Used EventHandler<T> delegate because the event signature is the same for all. Changed the call of the event so that the indexes are not used. Action<ManagerEvent> allows you to use the delegate value at the current real time

Asterisk.2013/Asterisk.NET.Test/Asterisk.NET.Test/Program.cs

@@ -138,13 +138,13 @@ Ctrl-C to exit");
 			manager.RegisterUserEventClass(typeof(UserAgentLoginEvent));
 
 			// Add or Remove events
-			manager.UserEvents += new UserEventHandler(dam_UserEvents);
+			manager.UserEvents += dam_UserEvents;
 
 			// Dont't display this event
-			manager.NewExten += new NewExtenEventHandler(manager_IgnoreEvent);
+			manager.NewExten += manager_IgnoreEvent;
 
 			// Display all other
-			manager.UnhandledEvent += new ManagerEventHandler(dam_Events);
+			manager.UnhandledEvent += dam_Events;
 
 			// +++ Only to debug purpose
 			manager.FireAllEvents = true;
@@ -288,7 +288,7 @@ Ctrl-C to exit");
 
 			Console.WriteLine("Redirect Call from " + ORIGINATE_CHANNEL + " to " + ORIGINATE_EXTRA_CHANNEL + " or press ESC.");
 			// Wait for Dial Event from ORIGINATE_CHANNEL
-			DialEventHandler de = new DialEventHandler(dam_Dial);
+			EventHandler<DialEvent> de = dam_Dial;
 			manager.Dial += de;
 			while (transferChannel == null)
 			{
@@ -323,7 +323,7 @@ Ctrl-C to exit");
 			//	Link event used to define monitor channel
 			Console.WriteLine("Monitor call. Please call " + ORIGINATE_CHANNEL + " and answer or press ESC.");
 			// Wait for Link event
-			LinkEventHandler le = new LinkEventHandler(dam_Link);
+			EventHandler<LinkEvent> le = dam_Link;
 			manager.Link += le;
 			while (monitorChannel == null)
 			{

Asterisk.2013/Asterisk.NET.WinForm/FormMain.cs

@@ -28,7 +28,7 @@ namespace AsterNET.WinForm
 
 			btnConnect.Enabled = false;
 			manager = new ManagerConnection(address, port, user, password);
-			manager.UnhandledEvent += new ManagerEventHandler(manager_Events);
+			manager.UnhandledEvent += manager_Events;
 			try
 			{
 				// Uncomment next 2 line comments to Disable timeout (debug mode)

Asterisk.2013/Asterisk.NET/Helper.cs

@@ -872,14 +872,15 @@ namespace AsterNET
 
         #endregion
 
-        #region RegisterEventHandler(Dictionary<int, int> list, int index, Type eventType) 
+        #region RegisterEventHandler(Dictionary<int, Action<ManagerEvent>> list, Type eventType, Action<ManagerEvent> action)
 
-        internal static void RegisterEventHandler(Dictionary<int, int> list, int index, Type eventType)
+        internal static void RegisterEventHandler(Dictionary<int, Action<ManagerEvent>> list, Type eventType, Action<ManagerEvent> action)
         {
-            int eventHash = eventType.Name.GetHashCode();
+            var eventTypeName = eventType.Name;
+            int eventHash = eventTypeName.GetHashCode();
             if (list.ContainsKey(eventHash))
-                throw new ArgumentException("Event class already registered : " + eventType.Name);
-            list.Add(eventHash, index);
+                throw new ArgumentException("Event class already registered : " + eventTypeName);
+            list.Add(eventHash, action);
         }
 
         #endregion