class ThreadPriority
{    
   public static void Main() 
   {
      Thread thread = Thread.CurrentThread;
      Console.WriteLine ("Priority: {0}", thread.Priority);
   }
}

class ThreadPoolThread
{    
   public static void Main() 
   {
      Thread thread = Thread.CurrentThread;
      Console.WriteLine ("IsThreadPoolThread: {0}",
         thread.IsThreadPoolThread);
   }
}
class ThreadAlive
{    
   public static void Main() 
   {
      Thread thread = Thread.CurrentThread;
      Console.WriteLine ("IsAlive: {0}", thread.IsAlive);
 
   }
}

class ThreadBackground
{    
   public static void Main() 
   {
      Thread thread = Thread.CurrentThread;
      Console.WriteLine ("IsBackground: {0}", 
         thread.IsBackground);
   }
}
class ThreadState
{    
   public static void Main() 
   {
      Thread thread = Thread.CurrentThread;
      Console.WriteLine ("ThreadState: {0}", 
         thread.ThreadState);
   }
}
class ThreadName
{    
   public static void Main() 
   {
      Thread thread = Thread.CurrentThread;
      Console.WriteLine ("Name: {0}", thread.Name);
   }
}
class ThreadName
{    
   public static void Main() 
   {
      Thread thread = Thread.CurrentThread;
      thread.Name = ".NET Thread";
   }
}

class TimerCallBack
{
   public static AutoResetEvent autoResetEvent 
      = new AutoResetEvent (false);
   public static Timer timer      = null;
   public const  int   iterations = 4;
    
   public class State
   {
      public int count = 0;
   }
    
   static void CallBack (Object stateObject)
   {
      State state = (State) stateObject;
      Console.WriteLine ("{0} count = {1}", DateTime.Now, state.count++);
      if (state.count > iterations) 
      {
         timer.Dispose (autoResetEvent);
      }
   }
    
   public static void Main() 
   {
      timer = new Timer (new TimerCallback (CallBack), new State(),
         1000, 2000);
      autoResetEvent.WaitOne();
   }
}