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Well, on windows 7 you have only the ability for slide shows, but there is fortunately a trick to enable desktop video backgrounds on Windows 7 using the Vista (DreamScene) DLL files.

Now I was wondering if it's possible to run a Full Screen DirectX/Opengl application AS a desktop background in Windows 7? Is there anything to achieve this?

I would like to achieve this without disabling the W7 glass/aero stuff if possible, however I can live without it too...

I was thinking about installing DreamScene onto W7 and a codec which redirects .exe output to Windows Media Player/ can "play" .exe files but I cannot find such one, nor create, I don't know how to do it.

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Out of curiosity, what kind of app are you talking about? Wouldn't a DirectX app be... a game? o: – Ariane Jan 14 '13 at 0:32
@Ariane: Why would you assume DirectX is only used by games? – Karan Jan 14 '13 at 5:35
@Karan Because I've only ever seen games use it. oo' – Ariane Jan 14 '13 at 5:38
@Ariane: Screen savers, video players (BTW, here's a trick to make VLC use DirectX to play a video as 'wallpaper') ... – Karan Jan 14 '13 at 5:50

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