code: func (v *Image) GetIconName() (string, IconSize) {
  	var iconName *C.gchar
  	var size C.GtkIconSize
  	C.gtk_image_get_icon_name(v.native(), &iconName, &size)
  	return goString(iconName), IconSize(size)
  }
docs: // TODO(jrick) GtkIconSet
  /*
  func (v *Image) GetIconSet() {
  }
  */
  // TODO(jrick) GdkPixbufAnimation
  /*
  func (v *Image) GetAnimation() {
  }
  */
  // GetIconName() is a wrapper around gtk_image_get_icon_name().