Re: ChangeDisplaySettingsEx driving me nuts...

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#7930

From: Remy Lebeau (TeamB)
Date: Thu, 16 Dec 2004 09:54

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"Graham Thompson" <gct@faGUESS-WHAT-TO-DO-WITH-THISsl.co.uk> wrote in
message news:41c13f6a@newsgroups.borland.com...

> Here's the code:
<snip>
> and lResult is coming back as DISP_CHANGE_SUCCESSFUL.
> But, the monitor is still at the same position and certainly not
'detached'.

You did not set the DEVMODE's dmPosition member.  Since you left the
dmPosition at its original value, you are not actually changing the
monitor's settings at all.  The dmFields member also needs the DM_PELSWIDTH
and DM_PELSHEIGHT flags in order to use the dmPelsWidth/Height members.

    dm.dmFields = DM_POSITION | DM_PELSWIDTH | DM_PELSHEIGHT;
    dm.dmPosition.x = 0;
    dm.dmPosition.y = 0;
    dm.dmPelsWidth = 0;
    dm.dmPelsHeight = 0;


Gambit

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Subject: Re: ChangeDisplaySettingsEx driving me nuts...
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