Re: Beep API broken in Vista?

From:
"Tom Serface" <tom.nospam@camaswood.com>
Newsgroups:
microsoft.public.vc.mfc
Date:
Wed, 1 Aug 2007 23:02:46 -0700
Message-ID:
<B1014A90-912C-459F-BED4-78A9B514C91C@microsoft.com>
I've never seen this, but I only use MessageBeep() and it sounds like you're
saying that works OK. As noted in the other thread, my problem is that I
get beeps when I don't want them (on list controls in report mode).

There must be something in there somewhere that is screwed up.

Tom

"Joseph M. Newcomer" <newcomer@flounder.com> wrote in message
news:s632b3dh3j9tr0o80qj8lu226alffar2a3@4ax.com...

A strange experience. I've been debugging via Remote Desktop to Vista. I
use the Beep
API to report state that is going on in my hook DLL. Everything was
working fine. My
laptop beeps nicely. Rising tones for one event, falling for another,
double-beep for
this, Beethoven's Fifth (first four notes) for success.

Today I had some major rework done in my office; I now have a wonderful
two-monitor holder
on an adjustable arm...the screens are close enough to read! So I set up
to use Vista
directly, in two-window mode. What is surprising is that the Beep API
does not seem to
make any sound when connected directly to the speakers (and they work; I
found that my
Vista machine's sound card has a much different volume setting and the
first time an app
beeped at me with a standard MessageBeep I nearly went through the
ceiling). So I wrote a
simple console app that does a Beep(440, 500), that is, 1/2 second of
A-440, and there is
complete silence. The beep device (non PnP) is running; the volume mixer
shows that
"Windows sounds" are running 100%, all normal sounds come out.

The final test was to call MessageBeep() alternating with Beep. All I get
are the
MessageBeep sounds. So I ran it via Remote Desktop and got all the
sounds. Truly weird.

google reveals nothing interesting (most articles talk about how to turn
beeping OFF).

I'm running at the moment Vista Ultimate, 32-bit, on a dual-processor
AMD64.

Has anyone heard of a problem with the Beep() API on Vista?
thanks
joe
Joseph M. Newcomer [MVP]
email: newcomer@flounder.com
Web: http://www.flounder.com
MVP Tips: http://www.flounder.com/mvp_tips.htm

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