The correct way to do this would be to modify the SScrollBox.cpp in the engine to permit a fill direction for children - or to clone the code into your own project and make a new Scrollbox that does everything you need.
The correct way to do this would be to modify the SScrollBox.cpp in the engine to permit a fill direction for children - or to clone the code into your own project and make a new Scrollbox that does everything you need.