public HomePage() { InitializeComponent(); if (OAuthDetails.IsAuthenticated == false) { var settings = IsolatedStorageSettings.ApplicationSettings; if (settings.Contains("oauth_token")) { OAuthDetails.Token = settings["oauth_token"].ToString(); OAuthDetails.TokenSecret = settings["oauth_token_secret"].ToString(); OAuthDetails.IsAuthenticated = true; } } authViewModel = new AuthViewModel(); authGrid.DataContext = authViewModel; authViewModel.AuthorizationSucceeded += new EventHandler(authViewModel_AuthorizationSucceeded); authViewModel.CheckAuthorization(); Loaded += new RoutedEventHandler(HomePage_Loaded); }