using System;
using System.Threading;

class EventTest
{  
	public static ManualResetEvent e;

	// Code for first thread
       	public static void ThreadMethod_waiter_1()
    	{	
 	Console.WriteLine("[Thread A] - Started.....");
	Console.WriteLine("[Thread A] - I'm before wait for event .....");
	e.WaitOne();	
	Console.WriteLine("[Thread A] - I'm after wait for event.");
	}
    
	// Code for second thread
       	public static void ThreadMethod_waiter_2()
    	{	
 	Console.WriteLine("[Thread B] - Started.....");
	Console.WriteLine("[Thread B] - I'm before wait for event .....");
	e.WaitOne();	
	Console.WriteLine("[Thread B] - I'm after wait for event.");
	}

    // Code for 3th thread
    public static void ThreadMethod_blocker()
    {
 	Console.WriteLine("[Thread C] - Started.....");
	Console.WriteLine("[Thread C] - Sleeping for 5000ms....");
	Thread.Sleep(5000);
	Console.WriteLine("[Thread C] - Setting the event....");
	e.Set();
	Console.WriteLine("[Thread C] - Finished.....");
    }
    
    
    public static void Main()
    {     	
    	e = new ManualResetEvent(false);

   	
        // Create the waiter thread's group
        Console.WriteLine("[  Main  ] - Creating first thread..");
        ThreadStart Thread_1 = new ThreadStart(ThreadMethod_waiter_1);
        ThreadStart Thread_2 = new ThreadStart(ThreadMethod_waiter_2);
        
        // Create the blocker thread
        Console.WriteLine("[  Main  ] - Creating second thread..");
        ThreadStart Thread_3 = new ThreadStart(ThreadMethod_blocker);

        Thread A = new Thread(Thread_1);
        Thread B = new Thread(Thread_2);
        Thread C = new Thread(Thread_3);
        
	A.Start();
    	B.Start();
    	C.Start();
    	
    	Thread.Sleep(500);
    	Console.WriteLine("[  Main  ] - Finish...");
    }
}