Gets the icon name and size being displayed by the GtkImage.
The storage type of the image must be %GTK_IMAGE_EMPTY or
%GTK_IMAGE_ICON_NAME (see [method@Gtk.Image.get_storage_type]).
The returned string is owned by the GtkImage and should not
be freed.
Gets the icon name and size being displayed by the GtkImage.
The storage type of the image must be %GTK_IMAGE_EMPTY or %GTK_IMAGE_ICON_NAME (see [method@Gtk.Image.get_storage_type]). The returned string is owned by the GtkImage and should not be freed.