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a guest Jul 19th, 2019 54 Never
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  1. namespace Dotnet
  2. {
  3.     public class Dog
  4.     {
  5.         private string _name;
  6.  
  7.         public string Name
  8.         {
  9.             get { return _name; }
  10.             set { _name = value; }
  11.         }
  12.  
  13.  
  14.         public event EventHandler HasSpoken;
  15.         public void Speak(string what = "bark")
  16.         {
  17.             if(HasSpoken != null) // se tiene que checkear si hay algun metodo que "escuche" a evento, sino tira error
  18.                 HasSpoken(this, EventArgs.Empty); // en caso de que halla alguien suscripto , si lo levanto
  19.            
  20.         }
  21.        
  22.     }
  23.    
  24. }
  25.  
  26. namespace Dotnet
  27. {
  28.     public class Program
  29.     {
  30.         public static void Main(string[] args)
  31.         {
  32.             Trainer t1 = new Trainer();
  33.             Dog d1 = new Dog();
  34.  
  35.             d1.Speak();
  36.         }
  37.     }
  38.    
  39. }
  40.  
  41. namespace Dotnet
  42. {
  43.     public class Trainer
  44.     {
  45.         void Operate()
  46.         {
  47.             var dog = new Dog();
  48.  
  49.             dog.HasSpoken += dog_HasSpoken; // suscripcion al event
  50.         }
  51.  
  52.         void dog_HasSpoken(object sender, EventArgs args)
  53.         {
  54.                 //cuando el dog llama a hasspoken se ejecuta este evento y cualquier otro que este suscrito al evento de la manra +=
  55.                 Console.WriteLine("Shut up");  
  56.         }
  57.     }
  58.    
  59. }
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