private void TBrowser_DocumentCompleted(object sender, WebBrowserDocumentCompletedEventArgs e)
        {
            if (isLogout)
            {
                if (count++ == 2)
                {
                    isLogout = false;
                    TBrowser.Navigate(Uri);
                }
                return;
            }
            Uri = e.Url;

            if (TBrowser.Document != null)
            {
                String str = TBrowser.Document.Body.InnerHtml;

                //((mshtml.HTMLDocument)(((TBrowser.Document.DomDocument)))).documentElement.innerHTML;
                //TBrowser.Document.OpenNew(true);
                //TBrowser.Document.Write(str);

                var regex = new Regex("<code>([0-9]*)</code>", RegexOptions.Multiline | RegexOptions.CultureInvariant | RegexOptions.IgnoreCase | RegexOptions.Compiled);
                VerificationCode = regex.Match(str).Groups[1].Value;
                if (!string.IsNullOrEmpty(VerificationCode))
                {
                    this.Text = VerificationCode;
                    btnUserThisCode.Enabled = true;
                }
            }
        }
        private void btnLogou_Click(object sender, EventArgs e)
        {
            TBrowser.Navigate("https://twitter.com/logout");
            //TBrowser.DocumentCompleted -= TBrowser_DocumentCompleted;

            isLogout = true;
        }
        private void btnClearCashe_Click(object sender, EventArgs e)
        {
            System.Diagnostics.Process.Start("rundll32.exe", "InetCpl.cpl,ClearMyTracksByProcess 255");
            System.Diagnostics.Process.Start("rundll32.exe", "InetCpl.cpl,ClearMyTracksByProcess 16");
            System.Diagnostics.Process.Start("rundll32.exe", "InetCpl.cpl,ClearMyTracksByProcess 32");
            System.Diagnostics.Process.Start("rundll32.exe", "InetCpl.cpl,ClearMyTracksByProcess 2");
            System.Diagnostics.Process.Start("rundll32.exe", "InetCpl.cpl,ClearMyTracksByProcess 8");

            System.Threading.Thread.Sleep(3000);


            TBrowser.Refresh(WebBrowserRefreshOption.Completely);

            TBrowser.Navigate(Uri);
        }