public ShowAction(ObservablePlanets planets) : base(planets) { }
protected PlanetAction(ObservablePlanets planets) { Planets = planets; }
public CompositePlanetAction(ObservablePlanets planets, IPlanetAction[] actions) : base(planets) { _actions = actions; }
public AltHideAction(ObservablePlanets planets) : base(planets) { }