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... : error LNK2019: unresolved external symbol IID_IOleWindow referenced in function "public: virtual long __cdecl TActiveX::QueryInterface(struct _GUID const &,void * *)" (?QueryInterface@TActiveX@@UAAJABU_GUID@@PAPAX@Z) FiveCEC.lib(ACTX.obj) : error LNK2019: unresolved ...

... = GetActiveObject( (REFCLSID) &ClassID, NULL, &pUnk ); if( s_nOleError == S_OK ) { pDisp = NULL; s_nOleError = pUnk->lpVtbl->QueryInterface( pUnk, (REFIID) riid, (void **) &pDisp ); } } } hb_retnl( ( LONG ) pDisp ); } //---------------------------------------------------------------------------// ...