Specifies the name of the action with which this widget should be
associated.
If @action_name is %NULL then the widget will be unassociated from
any previous action.
Usually this function is used when the widget is located (or will be
located) within the hierarchy of a GtkApplicationWindow.
Names are of the form “win.save” or “app.quit” for actions on the
containing [class@ApplicationWindow] or its associated [class@Application],
respectively. This is the same form used for actions in the [class@Gio.Menu]
associated with the window.
Specifies the name of the action with which this widget should be associated.
If @action_name is %NULL then the widget will be unassociated from any previous action.
Usually this function is used when the widget is located (or will be located) within the hierarchy of a GtkApplicationWindow.
Names are of the form “win.save” or “app.quit” for actions on the containing [class@ApplicationWindow] or its associated [class@Application], respectively. This is the same form used for actions in the [class@Gio.Menu] associated with the window.