When invoking Full Screen mode : " stage.displayState =
StageDisplayState.FULL_SCREEN; " my Form(s) looses the ability to
gain Focus (e.g buttons can't be clicked on, and input fields don't
display cursor and don't accept inputs).
After some poking around with no solution, I used the "
stage.nativeWindow.maximize(); " instead which worked fine for the
application, but is not a true "Full Screen".