Re: Can't use MAPILogonEx

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#12554

From: Bob Gonder
Date: Wed, 03 Dec 2003 00:55

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Dennis Jones wrote:

>"Bob Gonder" <notbg@notmindspring.invalid> wrote in message
>news:t3ipsvo8hk1g4rbgdajj6mv08733vi27qe@4ax.com...
>>
>>     HANDLE hMAPILib;
>>    LPMAPILOGONEX MAPILogonEx;
>>
>> hMAPILib = LoadLibrary("MAPI32.DLL");
>> MAPILogonEx =
>> (LPMAPILOGONEX)GetProcAddress(hMAPILib,"MAPILogonEx");
>>
>
>Hmm...I've had no trouble compiling/linking normal MAPI functions, but I
>also get errors when I try to use MapiLogonEx, even if I include mapix.h.
>There must be a trick to it, but I'm stumped.

Headers don't of them selves, cause the compiler/linker to bring in
the needed libraries.  Other than the standard kernal libs, you need
to add each addition library (not just the headers) your app requires.

mapix.h defines MAPILogonEx as a function pointer. Somebody somewhere
needs to fill in the pointer with the runtime address of the function.
If you have a mapi32.lib, and have it linked with your app, then it
should fill in that address when your app starts. OTOH, since it is an
extended function, maybe the lib doesn't do that for that particular
function, so you would need to do it yourself.
It looks like MAPILogonEx is in mapi32.dll, so the above code should
work.

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From: Bob Gonder <notbg@notmindspring.invalid>
Newsgroups: borland.public.cppbuilder.nativeapi
Subject: Re: Can't use MAPILogonEx
Date: Tue, 02 Dec 2003 16:55:03 -0800
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