🚀 go-pugleaf

"ScOe" <sven.savic@zg.hinet.hr> wrote in message
news:3e81ef72@newsgroups.borland.com...
> I've encounter one BUG with c++ builder or something ...
> and i dont know how to fix it ...

That's not a bug in Builder, but in your understanding in how your own code
should work.

> i'm calling DialogBox function and for MyDialogProc
>     fResult = DialogBox (hInstance, TEXT ("AboutBox"), 0, MyDialogProc) ;
> error code that i'm receiving is:
>     E2034 Cannot convert 'int (__stdcall *)(void *,unsigned int,unsigned
> int,long)' to 'int (__stdcall*)()'

Your dialog procedure doesn't match the function signature DialogBox() is
expecting.  You need to cast your function pointe when you pass it in:

    fResult = DialogBox (hInstance, TEXT ("AboutBox"), 0,
(DLGPROC)MyDialogProc) ;

> I dont know how did he expect to get 'int (__stdcall *)()' when in winhelp
> is wroten that 'lpDialogFunc' expect 'int (__stdcall *)(void *,unsigned
> int,unsigned     int,long)' callback function.

That is because DLGPROC has a different declaration depending on whether
STRICT is defined or not, which is not defined by default:

typedef int (FAR WINAPI *FARPROC)();

...

#ifdef STRICT
typedef INT_PTR (CALLBACK* DLGPROC)(HWND, UINT, WPARAM, LPARAM);
#else
typedef FARPROC DLGPROC;
#endif


Gambit