using?System;
using?System.Collections.Generic;
using?System.ComponentModel;
using?System.Data;
using?System.Drawing;
using?System.Linq;
using?System.Text;
using?System.Threading;
using?System.Threading.Tasks;
using?System.Windows.Forms;
using?WindowsFormsApplication1.Properties;

namespace?WindowsFormsApplication1
{
????public?partial?class?Form1?:?Form
????{
???????
??????
???????
????????private?static?int[]?buffer?=?new?int[2];//緩沖區數組?0表示空，1表示蘋果，2表示橘子?

????????Thread?t1?=?null;
????????Thread?t2?=?null;
????????Thread?t3?=?null;
????????Thread?t4?=?null;
????????private?static?Mutex?mutex?=?new?Mutex（）;
????????private?static?Semaphore?sempty?=?new?Semaphore（2?2）;??//剩余空位的信號量
????????private?static?Semaphore?dorange?=?new?Semaphore（0?2）;??//橘子個數的信號量
????????private?static?Semaphore?sapple?=?new?Semaphore（0?2）;???//蘋果個數的信號量

????????public?Form1（）
????????{?

????????????
????????????InitializeComponent（）;
????????????Form1.CheckForIllegalCrossThreadCalls?=?false;
????????}

????????private?void?Form1_Load（object?sender?EventArgs?e）
????????{
????????????//讓控件不閃爍
???????????
???????????
????????????orange.Hide（）;
????????????apple.Hide（）;
????????????pictureBox2.Hide（）;
????????????pictureBox1.Hide（）;
????????????//創建four個線程并啟動
???????????
????????}
????????

???????
????????public?void?ThreadProductOrange（）
????????{
????????????while（true）
????????????{
????????????????this.Setstyle（Controlstyles.OptimizedDoubleBuffer?|?Controlstyles.ResizeRedraw?|?Controlstyles.AllPaintingInWmPaint?true）;
????????????????mother.Location?=?new?Point（this.mother.Location.X?-?1?this.mother.Location.Y?+?1）;
????????????????if?（this.mother.Location.Y==?203）
????????????????{
????????????????????sempty.WaitOne（）;
????????????????????
????????????????????mutex.WaitOne（）;

????????????????????if?（buffer[0]?==?0）
????????????????????{
????????????????????????buffer[0]?=?1;

????????????????????????orange.Show（）;
????????????????????????mutex.ReleaseMutex（）;
????????????????????????dorange.Release（）;


????????????????????}
????????????????????else?if?（buffer[1]?==?0）
????????????????????{
????????????????????????buffer[1]?=?1;

????????????????????????pictureBox2.Show（）;
????????????????????????mutex.ReleaseMutex（）;
????????????????????????dorange.Release（）;
????????????????????}

????????????????}
???????????????if?（this.mother.Location.Y?>=?203）
????????????????{
????????????????????mother.Location?=?new?Point（525?53）;
????????????????}
????????????????Thread.Sleep（30）;

????????????}
????????}

????????????
????????
???????????????????
???????????????????
???????????????????
????????????????
??????????????
????????
????????public?void?ThreadProductApple（）
????????{
????????????while?（true）
????????????{
????????????????this.Setstyle（Controlstyles.OptimizedDoubleBuffer?|?Controlstyles.ResizeRedraw?|?Controlstyles.AllPaintingInWmPaint?true）;
?????????

