Problem porting V6 C++ Project to .NET

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Rob C - 05 Nov 2003 18:28 GMT

I am rebuilding a VC++ w/ MFC Project from Visual Studio
V6 in Visual Studio .NET 2003.

There are 2 errors that I am getting that I do not get
when I build using V6.

1) problem with my declaration of a static fuction.

I have a static function called GetDocID() that returns a
CString.

in my .h file it is declared:

static CString GetDocID() { return _T("10010"); }

in the .CPP file, I have declared at the top of the file:

CString CCMSMDSAssessmentMgr::GetDocID();

The error message I am getting is:

"Member Function redeclaration not allowed"

Why was the syntax OK in VS V6 but not in VS .NET? What
is the proper syntax for declaring a member function as
static?

2) GetDefaultPrinter "Identifier Not Found"

I use the SDK function GetDefaultPrinter &
SetDefaultPrinter. I am assuming that I have the right
version of the SDK

installed because this builds OK with VC++ V6. Any ideas
what I need to do here?

Thanks for your help.

Regards,

-Rob

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Hendrik Schober - 06 Nov 2003 18:02 GMT

> [...]
> in my .h file it is declared:
[quoted text clipped - 4 lines]
>
> CString CCMSMDSAssessmentMgr::GetDocID();

Why? I have never seen this.

> The error message I am getting is:
>
> "Member Function redeclaration not allowed"

Fine. The compiler catches this error.

> Why was the syntax OK in VS V6 but not in VS .NET?

I dunno why was it allowed in VC6. Maybe
a bug? I don't think it's std conform to
declare a class member like this, so I'm
fine with the new compiler disallowing it.
(Meybe you confuse this with the need to
_define_ static data members?)

> What
> is the proper syntax for declaring a member function as
> static?

As you did:
static CString GetDocID();

> 2) GetDefaultPrinter "Identifier Not Found"
>
[quoted text clipped - 4 lines]
> installed because this builds OK with VC++ V6. Any ideas
> what I need to do here?

My browser finds it in "winspool.h", the
help says "Declared in Winspool.h; include
Windows.h".

> Thanks for your help.

HTH!

> Regards,
>
> -Rob

Schobi

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SpamTrap@gmx.de is never read
I'm Schobi at suespammers org

"And why should I know better by now/When I'm old enough not to?"
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Rob C - 09 Nov 2003 03:57 GMT

Thanks for your help. I'm not sure why I declared the
static functions that way in the first place. I just
remember having all sorts of compile errors when I first
tried it and that seemed to get rid of them. I must have
changed 2 things at the same time and thought that I
needed to redeclare the static in teh CPP file. Oh well.

I also did an include of winspool.h and then it complied.
I still find it odd hat I did not have to do this when
building under VC V6.

Regards,

-Rob

>-----Original Message-----
>> [...]
[quoted text clipped - 52 lines]
>
> Schobi

Reply to this Message

Hendrik Schober - 10 Nov 2003 11:45 GMT

> [...]
> I also did an include of winspool.h and then it complied.

As I quoted, <windows.h> would be the
file you should have to include.

> I still find it odd hat I did not have to do this when
> building under VC V6.

Probably one of the std lib headers
pulled <windows.h> in, already.

> Regards,
>
> -Rob
> [...]

Schobi

Signature

SpamTrap@gmx.de is never read
I'm Schobi at suespammers org

"And why should I know better by now/When I'm old enough not to?"
Beth Orton

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Arvind Kumar Sharda - 06 May 2005 12:30 GMT

Hi..

In VC6 code will be working fine bcz it will not bother about int and
CString ..like as i m looking into ur code

static CString GetDocID()
{
return _T("10010");
}

But it will give problem in VC7 bcz in .Net when we are passing INT/LONG in
place of CString Parameters .We are passing a number for a CString. but
there is no LPCTSTR conversion to CString. So it is giving problem .

For Example

#define something 10
...
F myInstance;
//We are passing a number for a CString. This isn't valid in VC++ 7 as
there is no LPCTSTR conversion to CString.
myInstance.foo(something);

class F
{
    void foo(CString a_sFoo)
    {
        //In most cases a_sFoo ends up as "" or some other corrupted string
        AfxMessageBox(a_sFoo);
    }
};

I think it will resolve ur problem

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Problem porting V6 C++ Project to .NET

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