Smrf.NodeXL.GraphDataProviders.Facebook.FacebookLoginDialog.LogIn C# (CSharp) Méthode

        public void LogIn()
        {
            webBrowser1.Navigate("https://graph.facebook.com/oauth/authorize?client_id=134453573297344&" +
                                    "redirect_uri=https://www.facebook.com/connect/login_success.html&type=user_agent" +
                                    permissionsString);
            this.ShowDialog();
        }

 private void button1_Click_1(object sender, EventArgs e)
 {            
     readAttributes();
     o_fcbLoginDialog = new FacebookLoginDialog(this,createRequiredPermissionsString());
     o_fcbLoginDialog.LogIn();
 
 }