Re: GetComputedStyle returning "auto"

Xiaolei Li wrote:
> hi, i'm writing a c++ program that attempts to get position (ie, pixel
> coordinates) of DOM nodes (text, img, table, etc) on a rendered page.  I
> thought GetComputedStyle with "left" and "top" would do it, but those
> are just returning "auto"?  DOM Inspector confirms this value.

That's the correct value.

> what i want is what the Box Model in DOM Inspector reports for (x, y)
> for all nodes in the document.  how can i do this?

DOM inspector uses the Mozilla nsIBoxObject extension to get this property, 
iirc.  See
http://lxr.mozilla.org/seamonkey/source/dom/public/idl/core/nsIDOMNSDocument.idl#60 
and http://lxr.mozilla.org/seamonkey/source/layout/xul/base/public/nsIBoxObject.idl

-Boris