using?System;
using?System.Collections;
using?System.Collections.Generic;
using?System.Linq;
using?System.Text;
using?System.Threading;
using?System.Threading.Tasks;

namespace?BookLib
{
????internal?interface?IBookCollection
????{
????????void?Clear（）;
????????void?Add（Book?n）;
????????Book?GetBook（string?ISBN）;
????????bool?IsSynchronized?{?get;?}
????????object?SyncRoot?{?get;?}

????}

????public?class?Book
????{
????????public?string?Name;
????????public?string?ISBN;
????????public?string?Author;
????????public?string?Publisher;
????}

?????class?BookLib?:?IBookCollection
?????{
?????????internal?Hashtable?bk?=?new?Hashtable（10）;
?????????public?virtual?void?Clear（）
?????????{
?????????????this.bk.Clear（）;
?????????}

?????????public?virtual?void?Add（Book?n）
?????????{
?????????????Console.WriteLine（“adding?book?for?threadid:?“?+?Thread.CurrentThread.GetHashCode（）?+?“?ISBN“?+?n.ISBN）;
?????????????Thread.Sleep（2000）;
?????????????bk.Add（n.ISBN?n）;
?????????}

?????????public?virtual?Book?GetBook（string?ISBN）
?????????{
?????????????Console.WriteLine（“getting?book?for?threadid:?“?+?Thread.CurrentThread.GetHashCode（））;
?????????????return?（Book）?bk[ISBN];
?????????}

?????????public?virtual?bool?IsSynchronized
?????????{
?????????????get?{?return?（false）;?}
?????????}

?????????public?virtual?object?SyncRoot
?????????{
?????????????get?{?return?（this）;?}
?????????}

?????????public?BookLib?Synchronized（）
?????????{
?????????????return?Synchronized（this）;
?????????}
?????????public?static?BookLib?Synchronized（BookLib?bc）
?????????{
?????????????if?（bc?==?null）
?????????????{
?????????????????throw?new?ArgumentNullException（“bc“）;
?????????????}
?????????????if?（bc.GetType（）?==?typeof?（SyncBookLib））
?????????????{
?????????????????throw?new?InvalidOperationException（“BookLib?reference?is?already?synchronized.“）;
?????????????}
?????????????return?new?SyncBookLib（bc）;
?????????}
?????????public?static?IBookCollection?Synchronized（IBookCollection?acc）
?????????{
?????????????if?（acc?==?null）
?????????????{
?????????????????throw?new?ArgumentNullException（“acc“）;
?????????????}
?????????????if?（acc.GetType（）?==?typeof（SyncBookLib））
?????????????{
?????????????????throw?new?InvalidOperationException（“BookLib?reference?is?already?synchronized.“）;
?????????????}
?????????????return?new?SyncBookLib（acc）;
?????????}
?????}

????internal?sealed?class?SyncBookLib?:?BookLib
????{
????????private?object?syncRoot;
????????private?object?booklib;

????????internal?SyncBookLib（IBookCollection?acc）
????????{
????????????booklib?=?acc;
????????????syncRoot?=?acc.SyncRoot;
????????}

????????public?override?void?Clear（）
????????{
????????????lock?（syncRoot）
????????????{
????????????????base.Clear（）;
????????????}
????????}

????????public?override?void?Add（Book?n）
????????{
????????????lock?（syncRoot）
????????????{
????????????????base.Add（n）;
??????

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

?????文件????6286308??2016-04-13?14:02??thread\C#線程參考手冊.pdf

?????文件????????187??2016-03-31?15:33??thread\code\BookLib\App.config

?????文件???????8192??2016-03-31?17:14??thread\code\BookLib\bin\Debug\BookLib.exe

?????文件????????187??2016-03-31?15:33??thread\code\BookLib\bin\Debug\BookLib.exe.config

?????文件??????19968??2016-03-31?17:14??thread\code\BookLib\bin\Debug\BookLib.pdb

?????文件??????23168??2016-03-31?17:14??thread\code\BookLib\bin\Debug\BookLib.vshost.exe

?????文件????????187??2016-03-31?15:33??thread\code\BookLib\bin\Debug\BookLib.vshost.exe.config

?????文件????????490??2013-03-18?17:00??thread\code\BookLib\bin\Debug\BookLib.vshost.exe.manifest

?????文件???????2556??2016-03-31?15:33??thread\code\BookLib\BookLib.csproj

?????文件????????247??2016-03-31?17:14??thread\code\BookLib\obj\Debug\BookLib.csproj.FileListAbsolute.txt

?????文件???????8192??2016-03-31?17:14??thread\code\BookLib\obj\Debug\BookLib.exe

?????文件??????19968??2016-03-31?17:14??thread\code\BookLib\obj\Debug\BookLib.pdb

?????文件????????725??2016-04-08?16:40??thread\code\BookLib\obj\Debug\DesignTimeResolveAssemblyReferences.cache

?????文件???????6589??2016-04-13?14:58??thread\code\BookLib\obj\Debug\DesignTimeResolveAssemblyReferencesInput.cache

?????文件??????????0??2016-03-31?15:33??thread\code\BookLib\obj\Debug\TemporaryGeneratedFile_036C0B5B-1481-4323-8D20-8F5ADCB23D92.cs

?????文件??????????0??2016-03-31?15:33??thread\code\BookLib\obj\Debug\TemporaryGeneratedFile_5937a670-0e60-4077-877b-f7221da3dda1.cs

?????文件??????????0??2016-03-31?15:33??thread\code\BookLib\obj\Debug\TemporaryGeneratedFile_E7A71F73-0F8D-4B9B-B56E-8E70B10BC5D3.cs

?????文件???????4934??2016-03-31?17:14??thread\code\BookLib\Program.cs

?????文件???????1356??2016-03-31?15:33??thread\code\BookLib\Properties\AssemblyInfo.cs

?????文件????????187??2016-04-01?14:25??thread\code\Calculate\App.config

?????文件???????6656??2016-04-05?16:44??thread\code\Calculate\bin\Debug\Calculate.exe

?????文件????????187??2016-04-01?14:25??thread\code\Calculate\bin\Debug\Calculate.exe.config

?????文件??????17920??2016-04-05?16:44??thread\code\Calculate\bin\Debug\Calculate.pdb

?????文件??????23168??2016-04-06?11:20??thread\code\Calculate\bin\Debug\Calculate.vshost.exe

?????文件????????187??2016-04-01?14:25??thread\code\Calculate\bin\Debug\Calculate.vshost.exe.config

?????文件????????490??2013-03-18?17:00??thread\code\Calculate\bin\Debug\Calculate.vshost.exe.manifest

?????文件???????2560??2016-04-01?14:25??thread\code\Calculate\Calculate.csproj

?????文件????????352??2016-04-06?11:20??thread\code\Calculate\obj\Debug\Calculate.csproj.FileListAbsolute.txt

?????文件???????1755??2016-04-05?16:17??thread\code\Calculate\obj\Debug\Calculate.csprojResolveAssemblyReference.cache

?????文件???????6656??2016-04-05?16:44??thread\code\Calculate\obj\Debug\Calculate.exe

............此處省略1291個文件信息