ex-20-01

Programming Csharp Source Code(代码) Programming Csharp Source Code

// Example 20-01: Using threads

namespace Programming_CSharp
{
   using System;
   using System.Threading;

   class Tester
   {
      static void Main()
      {
         // make an instance of this class
         Tester t = new Tester();

         // run outside static Main
         t.DoTest();                 
            
      }

      public void DoTest()
      {
         // create a thread for the Incrementer
         // pass in a ThreadStart delegate
         // with the address of Incrementer
         Thread t1 = 
            new Thread( 
               new ThreadStart(Incrementer) );

         // create a thread for the Decrementer
         // pass in a ThreadStart delegate
         // with the address of Decrementer
         Thread t2 = 
            new Thread( 
               new ThreadStart(Decrementer) );

         // start the threads
         t1.Start();
         t2.Start();
      }

      // demo function, counts up to 1K
      public void Incrementer()
      {
         for (int i =0;i<1000;i++)
         {
            Console.WriteLine(
               "Incrementer: {0}", i);
         }
      }

      // demo function, counts down from 1k
      public void Decrementer()
      {
         for (int i = 1000;i>=0;i--)
         {
            Console.WriteLine(
               "Decrementer: {0}", i);
         }
      }
   }
}