In article <[EMAIL PROTECTED]>,
 H�kan Waara <[EMAIL PROTECTED]> wrote:

> Hey. I just saw the brownbag video with Rick Gessner about layout, 
> parser and all that so forgive me if I ask stupid questions. :)
> 
> In the video, Rick states that the prescontext is the physical bounds, 
> the screen width, the total area. However, when I look at 
> nsIDeviceContext, it seems to be the exact same thing... and it's used 
> in many more places.
> 
> So my question is, what is the difference between them two? Is it that 
> the nsIDeviceContext is somehow platform specific while the 
> nsIPresContext is more "XP"? Anyhow, what is their relation?

The device context describes a 'device' (screen, printer etc) that
is being used as an output device for layout-rendered content.

The presentation context describes a specific presentation of
a given document.

Simon

-- 
          Simon Fraser   Entomologist
  [EMAIL PROTECTED]   http://people.netscape.com/sfraser/

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