How to find screen resolution (DPI) ?

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Tom - 07 May 2006 17:32 GMT

Is there some place to find out what the display screen resolution is in
dots per inch? So far the only way that is close is to look at

SystemInformation::CaptionHeight

and compare the size of the caption in pixels at different screen
resolutions
and use that to estimate the display resolution.

For example, CaptionHeight = 32 means screen DPI = 120, and
CaptionHeight = 26 means screen DPI = 96.

Is there a better place to look?

-- Tom

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Jon Shemitz - 07 May 2006 21:15 GMT

> Is there some place to find out what the display screen resolution is in
> dots per inch? So far the only way that is close is to look at
>
> SystemInformation::CaptionHeight

System.Windows.Forms.
Screen.PrinaryScreen.Bounds;

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Tom - 07 May 2006 23:20 GMT

Thanks, Jon.

Thanks for the clue about screen class. That gives the display extent
(bounds) but not the DPI.

I finally found it at WhatEverTheCurrentGraphicsContext->graphics->DpiX
and ->DpiY.
Lots of hours looking for that one...

-- Tom

>> Is there some place to find out what the display screen resolution is in
>> dots per inch? So far the only way that is close is to look at
[quoted text clipped - 3 lines]
> System.Windows.Forms.
> Screen.PrinaryScreen.Bounds;

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How to find screen resolution (DPI) ?

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