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From: vshalarora82 on 1 Apr 2008 03:41

Hi All,

I am using Simle MAPI Console Application from
Microsoft([url]http://download.microsoft.com/download/mapi/utility/21/w9xnt4/en-us/smplmapi.exe[/url]).


It works fine when my default mail client is Outlook, but when my
default mail client is outlook express then it shows an error.

[MAPIAllocateBuffer (strlen ( rgchMsgID ) + 1, (LPVOID FAR*) prgchMsgID
);
strcpy ( *prgchMsgID, rgchMsgID );]

When program allocates memory for Message ID using MAPIAllocateBuffer,
then it returns 0x80004005. After that when strcpy executes, an
excetpion (0xC0000005: Access Violation) is generated.


If you know the cause, please help me.

Thanks,
Vishal Arora



--
vshalarora82
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From: David Lowndes on 1 Apr 2008 13:51
>It works fine when my default mail client is Outlook, but when my
>default mail client is outlook express then it shows an error.
>
>[MAPIAllocateBuffer (strlen ( rgchMsgID ) + 1, (LPVOID FAR*) prgchMsgID
>);
>strcpy ( *prgchMsgID, rgchMsgID );]
>
>When program allocates memory for Message ID using MAPIAllocateBuffer,
>then it returns 0x80004005. After that when strcpy executes, an
>excetpion (0xC0000005: Access Violation) is generated.

Clearly that code is a sample not production code. If the
MAPIAllocateBuffer has failed you should not be trying to write to
where it ought to have put the allocated buffer.

You're experiencing a symptom of a problem that's presumably occurred
sometime before these immediate lines of code - you need to do some
more debugging and compare the results you get with Outlook and OE.

Dave
From: Vish on 11 Apr 2008 03:44
On Apr 1, 10:51 pm, David Lowndes <Dav...(a)example.invalid> wrote:
> >It works fine when my default mail client is Outlook, but when my
> >default mail client is outlook express then it shows an error.
>
> >[MAPIAllocateBuffer (strlen ( rgchMsgID ) + 1, (LPVOID FAR*) prgchMsgID
> >);
> >strcpy ( *prgchMsgID, rgchMsgID );]
>
> >When program allocates memory for Message ID using MAPIAllocateBuffer,
> >then it returns 0x80004005. After that when strcpy executes, an
> >excetpion (0xC0000005: Access Violation) is generated.
>
> Clearly that code is a sample not production code. If the
> MAPIAllocateBuffer has failed you should not be trying to write to
> where it ought to have put the allocated buffer.
>
> You're experiencing a symptom of a problem that's presumably occurred
> sometime before these immediate lines of code - you need to do some
> more debugging and compare the results you get with Outlook and OE.
>
> Dave

thanks David

Vishal
From: Vish on 22 Apr 2008 00:48
On Apr 11, 12:44 pm, Vish <vshalaror...(a)gmail.com> wrote:
> On Apr 1, 10:51 pm, David Lowndes <Dav...(a)example.invalid> wrote:
>
>
>
> > >It works fine when my default mail client is Outlook, but when my
> > >default mail client is outlook express then it shows an error.
>
> > >[MAPIAllocateBuffer (strlen ( rgchMsgID ) + 1, (LPVOID FAR*) prgchMsgID
> > >);
> > >strcpy ( *prgchMsgID, rgchMsgID );]
>
> > >When program allocates memory for Message ID using MAPIAllocateBuffer,
> > >then it returns 0x80004005. After that when strcpy executes, an
> > >excetpion (0xC0000005: Access Violation) is generated.
>
> > Clearly that code is a sample not production code. If the
> > MAPIAllocateBuffer has failed you should not be trying to write to
> > where it ought to have put the allocated buffer.
>
> > You're experiencing a symptom of a problem that's presumably occurred
> > sometime before these immediate lines of code - you need to do some
> > more debugging and compare the results you get with Outlook and OE.
>
> > Dave
>
> thanks David
>
> Vishal

Hi David,

I came to know that MAPIAllocateBuffer is defined in Extended MAPI
header file. We can use only Simple MAPI with Outlook Express. So i
think we can't use MAPIAllocateBuffer with Outlook Express.

Regards,
Vishal
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