CRecordSet and CString issue in .NET

[Senapathy]

Environment : WinXP SP2, .NET 2003 Std edition

I posted a query to the group some days back asking about how to identify
stack corruption / array bounds or buffer overruns using .NET compiler
switches. (E.g. /RTC1)
The switches work fine for the sample programs that I wrote, but in my
actual scenario it doesnt give any dumps or results in the output file. So I
am unable to find if there is actually any stack / buffer overrun.

The app used to work fine when built under VC6.0.

I am trying to use a class derived from CRecordSet. In my class I have a
CString field (RFX) variable called m_szLink. During my code flow, after
CDatabase::Open, when I see the record set object in Quick Watch, I see all
the data members proper. But when I try to access the string member like:

CString str = pRecSet->m_szLink

I am getting a crash. It is crashing only if I access a RFX (field exchange)
variable but not any other member of the class.

It finally crashes in the line IAtlStringMgr* pNewStringMgr =
pData->pStringMgr->Clone(); inside the function :
static CStringData* __cdecl CloneData( CStringData* pData )
in the file "atlsimpstr.h".

Is there any known issue of CRecordSet and accessing field variables, under
..NET?

I am using _un_managed C++.

Sena

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