ActivatableT.setUseActionAppearance

Warning gtk_activatable_set_use_action_appearance is deprecated and should not be used in newly-written code. 3.10 Sets whether this activatable should reset its layout and appearance when setting the related action or when the action changes appearance Note GtkActivatable implementors need to handle the "use-action-appearance" property and call gtk_activatable_sync_action_properties() to update activatable if needed. Since 2.16