public static AnimationSet Brightness(
            this FrameworkElement associatedObject,
            double value    = 0d,
            double duration = 500d,
            double delay    = 0d)
        {
            if (associatedObject == null)
            {
                return(null);
            }

            var animationSet = new AnimationSet(associatedObject);

            return(animationSet.Brightness(value, duration, delay));
        }