DirectX on Vista?

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Bob Eaton - 30 Apr 2007 06:50 GMT

A program I wrote requires DirectX 8, which since XP, I have not needed to
include in my installer, because XP had DirectX 8 installed automatically.

On Vista, is there a version of DirectX installed by default?

Thanks,
Bob

P.S. I tried installing the DirectX 8.a runtime (from dx80nteng.exe), but it
won't install on Vista. Is this a feature?

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dean-dean - 30 Apr 2007 07:01 GMT

There's no need to install DirectX. DirectX 10 is part of Windows Vista.

>A program I wrote requires DirectX 8, which since XP, I have not needed to
>include in my installer, because XP had DirectX 8 installed automatically.
[quoted text clipped - 6 lines]
> P.S. I tried installing the DirectX 8.a runtime (from dx80nteng.exe), but
> it won't install on Vista. Is this a feature?

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Ruwan Dissanayake - 30 Apr 2007 07:01 GMT

You got Direct X 10 on Vista installed :)

Regards,
Ruwan Dissanayake

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Alun Harford - 30 Apr 2007 20:45 GMT

> A program I wrote requires DirectX 8, which since XP, I have not needed to
> include in my installer, because XP had DirectX 8 installed automatically.
[quoted text clipped - 6 lines]
> P.S. I tried installing the DirectX 8.a runtime (from dx80nteng.exe), but it
> won't install on Vista. Is this a feature?

The DirectX 8 runtime doesn't support Vista (because of when it was
made!). Since DirectX has to interface with the graphics and sound
drivers, it has to know a lot about the internals of the OS.

Vista includes DirectX 9.0L (which can run DirectX 8 programs) and
DirectX 10 (which only runs DirectX 10 programs).

Alun Harford

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