using System;
using System.Threading;
 
namespace Recetas.CSharp.Cap04.R0408
{
    public sealed class UsoEventWaitHandle
    {
        // Crea instancia de EventResetEvent pasando false 
        // al argumento. Esto evita que automáticamente se invoque 
        // el método `Set`:
        static EventWaitHandle waitHandle = new EventWaitHandle (false, EventResetMode.AutoReset);
 
        public static void Main()
        {
            new Thread (ProcesoEspera).Start ();
            Thread.Sleep (1500);
 
            // Activa la señal o notificación:
            waitHandle.Set();
        }
 
        static void ProcesoEspera()
        {
            Console.WriteLine ("\nMétodo `ProcesoEspera` en espera...");
            waitHandle.WaitOne();    // A espera de notificación
            Console.WriteLine ("Método `ProcesoEspera` notificado...");
        }
    }
}

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