public static Stream GetResponseImage(string pUrl, string pReferer = "", string pMethod = "GET", string pData = "", int pTime = 0x1770, string pEncoding = "UTF-8", bool pIsPTHander = true) { Stream result; try { HttpHelper.DeleteUrlCacheEntry(pUrl); HttpWebRequest httpWebRequest = (HttpWebRequest)WebRequest.Create(pUrl); httpWebRequest.KeepAlive = true; httpWebRequest.Method = pMethod; httpWebRequest.AllowAutoRedirect = true; httpWebRequest.CookieContainer = HttpHelper.CookieContainers; httpWebRequest.Referer = pReferer; httpWebRequest.UserAgent = HttpHelper.IE8; httpWebRequest.Accept = "*/*"; httpWebRequest.Timeout = pTime; httpWebRequest.CachePolicy = HttpHelper.rcp; httpWebRequest.Headers.Add("x-requested-with", "XMLHttpRequest"); if (pIsPTHander) { HttpHelper.PTRequest(ref httpWebRequest); } Encoding encoding = Encoding.GetEncoding(pEncoding); if (pMethod.ToUpper() == "POST" && pData != null) { byte[] bytes = encoding.GetBytes(pData); httpWebRequest.ContentLength = (long)bytes.Length; httpWebRequest.ContentType = "application/x-www-form-urlencoded; charset=UTF-8"; Stream requestStream = httpWebRequest.GetRequestStream(); requestStream.Write(bytes, 0, bytes.Length); requestStream.Close(); } ServicePointManager.ServerCertificateValidationCallback = (RemoteCertificateValidationCallback)Delegate.Combine(ServicePointManager.ServerCertificateValidationCallback, new RemoteCertificateValidationCallback((object se, X509Certificate cert, X509Chain chain, SslPolicyErrors sslerror) => true)); HttpWebResponse httpWebResponse = (HttpWebResponse)httpWebRequest.GetResponse(); result = httpWebResponse.GetResponseStream(); } catch { result = null; } return(result); }