-04-14?11:30??FileSecurity\bin\Debug\FileSecurity.pdb

?????文件???????5632??2005-11-11?22:25??FileSecurity\bin\Debug\FileSecurity.vshost.exe

?????目錄??????????0??2008-04-12?13:55??FileSecurity\bin\Debug

?????目錄??????????0??2008-04-02?14:40??FileSecurity\bin

?????文件???????3009??2008-04-16?14:14??FileSecurity\BitOperation.cs

?????文件???????3211??2008-04-16?14:45??FileSecurity\FileByteSecurity.cs

?????文件???????3336??2008-04-12?15:45??FileSecurity\FileSecurity.csproj

?????文件???????3787??2008-04-14?11:30??FileSecurity\MainForm.cs

?????文件???????7522??2008-04-14?11:29??FileSecurity\MainForm.Designer.cs

?????文件???????5814??2008-04-14?11:29??FileSecurity\MainForm.resx

?????文件????????845??2008-04-14?11:29??FileSecurity\obj\Debug\FileSecurity.csproj.GenerateResource.Cache

?????文件??????24576??2008-04-14?11:30??FileSecurity\obj\Debug\FileSecurity.exe

?????文件????????180??2008-04-14?11:29??FileSecurity\obj\Debug\FileSecurity.MainForm.resources

?????文件??????30208??2008-04-14?11:30??FileSecurity\obj\Debug\FileSecurity.pdb

?????文件????????180??2008-04-11?11:47??FileSecurity\obj\Debug\FileSecurity.Properties.Resources.resources

?????目錄??????????0??2008-04-02?14:40??FileSecurity\obj\Debug\Refactor

?????目錄??????????0??2008-04-02?14:39??FileSecurity\obj\Debug\TempPE

?????目錄??????????0??2008-04-14?11:30??FileSecurity\obj\Debug

?????文件????????554??2008-04-16?14:08??FileSecurity\obj\FileSecurity.csproj.FileListAbsolute.txt

?????目錄??????????0??2008-04-11?11:47??FileSecurity\obj

?????文件????????474??2008-04-02?14:40??FileSecurity\Program.cs

?????文件???????1202??2008-04-02?14:39??FileSecurity\Properties\AssemblyInfo.cs

?????文件???????2880??2008-04-02?14:39??FileSecurity\Properties\Resources.Designer.cs

?????文件???????5612??2008-04-02?14:39??FileSecurity\Properties\Resources.resx

?????文件???????1097??2008-04-02?14:39??FileSecurity\Properties\Settings.Designer.cs

?????文件????????249??2008-04-02?14:39??FileSecurity\Properties\Settings.settings

?????目錄??????????0??2008-04-02?14:39??FileSecurity\Properties

?????目錄??????????0??2008-04-16?14:45??FileSecurity

-----------?---------??----------?-----??----

............此處省略2個文件信息