Article View: borland.public.cppbuilder.nativeapi
Article #6478Re: Response not in que?
From: Remy Lebeau (TeamB)
Date: Wed, 11 May 2005 19:34
Date: Wed, 11 May 2005 19:34
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2046 bytes
"Neil P." <nporve01@hotmail.com> wrote in message
news:4282440b$1@newsgroups.borland.com...
> I am very hesitant in getting rid of ClearCommError(), I think it
> is a nice function, because it prevents having to do reads if there
> is nothing to read?
A better way to handle that is to use the EV_RXCHAR event instead. That
way, rather than polling the queue status frequently, the OS can notify you
when data is actually available, and then you can go read it.
I'm betting that you have not read the following article yet:
Serial Communications in Win32
http://msdn.microsoft.com/library/en-us/dnfiles/html/msdn_serial.asp
Gambit
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X-Google-Thread: 10cc67,369fa724017da622 X-Google-Attributes: gid10cc67,public X-Google-Language: ENGLISH,ASCII-7-bit From: "Remy Lebeau \(TeamB\)" <no.spam@no.spam.com> Newsgroups: borland.public.cppbuilder.nativeapi References: <427fa27e@newsgroups.borland.com> <vugv711ona1kdbekucqqkg6csqkcd4agrd@4ax.com> <427fca8b$1@newsgroups.borland.com> <427fce92$1@newsgroups.borland.com> <427fd0af@newsgroups.borland.com> <427ff371$1@newsgroups.borland.com> <42820cad$1@newsgroups.borland.com> <42823b43$1@newsgroups.borland.com> <4282440b$1@newsgroups.borland.com> Subject: Re: Response not in que? Date: Wed, 11 May 2005 12:34:04 -0700 Lines: 21 X-Priority: 3 X-MSMail-Priority: Normal X-Newsreader: Microsoft Outlook Express 6.00.2800.1409 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1409 NNTP-Posting-Host: 68.69.17.41 Message-ID: <42825df7$1@newsgroups.borland.com> X-Trace: newsgroups.borland.com 1115839991 68.69.17.41 (11 May 2005 12:33:11 -0700) Path: arc1-ca.pugleaf.net!g2news1.google.com!news1.google.com!news3.google.com!news.glorb.com!tudelft.nl!txtfeed1.tudelft.nl!feeder2.cambrium.nl!feed.tweaknews.nl!feeder.enertel.nl!nntpfeed-01.ops.asmr-01.energis-idc.net!216.196.110.149.MISMATCH!border2.nntp.ams.giganews.com!nntp.giganews.com!pe2.news.blueyonder.co.uk!blueyonder!news-peer-test!btnet!newsfeed.bt.es!caladan.landsraad.net!newsgroups.borland.com!not-for-mail