Problems with stage.displayState (it's null even after assignments). Fullscreen AS3
问题 Relevant things: I had fullscreen code working before I did a security update on the flash player. Nevertheless, I still can fullscreen Youtube right now I'm doing the fullscreen activation in response to user clicks (therefore no security is blocking it AFAIK) stage.displayState is null all the time, in the main timeline and even after assignments below. Relevant code: 1) Set on the main timeline: stage.scaleMode = StageScaleMode.SHOW_ALL; stage.align = StageAlign.RIGHT; 2) Set when a user