Delegate Visual C++ .NET

#include "stdafx.h"
using namespace System;
using namespace System::Threading;
ref class MyEventArgs : EventArgs
{
   public:
     property String^ Info;
     MyEventArgs(String^ info)
     {
        Info = info;
     }
};
delegate void MyEventHandler(Object^ sender, MyEventArgs^ args);
ref class Events
{
   public:
      event EventHandler^ Start;
      event EventHandler^ Exit;
      void RaiseStartEvent()
      {
          Start(this, gcnew EventArgs());
      }
      void RaiseExitEvent()
      {
          Exit(this, gcnew EventArgs());
      }
      void OnStart(Object^ sender, EventArgs^ args)
      {
         Console::WriteLine("Starting");
      }
      void OnExit(Object^ sender, EventArgs^ args)
      {
          Console::WriteLine("Exiting");
      }
};
void f(Events^ e)
{
   e->RaiseStartEvent();
   Console::WriteLine("Doing something.");
   e->RaiseExitEvent();
}
int main()
{
    Events^ events = gcnew Events();
    // add the event handlers for Start and Exit
    events->Start += gcnew EventHandler(events, &Events::OnStart);
    events->Exit += gcnew EventHandler(events, &Events::OnExit);
    f(events);
    // remove the event handlers
    events->Start -= gcnew EventHandler(events, &Events::OnStart);
    events->Exit -= gcnew EventHandler(events, &Events::OnExit);
}