public static CommandDelegate TintFrom(GUITexture texture, Color startColour, double duration, CommandEase ease = null)
        {
            CheckArgumentNonNull(texture, "texture");

            return(TintFrom(texture.ToColorRef(), startColour, duration, ease));
        }
        public static CommandDelegate TintBy(GUITexture texture, Color offset, double duration, CommandEase ease = null)
        {
            CheckArgumentNonNull(texture, "texture");

            return(TintBy(texture.ToColorRef(), offset, duration, ease));
        }