Re: Saving data to a file

From:
"Kahlua" <kahlua@right.here>
Newsgroups:
microsoft.public.vc.mfc
Date:
Tue, 22 Apr 2008 17:54:57 GMT
Message-ID:
<RDpPj.5984$kt1.3884@trndny06>
Oops,

The line the error points to is:
if(out.Write(buffer.GetData(), buffer.GetSize()) != buffer.GetSize()){

Thanks,
Ed

"Joseph M. Newcomer" <newcomer@flounder.com> wrote in message
news:rt6s04dcaakqnaafiqmv6ail311l1vg5pp@4ax.com...

It would be a great help if we knew what line it occurs on! Adding a
comment like

// <== line 854

would go a long way to helping us understand what is going on here.

Offhand I don't see anything in this code that would generate that error.
joe
On Tue, 22 Apr 2008 16:23:04 GMT, "Kahlua" <kahlua@right.here> wrote:

When I build this I get the following error:
C:\MyProjects\MyDlg.cpp(854) : error C2120: 'void' illegal with all types
Never seen this error before.
Thanks for all the help here so far.

void CMyDlg::OnClickhere()
{
 CByteArray buffer;
 CFile out;

 for (int i=0; i<20; i++) //just inserting some binary test data to
buffer
   buffer.InsertAt(i, 0x05);

 if(out.Write(buffer.GetData(), buffer.GetSize()) != buffer.GetSize()){
   DWORD err = ::GetLastError();
   CString msg;
   msg.Format(_T("Error writing file: %d"), err);
   AfxMessageBox(msg);
   return;
 }
 out.Close();
}


Joseph M. Newcomer [MVP]
email: newcomer@flounder.com
Web: http://www.flounder.com
MVP Tips: http://www.flounder.com/mvp_tips.htm

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