public void PreAuthorization()
{
requestToken = service.GetRequestToken();
Uri uri = service.GetAuthorizationUri(requestToken);
Process.Start(uri.ToString());
}
static void InitUserAuthentication()
{
var requestToken = _twitterService.GetRequestToken();
var uri = _twitterService.GetAuthorizationUri(requestToken);
Process.Start(uri.ToString());
Console.Write("For using your twitter account in application please enter verification code from twitter auth: ");
var verifier = Console.ReadLine();
var userAccessToken = _twitterService.GetAccessToken(requestToken, verifier);
_twitterService.AuthenticateWith(userAccessToken.Token, userAccessToken.TokenSecret);
_isUserAuthenticated = true;
}