/// <summary>
/// Serialize cookie after aothorization
/// </summary>
/// <param name="cookies"></param>
/// <param name="address"></param>
/// <param name="stream"></param>
public static void Serialize(CookieCollection cookies, Uri address, Stream stream)
{
DataContractSerializer formatter = new DataContractSerializer(typeof(List<Cookie>));
List<Cookie> cookieList = new List<Cookie>();
for (var enumerator = cookies.GetEnumerator(); enumerator.MoveNext();)
{
var cookie = enumerator.Current as Cookie;
if (cookie == null) continue;
cookieList.Add(cookie);
}
formatter.WriteObject(stream, cookieList);
}