"Paul Smith" wrote:
Quote:
> "bartman" <bartman@xxxxxx> wrote in message
> news:A2289624-12D9-430A-8A07-58175FD314C7@xxxxxx Quote:
> > Could someone please explain to me how DirectX 9.0c and 10 are related to
> > each other? I understand DirectX10 is what ships with Vista and there are
> > no
> > new versions of this. I read some system requirements on programs that
> > state
> > 9.0c MUST be installed for their software to work and that 9.0c is NEWER
> > than
> > version 10.
>
> They both co-exist on Windows Vista. DirectX 9 is backwards compatible with
> all previous versions, and DirectX 10 is all the new stuff.
> Quote:
> > I had one software package that ran like a turtle until I installed 9.0c
> > then it worked perfectly.
>
> 9.0c was already installed. However there are some optional components that
> aren't installed, which is why the DX9 setup program has to be run, programs
> should detect this when they're installed and install the additional
> components.
> Quote:
> > Is this a case where software companies who had an XP program than made it
> > work for "Vista" didn't really do what should have been done to make it
> > work
> > under DirectX 10 so it needed, what appears to be, a backwards step with
> > 9.0c?
>
> DirectX 9.0c is on Windows Vista for those programs.
> Quote:
> > I asked the software company and they said they have their program working
> > under both an XP machine with DirectX 9 and a Vista machine with DirectX
> > 10
> > with no differences. They suggest my install of 10 was no good and by
> > putting in 9.0c it corrected the problem, but if my install was bad
> > wouldn't
> > Vista have been giving me issues in general?
>
> Hopefully the software's developers know a bit more about how things work.
> Quote:
> > So I am confused as to what DirectX i really have and how these two
> > related
> > to each other, if at all. Can someone enlighten me on this please?
>
> You have both. 8-)
>
> --
> Paul Smith,
> Yeovil, UK.
> Microsoft MVP Windows Shell/User.
> http://www.dasmirnov.net/blog/
> http://www.windowsresource.net/
>
> *Remove nospam. to reply by e-mail*
>
> Thanks. So when I did the install of 9.0c and things started working it
really could have been a case of a broken DirectX in my system and this
download repaired it?
If this is true, would it also fix a broken version 10 if it were possible
to be broken in the first place? I suspect that if DX10 were broken I'd have
to be dealing with a whole new system install to fix that correct?
Thanks again.
Bart