Retrieves the gio.icon.Icon used for the icon.
null will be returned if there is no icon or if the icon was set by some other method (e.g., by gdk.paintable.Paintable or icon name).
Icon position
A gio.icon.Icon
Retrieves the gio.icon.Icon used for the icon.
null will be returned if there is no icon or if the icon was set by some other method (e.g., by gdk.paintable.Paintable or icon name).