Customizing Startup/Pause/Shutdown screens for emulators and games

[ksherfinski]

I'm looking to modify my emulator/game startup screen (game startup in cases where the game is launched from a .bat file).  I have a bunch of fade screen from a RocketLauncher config that I'd like to duplicate in LB/BB.

The goal is to add a graphic of the controller that is necessary for a platform/game, in the cases where the cab panel isn't used...such as DreamCast/Nintendo 64/ColecoVision (I'm using a BlissBox to support legacy controllers, and DualShock4 & Xbox for more modern stuff).

Anyway, I can't find any info on this and I'm sure it's a pretty common thing, since every BB Theme seems to customize these screens.

Can someone point me in the right direction with a link?  Am I missing something super obvious that should be self explanatory?

Thanks in advance.  

 

[ksherfinski]

My bad.  I didn't realize someone built a Theme Creation tool.  I assume I could modify startup/shutdown/pause screens using that instead of dorking with xaml files directly.

[Retro808]

The theme creator cannot do Startup/Pause/Shutdown currently. Those have to be done by creating/editing xaml.