//OAuthWebBrowser.Document.Cookie  = null;
                //int count = OAuthWebBrowser.Document.Cookie.Length;
                //OAuthWebBrowser.Document.Cookie.Remove(0, count);
                //System.IO.File.Delete(Environment.SpecialFolder.Cookies.ToString() + "twid");
                //System.IO.File.Delete(Environment.SpecialFolder.Cookies.ToString() + "session_buffer");
                //System.IO.File.Delete(Environment.SpecialFolder.Cookies.ToString() + "auth_token");
                //System.IO.File.Delete(Environment.SpecialFolder.Cookies.ToString() + "_twitter_sess");