private void RenrenUphotStatus_DownloadStringCompleted(object sender, APIRequestCompletedEventArgs e) { if (e.Error != null) { Deployment.Current.Dispatcher.BeginInvoke(() => { MessageBox.Show(e.Error.Message); }); } else { Deployment.Current.Dispatcher.BeginInvoke(() => { MessageBox.Show("发送成功"); }); } }