Thanks Andrew for a nice straightforward answer that solves my problem.
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Tom Munro Glass
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> I was just asking myself this same question. I found an answer at:
> http://www.borland.com/devsupport/delphi/qanda/FAQ1774D.html
> Basically, look in the registry under
> HKEY_LOCAL_MACHINE\hardware\devicemap\serialcomm, which is
> refreshed at each
> boot.
> I don't know if its the definitive solution though, but short
> of TAPI, what
> other options are there?
> Andrew Cooke.
>
> >
> > How can you find out what serial COMn ports are present in
> a computer?
> >
> > I want to populate a combobox with a list of installed
> ports, including
> > any
> > that might currently be in use by some other application.
> >
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