Storyboard *sb = new Storyboard ();

	DoubleAnimation *r_anim = new DoubleAnimation ();
	registerName ("rect-transform", r_transform);
	r_anim->to = -360;
	r_anim->by = -0.1;

	sb->ChildAdd (r_anim);
	sb->SetTargetName (r_anim, "rect-transform");
	sb->SetTargetProperty (r_anim, "RotateTransform::Angle");

	if (v != NULL) {
		DoubleAnimation *v_anim = new DoubleAnimation ();
		registerName ("video-transform", v_transform);
		v_anim->to = 360;
		v_anim->by = 0.1;

		sb->ChildAdd (v_anim);
		sb->SetTargetName (v_anim, "video-transform");
		sb->SetTargetProperty (v_anim, "RotateTransform::Angle");
	}