class MaClasse
{
  private Modifier<int> modifier;
  private int       counter;

  public  MaClasse ()
  {
    this.modifier = new Modifier<int> (this.counterGet, this.counterSet);
    this.counter = 3;
  }

  public void   Test ()
  {
    Console.WriteLine ("avant: " + this.counter); // devrait afficher "avant: 3"

    this.modifier.SetValue (12);

    Console.WriteLine ("apr�s: " + this.counter); // devrait afficher "apr�s: 12"
  }

  // berk
  public int  counterGet ()
  {
    return this.counter;
  }

  // et re-berk
  public void counterSet (int value)
  {
    this.counter = value;
  }
}

class Modifier<T>
{
  public delegate T   MyGetValue ();
  public delegate void  MySetValue (T value);

  private MyGetValue  getValue;
  private MySetValue  setValue;

  public  Modifier (MyGetValue getValue, MySetValue setValue)
  {
    this.getValue = getValue;
    this.setValue = setValue;
  }

  public void SetValue (T value)
  {
    this.setValue (value);
  }
}