using System;
using System.Threading;
//定义对象类，用以包装参数，实现多个参数的传递
class Packet
{
 //成员属性包括两个输入参数和一个输出参数
 protected internal String inval1;
 protected internal String inval2;
 protected internal String outval;
}
class ThreadPoolExam
{
 //定义执行相同内容的两个方法
 public void Task1(object Obj)
 {
 //声明Packet类对象，用以传递参数
 Packet PacketObj;
 PacketObj = (Packet)Obj;
 Console.WriteLine("任务一中的第一个输入参数：" + PacketObj.inval1);
 Console.WriteLine("任务一中的第二个输入参数：" + PacketObj.inval2);
 //为输出参数赋值
 PacketObj.outval = PacketObj.inval1 + " " + PacketObj.inval2;
 }
 public void Task2(object Obj)
 {
 Packet PacketObj;
 PacketObj = (Packet)Obj;
 Console.WriteLine("任务二中的第一个输入参数：" + PacketObj.inval1);
 Console.WriteLine("任务二中的第二个输入参数：" + PacketObj.inval2);
 
 PacketObj.outval = PacketObj.inval1 + " " + PacketObj.inval2;
 }
 static void Main()
 {
 //声明两个Packet对象，并为输入参数赋值
 Packet PacketObj1 = new Packet();
 Packet PacketObj2 = new Packet();
 PacketObj1.inval1 = "Task 1 - 1";
 PacketObj1.inval2 = "Task 1 - 2";
 PacketObj2.inval1 = "Task 2 - 1";
 PacketObj2.inval2 = "Task 2 - 2";
 ThreadPoolExam tps = new ThreadPoolExam();
 //将方法放入线程池的队列中
 ThreadPool.QueueUserWorkItem(new WaitCallback(tps.Task1), PacketObj1);
 ThreadPool.QueueUserWorkItem(new WaitCallback(tps.Task2), PacketObj2);
 Console.ReadLine();
 }
}