Get Monitor Resolution

Hi,

I'm looking for a method to get the monitor resolution (native) or the current pixel aspect ratio.

I want the resolution of the hardware LCD screen (number of pixels... width and height)... not the current resolution from windows panel

If this info is not available, I would like to know the pixel aspect ratio (if not square). Why? Because when I run my direct3D app in fullscreen, the pixel aspect is not always square and I have an image not well stretched.

This happens with a 1920x1080 monitor (native) and when I use 1600x900 resolution in full screen.

Any idea to fix this bug?
Thanks.

there u go:

int width = GetSystemMetrics(SM_CXSCREEN);
int height = GetSystemMetrics(SM_CYSCREEN);

Note that SM_CXSCREEN/SM_CYSCREEN give the width/height of the primary monitor.
On a multi monitor system, you can use EnumDisplayMonitors or GetDeviceCaps.

no I don't want the resolution of the current display settings.

I want to know the physical resolution of the monitor (hardware). I have a 24" with 1920x1080 pixels and I want to get 1920 for width and 1080 for height even if my current resolution under windows is 1024x576

Try EnumDisplaySettingsEx with ENUM_CURRENT_SETTINGS

See also a previous discussion at http://www.codeguru.com/forum/showthread.php?t=348483

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Originally Posted by olivthill2

Try EnumDisplaySettingsEx with ENUM_CURRENT_SETTINGS

See also a previous discussion at http://www.codeguru.com/forum/showthread.php?t=348483

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This is not what the guy wants. He wants physical device resolution, while the proposed by you give logical resolution values.

I found a trick with DirectX to retrieve the physical resolution of the monitor

Enumerate all available full screen resolutions with EnumAdapterModes, and the biggest resolution should be the physical resolution

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and the biggest resolution should be the physical resolution

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No it shouldn't. It just depends on installed/selected video driver capabilities. In most likely 99% cases it's going to work as expected. But no guarantee for working always fine.

GetDeviceCaps

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GetDeviceCaps

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Again, it gives logical resolution, not monitor device physical characteristics.

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Originally Posted by Igor Vartanov

Again, it gives logical resolution, not monitor device physical characteristics.

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The MSDN site is somehow confusing, take an excerpt from the MSDN that came with VS6:

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HORZRES Width, in pixels, of the screen.
VERTRES Height, in raster lines, of the screen.

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This function targets PHYSICAL DEVICES.
You should try it first.

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You should try it first.

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Already did. ;)