code: func (t *Tray) Destroy() (err error) {
  	if err = t.isActionable(); err != nil {
  		return
  	}
  	_, err = synchronousEvent(t.c, t, t.w, Event{Name: EventNameTrayCmdDestroy, TargetID: t.id}, EventNameTrayEventDestroyed)
  	return
  }
docs: // Destroy destroys the tray