Change Resolution

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#12823

From: George
Date: Fri, 14 Nov 2003 09:53

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1535 bytes

Hi,

I'm using that code:

   DEVMODE devicemode;
   memset(&devicemode,0,sizeof(devicemode));
   devicemode.dmBitsPerPel  = 16;
   devicemode.dmPelsWidth   = 1280;
   devicemode.dmPelsHeight  = 1024;
   devicemode.dmDisplayFrequency=75;
   devicemode.dmSize        = sizeof(devicemode);
   devicemode.dmFields      = DM_BITSPERPEL|DM_PELSWIDTH|DM_PELSHEIGHT;
   devicemode.dmDisplayFlags= NULL;
   ChangeDisplaySettings(&devicemode,CDS_UPDATEREGISTRY);



that must change the resolution to 1280x1024 16bits in 75Hz.

It goes to 1280x1024 but it goes to 60 not to 70Hz !
If I go manually to the Display Properties, I can switch to 70Hz without
problems (or restart).

I'm running Windows XP Pro.

Thank you!

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