using?System;
using?System.Collections.Generic;
using?System.ComponentModel;
using?System.Data;
using?System.Drawing;
using?System.Linq;
using?System.Text;
using?System.Threading.Tasks;
using?System.Windows.Forms;
using?System.Runtime.Serialization.Formatters.Binary;
using?System.IO;
using?System.Runtime.InteropServices;

namespace?OS
{
????public?partial?class?FileSystem?:?Form
????{
????????//共512塊，每塊512B，模擬一個256KB的磁盤
????????public?const?int?BlockByte?=?512;
????????public?const?int?BlockNum?=?512;

????????public?FileSystem（）
????????{
????????????InitializeComponent（）;
????????????Start（）;
????????????DiskRead（）;
????????????FATRead（）;
????????????FoldersRead（）;
????????????FilesRead（）;
????????????SerializeTree.TreeViewDataAccess.LoadTreeViewData（DirTreeView?“treeview.txt“）;
????????????DirTreeView.ExpandAll（）;
????????????GetAccountString（）;
????????????if?（MainForm.UserLevel?==?0）
????????????{
????????????????PermissionSetButton.Hide（）;
????????????}
????????????GetPercent（）;
????????}

????????[DllImport（“user32.dll“）]

????????public?static?extern?bool?ReleaseCapture（）;

????????[DllImport（“user32.dll“）]

????????public?static?extern?bool?SendMessage（IntPtr?hwnd?int?wMsg?int?wParam?int?lParam）;

????????bool?beginMove?=?false;//初始化鼠標位置

????????int?currentXPosition;

????????int?currentYPosition;

????????private?void?FileSystem_Load（object?sender?EventArgs?e）
????????{
????????????
????????}

????????protected?override?CreateParams?CreateParams
????????{
????????????get
????????????{
????????????????CreateParams?cp?=?base.CreateParams;
????????????????cp.Exstyle?|=?0x02000000;
????????????????return?cp;
????????????}
????????}

????????//FAT的格式“XXX-XXX”，需要用8個塊存儲FAT的內容
????????//程序中的文件夾以文件形式存儲，統一放到一個“文件夾文件”中，考慮到實際情況，這里給文件夾建立了一些限制，建立文件夾到一定數量
????????//后不能再建立文件夾，且文件夾的名字長度有一定限制。用4個塊存儲所有的文件夾內容。
????????//真正存儲文件的塊為500塊，模擬為250KB。
????????public?class?FAT??//FAT，NextBlock=0時表示未使用，
????????{
????????????public?int?Block;
????????????public?int?NextBlock;

????????????public?FAT（int?b?int?nb）
????????????{
????????????????Block?=?b;
????????????????NextBlock?=?nb;
????????????}

????????????public?override?string?ToString（）
????????????{
????????????????return?Block.ToString（）?+?“-“?+?NextBlock.ToString（）?+?“$“;
????????????}
????????}

????????public?class?FCB
????????{
????????????public?string?FileName;
????????????public?int?FileType;
????????????public?int?FirstBlockAddress;
????????????public?List?Address?=?new?List（）;
????????????public?int?FileSize;
????????????public?string?Father;
????????????public?string?CreateTime;
????????????public?int?Permission;

????????????public?FCB（）
????????????{
????????????????FileName?=?““;
????????????????FileType?=?0;
????????????????FirstBlockAddress?=?888;
????????????????FileSize?=?0;
????????????????Father?=?““;
????????????????Permission?=?1;
????????????}

????????????pub

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

?????文件????????136??2018-09-11?12:02??OS（4）\OS\.vs\OS\DesignTimeBuild\.dtbcache

????..A..H.?????76800??2018-09-11?12:52??OS（4）\OS\.vs\OS\v15\.suo

?????文件??????????0??2018-09-10?14:41??OS（4）\OS\.vs\OS\v15\Server\sqlite3\db.lock

?????文件?????716800??2018-09-11?11:48??OS（4）\OS\.vs\OS\v15\Server\sqlite3\storage.ide

?????文件??????32768??2018-09-11?12:20??OS（4）\OS\.vs\OS\v15\Server\sqlite3\storage.ide-shm

?????文件????4128272??2018-09-11?12:52??OS（4）\OS\.vs\OS\v15\Server\sqlite3\storage.ide-wal

?????文件?????794624??2018-09-11?11:26??OS（4）\OS\.vs\OS\v15\sqlite3\storage.ide

?????文件????????189??2018-08-30?19:37??OS（4）\OS\OS\App.config

?????文件???????3070??2018-09-02?20:53??OS（4）\OS\OS\app.manifest

?????文件?????262204??2018-09-11?12:48??OS（4）\OS\OS\bin\Debug\Disk.txt

?????文件?????262174??2018-09-11?00:26??OS（4）\OS\OS\bin\Debug\Disk2.txt

?????文件?????654336??2018-09-11?12:52??OS（4）\OS\OS\bin\Debug\OS.exe

?????文件????????189??2018-08-30?19:37??OS（4）\OS\OS\bin\Debug\OS.exe.config

?????文件?????138752??2018-09-11?12:52??OS（4）\OS\OS\bin\Debug\OS.pdb

?????文件????????993??2018-09-11?12:48??OS（4）\OS\OS\bin\Debug\treeview.txt

?????文件????????993??2018-09-11?01:03??OS（4）\OS\OS\bin\Debug\treeview2.txt

?????文件??????54871??2018-09-11?11:29??OS（4）\OS\OS\FileSystem.cs

?????文件??????39251??2018-09-11?02:57??OS（4）\OS\OS\FileSystem.Designer.cs

?????文件?????106149??2018-09-11?02:57??OS（4）\OS\OS\FileSystem.resx

?????文件???????8302??2018-09-11?11:21??OS（4）\OS\OS\LoginForm.cs

?????文件??????13795??2018-09-11?03:27??OS（4）\OS\OS\LoginForm.Designer.cs

?????文件?????308802??2018-09-11?03:27??OS（4）\OS\OS\LoginForm.resx

?????文件??????18422??2018-09-11?12:29??OS（4）\OS\OS\MainForm.cs

?????文件??????32885??2018-09-11?12:22??OS（4）\OS\OS\MainForm.Designer.cs

?????文件?????276050??2018-09-11?12:22??OS（4）\OS\OS\MainForm.resx

?????文件???????6957??2018-09-11?00:09??OS（4）\OS\OS\MemoryManagement.cs

?????文件???????1464??2018-08-31?10:44??OS（4）\OS\OS\obj\Debug\DesignTimeResolveAssemblyReferences.cache

?????文件???????7088??2018-09-10?22:58??OS（4）\OS\OS\obj\Debug\DesignTimeResolveAssemblyReferencesInput.cache

?????文件?????????42??2018-09-11?11:35??OS（4）\OS\OS\obj\Debug\OS.csproj.CoreCompileInputs.cache

?????文件???????5208??2018-09-11?11:58??OS（4）\OS\OS\obj\Debug\OS.csproj.FileListAbsolute.txt

............此處省略63個文件信息