public override bool OnPrepareOptionsMenu(IMenu menu)
        {
            IMenuItem zoomToggle = menu.FindItem(Resource.Id.menu_zoom_toggle);

            zoomToggle.SetTitle(mAttacher.CanZoom() ? "menu_zoom_disable" : "menu_zoom_enable");

            return(base.OnPrepareOptionsMenu(menu));
        }
 public bool CanZoom()
 {
     return(mAttacher.CanZoom());
 }