有关水果问题的信号量程序

爸爸放苹果，妈妈放橘子，盘子只能容纳两个水果。儿子只吃苹果，女儿只吃橘子。用信号量控制

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];//缓冲区数组 0表示空，1表示苹果，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）;  //剩余空位的信号量
        private static Semaphore dorange = new Semaphore（0 2）;  //橘子个数的信号量
        private static Semaphore sapple = new Semaphore（0 2）;   //苹果个数的信号量

        public Form1（）
        { 

            
            InitializeComponent（）;
            Form1.CheckForIllegalCrossThreadCalls = false;
        }

        private void Form1_Load（object sender EventArgs e）
        {
            //让控件不闪烁
           
           
            orange.Hide（）;
            apple.Hide（）;
            pictureBox2.Hide（）;
            pictureBox1.Hide（）;
            //创建four个线程并启动
           
        }
        

       
        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）;
         

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----
     目录           0  2016-11-15 21:04  WindowsFormsApplication1\
     目录           0  2016-11-15 21:04  WindowsFormsApplication1\.vs\
     目录           0  2016-11-15 21:04  WindowsFormsApplication1\.vs\WindowsFormsApplication1\
     目录           0  2016-11-15 21:04  WindowsFormsApplication1\.vs\WindowsFormsApplication1\v14\
     文件       74752  2016-11-14 23:08  WindowsFormsApplication1\.vs\WindowsFormsApplication1\v14\.suo
     目录           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
     目录           0  2016-11-15 21:04  WindowsFormsApplication1\WindowsFormsApplication1\bin\
     目录           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
     目录           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
     目录           0  2016-11-15 21:04  WindowsFormsApplication1\WindowsFormsApplication1\obj\
     目录           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
     目录           0  2016-11-15 21:04  WindowsFormsApplication1\WindowsFormsApplication1\obj\Debug\TempPE\
............此处省略25个文件信息