DefaultRootWindow() is a macro.
XDefaultRootWindow() is an Xlib function.
Both do the same thing (Display in, Root window ID out).
In theory, DefaultRootWindow() is less portable because
the macro accesses private data in the Display connection
that could be different between vendors. In practice
every implementation uses the same private data structures
though so I'm not aware of any portability issues with
the macros.
Mark.
On Fri, 5 May 2006, Florent Monnier wrote:
> Hi,
> (is this place ok for xlib beginner questions?)
>
> Are DefaultRootWindow() and XDefaultRootWindow() equivalent ?
>
> --
> thanks
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>
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