OpenTween.Api.TwitterApiStatus.ParseHeaderValue C# (CSharp) Method

        internal static long? ParseHeaderValue(IDictionary<string, string> dict, params string[] keys)
        {
            foreach (var key in keys)
            {
                if (!dict.ContainsKey(key)) continue;

                long result;
                if (long.TryParse(dict[key], out result))
                    return result;
            }

            return null;
        }