void ResetCommandMethod()
{
//reset states to unhandled
ApplyToVisitPurposeSelectionVMs(vp => vp.ResetState());
IoC.ExecuteTripViewModel.UpdateStateOfDestination(DestinationVM.Destination, true);
FrameHistory.CloseFrame();
}
void FinishCommandMethod()
{
//set states based on their temporal values
ApplyToVisitPurposeSelectionVMs(vp => vp.ApplyState());
IoC.ExecuteTripViewModel.UpdateStateOfDestination(DestinationVM.Destination);
FrameHistory.CloseFrame();
//if there are further destinations to proceed with, re-open this frame
IoC.ExecuteTripViewModel.ProceedWithNextDestination();
}
protected virtual void CloseCommandMethod()
{
FrameHistory.CloseFrame();
}