"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/
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