Did you try failing the IOCTL_VIDEO_RESET_DEVICE.
Not sure if that would be the best idea but might help!
Regards,
Dhiren
— On Wed, 8/10/08, xxxxx@panologic.com wrote:
> From: xxxxx@panologic.com
> Subject: [ntdev] How to disable full screen DOS prompt in XP
> To: “Windows System Software Devs Interest List”
> Date: Wednesday, 8 October, 2008, 11:14 PM
> We develop an XP Display Driver that is running on top of
> hardware without VGA capabilities. We’ve recently
> stumbled across the following problem. Windows stops calling
> our driver when a CMD console window is switched to a
> fullscreen mode. After switching back to a normal CMD window
> with Alt-ENTER our driver is called again to render and
> everything is working fine again.
>
> It seems like Windows starts using the VGA driver to render
> the full screen command prompt to support legacy DOS
> applications. Does anyone know if there is a way to disable
> full screen DOS support in XP?
>
> Thanks in advance,
> Alex
>
>
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