New answers tagged settings
There is also a hidden preference for using a black menu bar in full screen: defaults write -g NSFullScreenDarkMenu -bool true It only affects full screen windows though. Some menu extras and status menus don't have graphics for a black background:
You can do this with Obsidian Menu Bar: Obsidian Menu Bar A hack that makes your OS X menu bar black. And yes, it blends. Ready for 10.9.2!
It Works! I installed Flex per @AndrewLarsson and entered the name of the app that was detecting the external display. I then went under UIKit, then searched UIScreen and returned pass-through on displayOut_actualScreens. When I tested it with my AV adapter, the app did not know that there was an external display connected! Many thanks to @AndrewLarsson ...
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