[ Version ( since = "2.14" ) ]
public void get_gicon (out unowned Icon gicon, out IconSize size)
Gets the `GIcon` being displayed by the `GtkImage`.
The storage type of the image must be gtk_image_empty or gtk_image_gicon (see [method@Gtk.Image.get_storage_type]). The caller of this function does not own a reference to the returned `GIcon`.
| this |
a `GtkImage` |
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a `GIcon` |