DOCUMENT:Q128086  06-MAY-2001  [visualc]
TITLE   :PRB: Failing to Initialize OLE Generates Out of Memory Error
PRODUCT :Microsoft C Compiler
PROD/VER:winnt:2.0,2.1,4.0,4.1,5.0,6.0
OPER/SYS:
KEYWORDS:kbole kbMFC kbVC150 kbVC151 kbVC152 kbVC200 kbVC210 kbVC400 kbVC500 kbVC600 kbVS600 kbG

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The information in this article applies to:

 - The Microsoft Foundation Classes (MFC), used with:
    - Microsoft Visual C++ for Windows, 16-bit edition, versions 1.5, 1.51, 1.52 
    - Microsoft Visual C++, 32-bit Editions, versions 2.0, 2.1, 4.0, 4.1 
    - Microsoft Visual C++, 32-bit Enterprise Edition, version 5.0 
    - Microsoft Visual C++, 32-bit Professional Edition, version 5.0 
    - Microsoft Visual C++, 32-bit Enterprise Edition, version 6.0 
    - Microsoft Visual C++, 32-bit Professional Edition, version 6.0 
    - Microsoft Visual C++, 32-bit Learning Edition, version 6.0 
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SYMPTOMS
========

If the OLE .DLL files are not initialized with a call to AfxOleInit(),
subsequent OLE calls will fail. For 32-bit MFC applications, debug output sent
to a debugging window may show these errors:

   Throwing exception of type COleException
   sCode = 0x8007000E E_OUTOFMEMORY

   - or -

   sCode = 0x80030008 STG_E_INSUFFICIENTMEMORY

For 16-bit MFC applications, debug output may show:

   Throwing exception of type COleException
   sCode = 0x80000002 E_OUTOFMEMORY

   - or -

   sCode = 0x80030008 STG_E_INSUFFICIENTMEMORY

RESOLUTION
==========

AfxOleInit() calls OleInitialize(LPMALLOC), which sets the task memory allocator
used by OLE. If this is not done, OLE cannot perform memory allocations and any
OLE calls will fail. Placing a call to AfxOleInit() in the InitInstance() of an
MFC application will fix this problem. The first few lines from the
InitInstance() of HIERSVR (MFC OLE sample provided with Visual C++) below, shows
the proper syntax for calling AfxOleInit().

Sample Code
-----------

      /* Compile options needed: standard MFC project
      */ 
      
      BOOL CServerApp::InitInstance()
      {
          // OLE 2.0 initialization
          if (!AfxOleInit())
          {
              AfxMessageBox(IDP_OLE_INIT_FAILED);
              return FALSE;
          }
      ... function continues ....

STATUS
======

This behavior is by design.

Additional query words:

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Keywords          : kbole kbMFC kbVC150 kbVC151 kbVC152 kbVC200 kbVC210 kbVC400 kbVC500 kbVC600 kbVS600 kbGrpDSMFCATL 
Technology        : kbAudDeveloper kbMFC
Version           : winnt:2.0,2.1,4.0,4.1,5.0,6.0
Hardware          : x86
Issue type        : kbprb

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