private static async void PosterTwitterFromMVC(Profile item) { IAuthorizer auth = new PinAuthorizer() { CredentialStore = new InMemoryCredentialStore { ConsumerKey = ConfigurationManager.AppSettings["ConsumerKey"].ToString(),// "0vbuhbtd8Zz7M121MtxtrA", ConsumerSecret = ConfigurationManager.AppSettings["ConsumerSecret"].ToString(),// "5aj5te5ygcpPCBOMrwvGcjI8GAoAfAZFMlpLhyt2U" OAuthToken = item.AccessToken,// "164334839-o5Dq8UKqZCLqooAHBOeuGDKgcx9ExTfO2FMvMxti", OAuthTokenSecret = item.TokenSecret // "9vy702RGpq4sGPJEGAuQy0tsVOIsN3gu53MImpyPizI1f" } }; var ctx = new TwitterContext(auth); //await ctx.TweetAsync("Testing from Application. MV Tweet!"); var webClient = new WebClient(); byte[] imageBytes = webClient.DownloadData(filename); await ctx.TweetWithMediaAsync("Test", false, imageBytes); Log.WriteLog("Twitter Post Done"); }