private async void UploadImagesTb_Click(object sender, RoutedEventArgs e) { var picker = new FileOpenPicker(); picker.FileTypeFilter.Add(".jpeg"); picker.FileTypeFilter.Add(".png"); picker.FileTypeFilter.Add(".bmp"); picker.FileTypeFilter.Add(".jpg"); var selectedImage = await picker.PickSingleFileAsync(); var imageBytes = await GetBytesAsync(selectedImage); ImageServiceClient client = new ImageServiceClient(); await client.UploadImageAsync(imageBytes, moodId, loginSetting); await client.CloseAsync(); this.Frame.Navigate(typeof(SettingsPage)); }