Mail Archives: djgpp/1999/12/09/14:10:28
From: | EricJ <ericj AT netvigator DOT com>
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Newsgroups: | comp.os.msdos.djgpp
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Subject: | MSComm
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Date: | Fri, 10 Dec 1999 02:41:26 +0800
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Organization: | IMS Netvigator
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Lines: | 19
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Message-ID: | <384FF7D6.6159EAE2@netvigator.com>
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NNTP-Posting-Host: | bbig001089.netvigator.com
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Mime-Version: | 1.0
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X-Mailer: | Mozilla 4.7 [en] (Win98; I)
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X-Accept-Language: | en
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To: | djgpp AT delorie DOT com
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DJ-Gateway: | from newsgroup comp.os.msdos.djgpp
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Reply-To: | djgpp AT delorie DOT com
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I have to develope a program to access RS232 using
Visual C++ 6.0, MFC MSComm. But I face the questions :
I have assign a CMSComm object m_MSComm.
I can setup the port using the following statements :
m_MSComm.SetCommPort(1);
m_MSComm.SetSettings("9600,N,8,1");
m_MSComm.SetOutBufferSize(10);
m_MSComm.SetPortOpen(TRUE);
But I can't use the following statement :
m_MSComm.SetOutput("ABC");
The compiler compain that "cannot convert from 'char [4]' to 'const
struct tagVARIANT'". How to correct it?
And also I don't know how to receive data from RS232.
Any body can me or send me simple example?
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