Activates the action on the widget with the given args.
Note that some actions ignore the passed in flags, widget or args.
Activation of an action can fail for various reasons. If the action
is not supported by the widget, if the args don't match the action
or if the activation otherwise had no effect, false will be returned.
Activates the action on the widget with the given args.
Note that some actions ignore the passed in flags, widget or args.
Activation of an action can fail for various reasons. If the action is not supported by the widget, if the args don't match the action or if the activation otherwise had no effect, false will be returned.