Re: Text File problem - VC++ MFC Studio 2008 MFC app

From:
David Wilkinson <no-reply@effisols.com>
Newsgroups:
microsoft.public.vc.mfc
Date:
Wed, 10 Sep 2008 16:06:21 -0400
Message-ID:
<#1t9xC4EJHA.5484@TK2MSFTNGP03.phx.gbl>
folderann wrote:

I just upgraded from VS 2003.

I notice if I try to write a CString to a file it p u t s s p a c e s
between the characters in the file.

I works fine if I use a character arrary. Is there a way I can use
CString. I've tried using CFile and CStdioFile with the same result.

Here's quick and dirty code. The commets // are for code that doesn't
work.

  CStdioFile shutfile;

    CString filid;
    filid="sdown.cmd";

    char ap_cs[]="now is the time";

    //CString ap_cs;
    //ap_cs="now is the time";

    int proof_i;
 proof_i=shutfile.Open(filid,CFile::modeCreate|CFile::modeWrite);

    shutfile.Write(ap_cs,sizeof(ap_cs));
    //shutfile.Write(ap)cs,ap_cs.GetLength());

    shutfile.Close();
}


folderann:

1. In VS2005/2008 CString uses Unicode (wchar_t) characters by default. But by
an appalling piece of design (IMHO) it can always be initialized by char
strings, so your code does not give compile errors that might have helped you.

2. When a Unicode string contains only ASCII characters, every other byte is zero.

3. I think you should be using WriteString(), not Write().

--
David Wilkinson
Visual C++ MVP

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