Error with tweetcharp and authentication


#1

when i make authentication with my account access token back (Y)
but when i use another account no access token back ?
this is code

==========================

private void Button_Click_2(object sender, RoutedEventArgs e)
{
GetTwitterToken();
}

private void GetTwitterToken()
{
service = new TwitterService(TwitterSettings.ConsumerKey, TwitterSettings.ConsumerKeySecret);
var cb = new Action<OAuthRequestToken, TwitterResponse>(CallBackToken);
service.GetRequestToken(“oob”, CallBackToken);
}

void CallBackToken(OAuthRequestToken rt, TwitterResponse response)
{
Uri uri = service.GetAuthorizationUri(rt);
_requestToken = rt;
this.Dispatcher.Invoke((Action)(() => { BrowserControl.Navigate(uri); }));
}

private void Button_Click_1(object sender, RoutedEventArgs e)
{
if (String.IsNullOrEmpty(pinText.Text))
MessageBox.Show(“Please enter PIN”);
else
{
try
{
var cb = new Action<OAuthAccessToken, TwitterResponse>(CallBackVerifiedResponse);
service.GetAccessToken(_requestToken, pinText.Text, CallBackVerifiedResponse);
BrowserControl.Visibility = Visibility.Collapsed;

            }
            catch
            {
                MessageBox.Show("", "", MessageBoxButton.OK);
            }
        }
    }

void CallBackVerifiedResponse(OAuthAccessToken at, TwitterResponse response)
{
if (at != null)
{

            Settings1.Default.AccessToken = at.Token;
            Settings1.Default.AccessTokenSecret = at.TokenSecret;
            Settings1.Default.ScreenName = at.ScreenName;
            Settings1.Default.UserId = at.UserId.ToString();
            MessageBox.Show(at.ScreenName);


       }
    }