public override bool OnCreateOptionsMenu(IMenu menu)
    {
        MenuInflater.Inflate(Resource.Menu.main, menu);
        return base.OnCreateOptionsMenu(menu);
    }

public virtual bool OnOptionsItemSelected (IMenuItem item)
    {
        string test;
        Console.WriteLine ("Test");
        return true;
    }

public virtual bool OnMenuItemSelected (int featureId, IMenuItem item)
    {
        string test;
        Console.WriteLine ("Test");
        return true;
    }

    public void OnGroupItemClick( IMenuItem item) {
        // One of the group items (using the onClick attribute) was clicked
        // The item parameter passed here indicates which item it is
        // All other menu item clicks are handled by onOptionsItemSelected()
        int i = 0;
        string test;
        Console.WriteLine ("Test");

        test = item.MenuInfo.ToString ();

    }