Simple Auth example

private void auth()
        {

            webBrowser1.DocumentCompleted += new WebBrowserDocumentCompletedEventHandler(GetTitle);
            webBrowser1.Navigate(SimpleAuth.GetAuthURI().ToString());

        }


        /// <summary>
        /// Approval code comes in the title but sometimes not all of it so getting the Authentication  code from the document text.
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void GetTitle(object sender, WebBrowserDocumentCompletedEventArgs e)
        {

            string Mytitle = ((WebBrowser)sender).DocumentTitle.ToLower();

            if (Mytitle.IndexOf("success code=") > -1)
            {
                webBrowser1.Visible = false;
                // Title doesn't come back full all the time
                string AuthCode = webBrowser1.DocumentTitle.Replace("Success code=", "");
                //riping it from the internal text
                string blah = ((WebBrowser)sender).DocumentText;
                int start = blah.IndexOf("id=\"code\"");
                start = blah.IndexOf(AuthCode, start);
                int end = blah.IndexOf('"', start);
                AuthCode = blah.Substring(start, end - start);

                GetAuth(AuthCode);
            }
            else if (Mytitle.IndexOf("denied error=") > -1)
            {
                MessageBox.Show("You must be authentcated.");
                auth();
            }
            else
            {
                //  auth();
            }

        }

        /// <summary>
        /// Used for getting authorization after the user has clicked on the web-browser control.
        /// </summary>
        /// <param name="AuthCode"></param>
        public void GetAuth(string AuthCode)
        {
            RefreshToken = string.Empty;
            Cursor.Current = Cursors.WaitCursor;
            RefreshToken = SimpleAuth.exchangeCode(AuthCode);
            Cursor.Current = Cursors.Arrow;
            this.DialogResult = DialogResult.OK;
        }