/// <summary>
        /// Shows how to update the profile image in an account
        /// </summary>
        /// <param name="twitterCtx">TwitterContext</param>
        static void UpdateProfileBanner(TwitterContext twitterCtx)
        {
            byte[] fileBytes = Utilities.GetFileBytes(@"..\..\images\WP_000003.jpg");
            var user = twitterCtx.UpdateProfileBanner(fileBytes, "WP_000003.jpg", "jpg", 1252, 626, 0, 0);

            Console.WriteLine("User Image: " + user.ProfileBannerUrl);
        }