🚀 go-pugleaf

In fact there are few more "unique" ID-s to think about:

4) Hardware HD serial number (not volume partition number!)
Google for: diskid32.exe (there is a complete source code)

5) MAC addresses
Plenty of samples on the web (even on BDN), just google...



-- 
Best regards,
Vladimir Stefanovic
"Remy Lebeau (TeamB)" <no.spam@no.spam.com> wrote in message 
news:428e3ff8$1@newsgroups.borland.com...
>
> "Renald Yazmir" <renald@partmaker.com> wrote in message
> news:428e3c63$1@newsgroups.borland.com...
>
>> What Windows API function can I use to get a unique compuer ID?
>
> There is no such ID associated with a computer to begin with, thus no
> function to retreive it.  The closest you can get is to:
>
> 1) retreive the serial number of your hard drive(s) via
> GetVolumeInformation()
>
> 2) use inline assembly code to query the CPU for its unique ID (but this
> only works on certain Pentium chips, is not included in the latest chips
> anymore because it was too controversial, and can be disabled by the user 
> in
> the BIOS).
>
> 3) generate your own unique IDs, such as via CoCreateGuid().  This 
> generates
> a new GUID each time it is called.  It is not stored anywhere on the
> hardware, although it may use hardware values to help ensure uniqueness.
> You are responsible for keeping track of the values you generate.  If you
> lose it, it is gone.
>
>
> Gambit
>
>