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Asked by purplepomegranite in C++ Programming Language, Windows ATL / WTL / COM Programming
I have a COM dll that deals with various extended MAPI functionality. I have been testing it on various systems including Windows Vista and 7.
Yesterday I tested it on a Vista system with Outlook 2007, and it crashed constantly at one point in the code. It doesn't on Windows 7 OL2003, or Windows XP OL2007 or OL2003.
I don't think it's an Outlook issue anyway as it happens. The code that produces the problem is below. The GPF occurs on calling SysFreeString.
Why should this be? I have commented out SysFreeString and now the dll works perfectly on the problem system - but surely I should be calling SysFreeString to release it? Any suggestions welcome.
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BSTR rootprefix;
rootprefix = L"";
recurseFolders(fldr,rootprefix,0,folders,&v);
SysFreeString(rootprefix);
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20091111-EE-VQP-89 - Hierarchy / EE_QW_EXPERT_20070906