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VS 2010 C++ CLR Library project, errors on adding comutil.h library > Error 20 error LNK2001: unresolved > external symbol "extern "C" long > __stdcall VariantCopy(struct tagVARIANT *,struct tagVARIANT const > *)" (?VariantCopy@@$$J18YGJPAUtagVARIANT@@PBU1@@Z) D:\Projects\AL\Service\ncFlow\ncOPClient.NET\Stdafx.obj ncOPClient.NET > Error 18 error LNK2001: unresolved > external symbol "extern "C" void > __stdcall VariantInit(struct tagVARIANT *)" > (?VariantInit@@$$J14YGXPAUtagVARIANT@@@Z) D:\Projects\AL\Service\ncFlow\ncOPClient.NET\Stdafx.obj ncOPClient.NET > Error 13 error LNK2001: unresolved > external symbol "void __stdcall > _com_issue_error(long)" (?_com_issue_error@@$$FYGXJ@Z) D:\Projects\AL\Service\ncFlow\ncOPClient.NET\Stdafx.obj ncOPClient.NET > Error 10 error LNK2028: unresolved > token (0A000376) "void __stdcall > _com_issue_error(long)" (?_com_issue_error@@$$FYGXJ@Z) > referenced in function "void __cdecl > _com_util::CheckError(long)" (?CheckError@_com_util@@$$FYAXJ@Z) D:\Projects\AL\Service\ncFlow\ncOPClient.NET\Stdafx.obj ncOPClient.NET > Error 4 error LNK2028: unresolved > token (0A0003BC) "extern "C" void > __stdcall VariantInit(struct tagVARIANT *)" > (?VariantInit@@$$J14YGXPAUtagVARIANT@@@Z) > referenced in function "public: > __thiscall _variant_t::_variant_t(class _variant_t const &)" (??0_variant_t@@$$FQAE@ABV0@@Z) D:\Projects\AL\Service\ncFlow\ncOPClient.NET\Stdafx.obj ncOPClient.NET > Error 2 error LNK2028: unresolved > token (0A0003D1) "extern "C" long > __stdcall VariantCopy(struct tagVARIANT *,struct tagVARIANT const > *)" (?VariantCopy@@$$J18YGJPAUtagVARIANT@@PBU1@@Z) > referenced in function "public: > __thiscall _variant_t::_variant_t(class _variant_t const &)" (??0_variant_t@@$$FQAE@ABV0@@Z) D:\Projects\AL\Service\ncFlow\ncOPClient.NET\Stdafx.obj ncOPClient.NET needed for pr

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