Article View: borland.public.cppbuilder.nativeapi
Article #2218Re: How to access COM12
From: Helmut Giese
Date: Sat, 24 Mar 2007 10:59
Date: Sat, 24 Mar 2007 10:59
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1605 bytes
On Fri, 23 Mar 2007 13:39:38 -0800, "Remy Lebeau \(TeamB\)" <no.spam@no.spam.com> wrote: Hi Gambit, >> I have a many-year-old application which handles several modems >> at the same time. Now the system got once more expanded, I >> have to deal with COM ports up to '12' - and I cannot open them > >That is because you are not opening them correctly. Yes, I supposed this to be the case :) >If you read the >documentation for CreateFile() at MSDN, you will see the following: > > "To specify a COM port number greater than 9, use the following >syntax: "\\\\.\\COM10". This syntax works for all port numbers and >hardware that allows COM port numbers to be specified." Thanks a lot, you saved me a lot of head scratching - as so often. Have a nice weekend and best regards Helmut Giese
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X-Google-Thread: 10cc67,298d0aeb494eed72 X-Google-Attributes: gid10cc67,public X-Google-Language: ENGLISH,ASCII-7-bit From: hgiese@ratiosoft.com (Helmut Giese) Newsgroups: borland.public.cppbuilder.nativeapi Subject: Re: How to access COM12 Date: Sat, 24 Mar 2007 10:59:51 GMT Message-ID: <460503e0.618843@forums.borland.com> References: <4604415e.2029877@forums.borland.com> <46044966$1@newsgroups.borland.com> X-Newsreader: Forte Free Agent 1.11/32.235 NNTP-Posting-Host: 84.138.133.46 X-Trace: newsgroups.borland.com 1174733978 84.138.133.46 (24 Mar 2007 03:59:38 -0800) Lines: 20 Path: arc1-ca.pugleaf.net!g2news1.google.com!news3.google.com!border1.nntp.dca.giganews.com!nntp.giganews.com!newsfeed00.sul.t-online.de!newsfeed01.sul.t-online.de!t-online.de!newsgroups.borland.com!not-for-mail