# File gtk/sample/gtk-demo/stock_browser.rb, line 208
    def get_largest_size(symbol)
      set = Gtk::IconFactory.lookup_default(symbol.id2name)
      best_size = Gtk::IconSize::INVALID
      best_pixels = 0

      sizes = set.sizes
      sizes.collect! do |i|
        width, height = Gtk::IconSize.lookup(i)
        [i, width * height]
      end
      return (sizes.max do |a, b| a[1] <=> b[1] end)[0]
    end