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'_OLD_IOSTREAMS_ARE_DEPRECATED' warning in Visual C++ .NET

Posted on 2005-04-18
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Last Modified: 2012-06-21
When i try to build my C++ Code (written in VS 6.0), on VS .NET I get the following warning, which occurs with the .NET include library.
I do not get this warning when i build on VS 6.0

C:\Program Files\Microsoft Visual Studio .NET\Vc7\include\useoldio.h(29) : warning C4995: '_OLD_IOSTREAMS_ARE_DEPRECATED': name was marked as #pragma deprecated

I also see no reference to "iostream" header file in any of my code.

Can anyone tell me how to get rid of this warning.

Thanks
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Question by:hari4130
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by:Axter
ID: 13807628
Hi hari4130,
> >I also see no reference to "iostream" header file in any of my code.

Look for any STD headers that are using *.h extension.
These files are not part of the C++ standard, and should not be used.
To get rid of the error, just modify your code so that you're using the extensionless version.

If you're not using <iostream.h>, you could be using another *.h header that is calling <iostream.h>

Look for files like the following:
#include <fstream.h>
#include <sstream.h>
#include <ios.h>
If you find any of the above files, convert it to extensionless version.
#include <fstream>
//You also might need to add using namespace std
using namespace std;


David Maisonave :-)
Cheers!
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Axter earned 800 total points
ID: 13807671
Here's a list of *.h files I found on VC++ 6.0 that reference <iostream.h>

FSTREAM.H
IOMANIP.H
STRSTREA.H
STDIOSTR.H

Make sure you don't have a reference to the above files in your code.
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