/// - calls bbProcess which here simply calls the user callback bbUserProcess which does the actual processing.
/// bbProcess is overloaded in WxBlackBox to handle widget creation and show
IOStatus bbBackwardUpdate(Connection* caller);
/// - calls bbProcess which here simply calls the user callback bbUserProcess which does the actual processing.
/// bbProcess is overloaded in WxBlackBox to handle widget creation and show
IOStatus bbBackwardUpdate(Connection* caller);