svoid dm_handleEvalResult(O value, S shortened) {
  // handle images, GUI components, ...
  
  if (value cast BufferedImage)
    dm_showImage(value);
  else if (implementsInterfaceShortNamed(value, "MakesBufferedImage"))
    dm_showImage((BufferedImage) rcall getBufferedImage(value));
  else if (shortClassNameIs Offer(value)) {
    thread {
      if (confirmYesNo(str(value)))
        callF(value);
    }
  } else {
    reMutable value = or(callOpt(value, "visualize"), value);
    if (value cast Component && getParent(value) == null)
      showFrame(shortened, value);
  }
}