Can't tweet

Sep 18, 2015 at 11:39 AM
Edited Sep 18, 2015 at 11:40 AM
This is my code
 public async void Loginbtn_Click(object sender, EventArgs e)
        {
            var auth = new SingleUserAuthorizer
            {
                CredentialStore = new SingleUserInMemoryCredentialStore
                {
                    ConsumerKey = ConfigurationManager.AppSettings["9BYpmSq0cCpKijnH73DGFcuE1"],
                    ConsumerSecret = ConfigurationManager.AppSettings["QvxJlrhE26vHGtdB9l30uc5luYJINXDSFQykJ7FEU9qD5J9KbF"],
                    AccessToken = ConfigurationManager.AppSettings["3076771201-Z6NN3CCG3Vjdu0urFBeBq3aIwpy6NbtmjQ2Opg7"],
                    AccessTokenSecret = ConfigurationManager.AppSettings["izfpdG8mfWZ8dgRyputVuqI779aWZxVpdsqnTLiyHSznM"]
                }
            };
            var ctx = new TwitterContext(auth);
            
            var tweet = await ctx.TweetAsync("dddddddddd");
        }
Pls let me know where it wrong.