#include <giomm.h>
#include <glibmm.h>

int main()
{
  Gio::init();

  Glib::RefPtr<Gio::SimpleAction> action1 =
    Gio::SimpleAction::create("action1", Glib::VariantType("i"), Glib::Variant<gint32>::create(0));
  
  Glib::Variant<gint32> variant32 = Glib::Variant<gint32>::create(17);

  action1->change_state(variant32);
  action1->change_state(17);

  return 0;
}