There's a long list of non-upward compatible changes, and many of
them are gratuitous. There are also changes to semantics, meaning
that an existing VB code fragment will compile under VB.net, but
generate code that behaves differently. And there are widely used
facilities like DAO that aren't carried forward into VB.net.
Microsoft definitely expects VB applications to be "ported", and has
provided tools to assist the process, but its still a bear for most
organizations.
The common language runtime (CLR) is a good idea, and it appears
that "DLL Hell" has finally been addressed. Gates should have stayed
in school and taken the rest of Harvard's CS courses; he'd have
saved us all a lot of grief.
73,
Dave, AA6YQ
--- In digitalradio@yahoogroups.com, "Joel Kolstad"
<[EMAIL PROTECTED]> wrote:
>
> Dave,
>
> --- In digitalradio@yahoogroups.com, "Dave Bernstein" <[EMAIL PROTECTED]>
> wrote:
> >
> > The botched transition from VB to VB.net is one of Microsoft's
> > larger errors, on par with designing its operating systems
without
> > competent regard for security.
>
> Just curious... what was botched about it? I haven't used VB.net
for
> any "real" applications, but my impression was that Microsoft
> purposely chose to not make it easy to take a large project in VB
and
> just re-compile in VB.net because they valued the chance to "clean
> up" a lot of what wasn't implemented as well as it might have been
> (e.g., classes!) in VB.
>
> I don't even think someone being objective at Microsoft would
> advocate that everyone _should_ be porting all their apps from VB
to
> VB.net; I figured they were just hoping that all new apps would be
> written in VB.net.
>
> Truth be told, though, given that all the .net languages end up
> running on the same CLR, as far as I can tell all of VB.net,
C#.net,
> etc. all seem to look very much the same!
>
> > In case anyone's wondering, there is no threat to existing
> > applications written in VB - they will continue to run correctly
in
> > future versions of Windows.
>
> Microsoft isn't THAT dumb. Where my mother works, their main
> application is WordPerfect 4.2 and 5.0 (old DOS programs) that
> they're now happily running on Win2K and WinXP boxes.
>
> ---Joel
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