public FlipDownCommand(Light light) { _light = light; }
public FlipUpCommand(Light light) { _light = light; }
public LightOnCommand(Light light) { _light = light; }
public FlipDownCommand(Light light) { _light = light; }
public FlipUpCommand(Light light) { _light = light; }
public LightOnCommand(Light light) { _light = light; }