private async void Pin(object sender, RoutedEventArgs e) { if (((sender as MenuFlyoutItem).Tag as Message).Pinned) { await RESTCalls.UnpinMessage(((sender as MenuFlyoutItem).Tag as Message).ChannelId, ((sender as MenuFlyoutItem).Tag as Message).Id); } else { await RESTCalls.PinMessage(((sender as MenuFlyoutItem).Tag as Message).ChannelId, ((sender as MenuFlyoutItem).Tag as Message).Id); } }