Re: COM vs XP-COM

[Will Scullin <scullin@xxxxxxxxxxxx>]

Michael Nelson wrote:

> On Tue, 7 Apr 1998, Adam Lock wrote:
> > COM implementations exist on many platforms but it is not a standard
> > feature of Unix (or Mac, or BeOS, or Amiga, or OS/2 etc). When it does
> > exist, it is often only available for large sums of money both for
> > development and distribution licences.
>
> It's free on all UNIX platforms currently.

A reference to that would be useful.

> > I think a good alternative would be if it were possible to modify the
> > existing XP-COM definitions so that by setting a compilation flag the code
> > compiled into COM compatible interfaces. I also think that any future
> > interfaces defined/implemented in XP-COM should closely follow the
> > equivalent COM interface where one exists.
>
> COM interfaces are standard v-tables (adjustor thunk style vs. c-front
> style).

CFront is the standard on more platforms than you'd like to think.

Will
--
Will Scullin
Netscape Communications Corporation
scullin@xxxxxxxxxxxx
http://people.netscape.com/scullin/