Re: trouble openning file

From:
"Kahlua" <kahlua@right.here>
Newsgroups:
microsoft.public.vc.mfc
Date:
Mon, 21 Apr 2008 23:33:22 GMT
Message-ID:
<6v9Pj.542$NK1.369@trndny05>
Ok, I found some notes regarding replacing GetFileSize() with GetLength()
and that error is gone.
Now I get a new warning:

warning C4018: '!=' : signed/unsigned mismatch

Which is pointing the the line:
  if(in.Read(buffer.GetData(), buffer.GetSize()) != buffer.GetSize()){

Any ideas?
Ed

"Kahlua" <kahlua@right.here> wrote in message
news:E99Pj.3243$y63.2547@trndny02...

I am drawing a blank again regarding the correct way to read files.
Here is the pertinent section of code I am troubled by:

 CString JobFile="C:\\temp\\1.dat";
 CFile in;
 CByteArray buffer;

 if(!in.Open(JobFile, CFile::modeRead)){
   AfxMessageBox("Error opening file");
   return;
 }
 buffer.SetSize(in.GetFileSize());
 if(in.Read(buffer.GetData(), buffer.GetSize()) != buffer.GetSize()){
   AfxMessageBox("Error reading file");
   return;
 }
 in.Close();

When I compile I get the following error:

error C2039: 'GetFileSize' : is not a member of 'CFile'
C:\Program Files\Microsoft Visual Studio\VC98\MFC\INCLUDE\afx.h(1202) :
see declaration of 'CFile'

If I change GetFileSize() with GetSize() I get the same error

What am I doing wrong?

Thanks,
Ed

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