[ CCode ( cprefix = "GTK_SYSTEM_SETTING_" , type_id = "gtk_system_setting_get_type ()" ) ]
public enum SystemSetting
Values that can be passed to the [vfunc@Gtk.
Widget.system_setting_changed] vfunc.
The values indicate which system setting has changed. Widgets may need to drop caches, or react otherwise.
Most of the values correspond to [class@Settings] properties.
More values may be added over time.