RE: [Dev-C++] Make switch condition an enum

[Per W. <pw...@ia...>]

Guess the definition of _T("x")...

#if defined(_UNICODE) || defined(UNICODE)
#define _T(x) L##x
#else
#define _T(x) x
#endif

This is the OFFICIAL way of writing portable MFC or wxWindows programs.
The L"Hello world" concept requires you to change a huge number of strings
whenever you want to activate/deactivate unicode support.

As you can probably guess, all functions taking a string as a parameter
must also be specially handled.

// Microsoft
#if defined(_UNICODE) || defined(UNICODE)
#define _tcslen	wcslen
#else
#define _tcslen strlen
#endif

// wxWindows
size_t wxStrlen(const wxChar *s);

/Per W

On Sat, 19 Oct 2002, Ioannis Vranos wrote:

> > -----Original Message-----
> > From: Per Westermark [mailto:pw...@ia...] 
> > Sent: Saturday, October 19, 2002 2:26 PM
> > To: Ioannis Vranos
> > Cc: dev...@li...
> > Subject: RE: [Dev-C++] Make switch condition an enum
> > 
> > 
> > The _T(x) is a macro used by a Microsoft Developer Studio, 
> > the wxWindows
> > framework etc, to handle wide/non-wide, characters. All you 
> > have to do is
> > to #define _UNICODE (or sometimes #define UNICODE, or in wxWindows
> > #define wxUSE_UNICODE 1) to switch all "tagged"
> > strings to wide character strings.
> 
> 
> I do not know Win32 API-specific stuff but concerning ANSI C and ANSI
> C++ you can define a string literal as a wide character one by placing
> the capital letter L in front of it. For example consider the C90
> program:
> 
> 
> #include <stdio.h>
> #include <stddef.h>
> 
> int main()
> {
>  const wchar_t *ws=L"Wide character string";
> 
>  wprintf(L"%s\n", ws);
> 
>  return 0;
> }
> 
> 
> Ioannis
> 
> * Ioannis Vranos
> * Programming pages: http://www.noicys.freeurl.com
> * Alternative URL: http://run.to/noicys
> 
> 
> 
> 
> 
> 
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