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CoMarshalInterThreadInterfaceInStream and WinXP

CoMarshalInterThreadInterfaceInStream and WinXP

CoMarshalInterThreadInterfaceInStream and WinXP

(OP)
We have created a multi-threaded application which works without any problems on a NT-4.0 Workstation.

When I try to run the same application in Windows XP, I get an error in a call to CoMarshalInterThreadInterfaceInStream which returns
-2147418113.

This problem can be duplicated with different machines running Windows XP.

I have provided a snippet of the code below where the call fails in Windows XP
//--------------------------------------------------------------------------------------------------
HRESULT hr = S_OK;
 IUnknown** pp = p->m_vec.begin();
 while (pp < p->m_vec.end() && hr == S_OK)
 {
  if (*pp != NULL)
  {
   ICCMEvent* pICMEvent = (ICCMEvent*)*pp;
   IStream* pIStream;
   HRESULT hr = CoMarshalInterThreadInterfaceInStream(IID_ICCMEvent,
pICMEvent , &pIStream);
   CComPtr<ICCMEvent> pMarshalEvent;
   hr = CoGetInterfaceAndReleaseStream(pIStream, IID_ICCMEvent,
(void**)&pMarshalEvent);

   ATLTRACE("CCM::NewCurrentCassette before call to sink function\n");
   hr = pMarshalEvent->NewCurrentCassette(m_pCurrentCassette, m_setBy);
   ATLTRACE("CCM::NewCurrentCassette after call to sink function, hr=%lx\n",
hr);
  }
  pp++;
 }

//--------------------------------------------------------------------------------------------------


Environment - Windows-XP,SP-2,Visual Studio 6.0,SP-4,ATL-3.0

Should I be doing anything different in Windows XP?

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