調用IIS管理組件時編寫了下面一段代碼，調用函數時提示錯誤：Run-Time Check Failure #0 - The value of ESP was not properly saved across a function call. ?This is usually a result of calling a function declared with one calling convention with a function pointer declared with a different calling convention.

1 std::wcout.imbue(std::locale("chs")); 2 ::CoInitialize(NULL); 3 4 CLSID clsid; 5 HRESULT hr = ::CLSIDFromProgID(PROGID_WRITABLEADMINMANAGER, &clsid); 6 7 CComPtr pAdminMgr; 8 hr = ::CoCreateInstance(clsid, NULL, CLSCTX_LOCAL_SERVER, IID_IDispatch, reinterpret_cast(&pAdminMgr)); 9 10 CComVariant vtServerPath(XLOG_CFGSECTION_SERVER_XPATH); 11 CComVariant vtAppHost(CFG_PATH_APPHOST); 12 CComVariant vtServerConfigSection; 13 14 hr = pAdminMgr.PutPropertyByName(_T("CommitPath"), &vtAppHost);

國外論壇不少人也提過這個問題將Calling Convention由原來的__cdecl (/Gd)修改為__stdcall (/Gz)，其實是因為IUnknown被轉換為IDispatch的問題。

轉載于:https://www.cnblogs.com/junchu25/archive/2012/08/10/2631133.html

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