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Solución al reto 2 MSDN http://blogs.msdn.com/b/esmsdn/archive/2014/09/19/retosmsdn-reto-2-161-esos-eventos.aspx
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using System.Collections.Generic; | |
using System.Linq; | |
namespace Reto2ClassLibrary | |
{ | |
/// <summary> | |
/// Solución al reto 2 MSDN http://blogs.msdn.com/b/esmsdn/archive/2014/09/19/retosmsdn-reto-2-161-esos-eventos.aspx | |
/// </summary> | |
public class Reto2 : IReto2 | |
{ | |
// Lista ordenada de delegados | |
private SortedList<int, System.EventHandler> listEventDelegates; | |
public Reto2() | |
{ | |
listEventDelegates = new SortedList<int, System.EventHandler>(); | |
} | |
/// <summary> | |
/// Evento basado en propiedad para capturar Add/Remove | |
/// </summary> | |
/// <remarks> | |
/// How to: Handle Multiple Events Using Event Properties | |
/// http://msdn.microsoft.com/en-us/library/8843a9ch(v=vs.110).aspx | |
/// </remarks> | |
public event System.EventHandler EventFired | |
{ | |
// Add the input delegate to the collection. | |
add | |
{ | |
Item item = value.Target as Item; | |
// Cuando el evento es un Item, lo añadimos al diccionario | |
if (item != null) | |
{ | |
listEventDelegates.Add(item.Index, value); | |
} | |
} | |
// Remove the input delegate from the collection. | |
remove | |
{ | |
Item item = value.Target as Item; | |
// Cuando el evento es un Item, lo eliminamos del diccionario | |
if (item != null) | |
{ | |
listEventDelegates.Remove(item.Index); | |
} | |
} | |
} | |
public void FireEvent() | |
{ | |
foreach (var item in listEventDelegates) | |
{ | |
item.Value("Reto2", new System.EventArgs()); | |
} | |
} | |
} | |
} |
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