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2016-11-15?21:04??WindowsFormsApplication1\
?????目錄???????????0??2016-11-15?21:04??WindowsFormsApplication1\.vs\
?????目錄???????????0??2016-11-15?21:04??WindowsFormsApplication1\.vs\WindowsFormsApplication1\
?????目錄???????????0??2016-11-15?21:04??WindowsFormsApplication1\.vs\WindowsFormsApplication1\v14\
?????文件???????74752??2016-11-14?23:08??WindowsFormsApplication1\.vs\WindowsFormsApplication1\v14\.suo
?????目錄???????????0??2016-11-15?21:04??WindowsFormsApplication1\WindowsFormsApplication1\
?????文件????????1039??2016-11-01?21:01??WindowsFormsApplication1\WindowsFormsApplication1.sln
?????文件????????8180??2016-11-01?21:13??WindowsFormsApplication1\WindowsFormsApplication1\235013-14032Q05P815.jpg
?????文件?????????189??2016-11-01?21:01??WindowsFormsApplication1\WindowsFormsApplication1\App.config
?????目錄???????????0??2016-11-15?21:04??WindowsFormsApplication1\WindowsFormsApplication1\bin\
?????目錄???????????0??2016-11-15?21:04??WindowsFormsApplication1\WindowsFormsApplication1\bin\Debug\
?????文件?????2064896??2016-11-15?21:03??WindowsFormsApplication1\WindowsFormsApplication1\bin\Debug\WindowsFormsApplication1.exe
?????文件?????????189??2016-11-01?21:01??WindowsFormsApplication1\WindowsFormsApplication1\bin\Debug\WindowsFormsApplication1.exe.config
?????文件???????36352??2016-11-15?21:03??WindowsFormsApplication1\WindowsFormsApplication1\bin\Debug\WindowsFormsApplication1.pdb
?????文件???????22696??2016-11-15?20:54??WindowsFormsApplication1\WindowsFormsApplication1\bin\Debug\WindowsFormsApplication1.vshost.exe
?????文件?????????189??2016-11-01?21:01??WindowsFormsApplication1\WindowsFormsApplication1\bin\Debug\WindowsFormsApplication1.vshost.exe.config
?????文件?????????490??2012-06-06?02:06??WindowsFormsApplication1\WindowsFormsApplication1\bin\Debug\WindowsFormsApplication1.vshost.exe.manifest
?????目錄???????????0??2016-11-12?17:41??WindowsFormsApplication1\WindowsFormsApplication1\bin\Release\
?????文件????????8293??2016-11-15?21:02??WindowsFormsApplication1\WindowsFormsApplication1\Form1.cs
?????文件???????10109??2016-11-15?21:02??WindowsFormsApplication1\WindowsFormsApplication1\Form1.Designer.cs
?????文件??????105700??2016-11-15?21:02??WindowsFormsApplication1\WindowsFormsApplication1\Form1.resx
?????文件?????????628??2016-11-12?18:52??WindowsFormsApplication1\WindowsFormsApplication1\GoodsApple.cs
?????文件?????????759??2016-11-12?18:52??WindowsFormsApplication1\WindowsFormsApplication1\GoodsOrange.cs
?????目錄???????????0??2016-11-15?21:04??WindowsFormsApplication1\WindowsFormsApplication1\obj\
?????目錄???????????0??2016-11-15?21:04??WindowsFormsApplication1\WindowsFormsApplication1\obj\Debug\
?????文件????????1464??2016-11-02?16:20??WindowsFormsApplication1\WindowsFormsApplication1\obj\Debug\DesignTimeResolveAssemblyReferences.cache
?????文件????????8577??2016-11-12?18:31??WindowsFormsApplication1\WindowsFormsApplication1\obj\Debug\DesignTimeResolveAssemblyReferencesInput.cache
?????文件???????????0??2016-11-01?21:01??WindowsFormsApplication1\WindowsFormsApplication1\obj\Debug\TemporaryGeneratedFile_036C0B5B-1481-4323-8D20-8F5ADCB23D92.cs
?????文件???????????0??2016-11-01?21:01??WindowsFormsApplication1\WindowsFormsApplication1\obj\Debug\TemporaryGeneratedFile_5937a670-0e60-4077-877b-f7221da3dda1.cs
?????文件???????????0??2016-11-01?21:01??WindowsFormsApplication1\WindowsFormsApplication1\obj\Debug\TemporaryGeneratedFile_E7A71F73-0F8D-4B9B-B56E-8E70B10BC5D3.cs
?????目錄???????????0??2016-11-15?21:04??WindowsFormsApplication1\WindowsFormsApplication1\obj\Debug\TempPE\
............此處省略25個文件信息