public void Login_in() { if (api.IsAccessTokenValid()) { NavigationService.Navigate(new Uri("/Default.xaml", UriKind.Relative)); } else { NavigationService.Navigate(new Uri("/Login_renren.xaml", UriKind.Relative)); } }
void RenRenFriendList_Loaded(object sender, RoutedEventArgs e) { if (!api.IsAccessTokenValid() && Back_Key == 1) { Back_Key = -1; NavigationService.Navigate(new Uri("/Login_renren.xaml", UriKind.Relative)); } else if (!api.IsAccessTokenValid() && Back_Key == -1) { ; } else { api.GetFriends(renren_GetFriendsCompletedHandler); } }