public bool LogIn()
        {
            string fullAddress = PageUrl.Replace("https://", "").Replace("/", "");
            string formData = "log=" + HttpUtility.UrlEncode(UserName) + "&pwd=" + HttpUtility.UrlEncode(PassWord) + "&rememberme=forever&wp-submit=Log+In&redirect_to=https%3A%2F%2F" + HttpUtility.UrlEncode(fullAddress) + "%2Fwp-admin%2F&testcookie=1";
            string responseStr = null;

// https://couponsgearbest.wordpress.com/2017/01/29/how-to-log-in-to-wordpress-dashboard-using-c-sharp-programming/

            using (var client = new TcpClient(fullAddress, 443))
            {
                using (var sslsStream = new SslStream(client.GetStream(), true, null, null, EncryptionPolicy.AllowNoEncryption))
                {
                    sslsStream.AuthenticateAsClient(fullAddress, null, SslProtocols.Tls, false);

                    using (var writer = new StreamWriter(sslsStream))
                    using (var reader = new StreamReader(sslsStream, Encoding.UTF8))
                    {
                        writer.AutoFlush = true;
                        writer.WriteLine("POST " + PageUrl + "/wp-login.php HTTP/1.1");
                        writer.WriteLine("Host: " + fullAddress);
                        writer.WriteLine("Connection: keep-alive");
                        writer.WriteLine("Content-Length: " + formData.Length);
                        writer.WriteLine("Origin: " + PageUrl);
                        writer.WriteLine("User-Agent: " + webHelper.userAgent);
                        writer.WriteLine("Content-Type: application/x-www-form-urlencoded");
                        writer.WriteLine("Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8");
                        writer.WriteLine("Referer: " + PageUrl + "/wp-login.php");
                        writer.WriteLine("Accept-Language: pl");
                        writer.WriteLine("Cookie: wordpress_test_cookie=WP+Cookie+check");
                        writer.WriteLine();
                        writer.WriteLine(formData);

                        responseStr = reader.ReadToEnd();
                    }
                }
            }

            List<String> cookieHeaders = new List<string>();
            foreach (string header in responseStr.Split("\n\r".ToCharArray(), StringSplitOptions.RemoveEmptyEntries))
            {
                if (header.StartsWith("Set-Cookie"))
                {
                    cookieHeaders.Add(header.Replace("Set-Cookie: ", ""));
                }
            }

            CookieContainer jar = new CookieContainer();
            foreach (string cook in cookieHeaders)
            {
                string name, value, path, domain;
                name = value = path = domain = "";

                string[] split = cook.Split(';');
                foreach (string part in split)
                {
                    if (part.StartsWith(" path="))
                    {
                        path = part.Replace(" path=", "").Trim();
                    }

                    if (!part.StartsWith(" path=") && !part.StartsWith(" domain=") && part.Contains("=") && !part.Contains("expires") && !part.Contains("Max-Age"))
                    {
                        name = part.Split('=')[0].Trim();
                        value = part.Split('=')[1].Trim();
                    }
                }

                Cookie cookie = new Cookie(name, value, path, fullAddress);
                jar.Add(cookie);
            }

            webHelper.SetCookieContainer(jar);
            currentCookieJar = jar;
            if (jar.GetCookieHeader(new Uri(PageUrl)).Length == 0) return false;

            string src = webHelper.DownloadStuff(PageUrl + "/wp-admin/");
            if (!src.Contains("Dashboard")) return false;

            loggedIn = true;
            return true;
        }