Subj : Re: Modal dialog box - how?
To   : borland.public.cpp.borlandcpp
From : David Ayre
Date : Fri Jul 09 2004 02:37 am


Thanks Bob,

I've moved it all into the same module and it works fine now.

Thanks for your help.
Cheers,

David


Bob Gonder <notbg@notmindspring.invalid> wrote:
>David Ayre wrote:
>
>>I used this statement in the routine that calls the modal dialog box.
>>It won't compile as it says there's a type mimatch
>>for GetInvNote in the calling statement. What am I doing wrong?
>>
>>This is the entry in the header file
>>
>>static BOOL CALLBACK GetInvNote(HWND hDlg, UINT iMessage, WPARAM wParam, LPARAM lParam);
>
>When "static" defines a function, it means it exists only in "this"
>module. (The one that includes the header) If  you use the header in
>more than one module.......not nice.
>Either take out _both_ statics, or move the delaration out of the
>header file, and into the top of the cpp file (after the includes).
>
>>This is the entry in the cpp file.
>
>(I think....)
>Windows functions are C functions, not CPP.
>(Since I write in C, not CPP, maybe the problem)
>extern "C"{               
>>#pragma argsused
>>static BOOL CALLBACK GetInvNote(HWND hDlg, UINT iMessage, WPARAM wParam, LPARAM lParam)
>
>You would also need one for your declaration if you still need one.
>I don't have a declaration in my code because the callback is above
>the caller in the same module. And, it's not a public (sub)dialog.
>
>If your dialog is public, then it must not be static. But I think it
>should still be C
>

.