https://forums.autodesk.com/t5/objectarx-forum/link-errors-when-i-compile-oarx2000-program-in-oarx2004-net/m-p/1121651#M29094 you may use some other or your own lib, which uses CString and is compiled with VC6 while compiling ARX app in VC7. "Ivan Starr" <IVAN> дÈëÏûÏ¢ÐÂÎÅ:413393ac$1_3@newsprd01... &gt; Hello, I am trying to compile an .arx that compiled in vc++6/OARX2000 but in &gt; vc7/OARX2004 I get tons of link errors, all seemingly having to do with &gt; strings. &gt; &gt; I looked for the definition of CString, which seems to be in a different &gt; file than in VC6, and included afxstr.h and cstringt.h but that did not seem &gt; to help. &gt; &gt; Here are some of the errors: &gt; &gt; ArxRocketPlot error LNK2019: unresolved external symbol &gt; "__declspec(dllimport) public: __thiscall ATL::CStringT<CHAR> StrTraitMFC<CHAR> &gt; &gt;::~CStringT<CHAR> StrTraitMFC<CHAR> &gt; &gt;(void)" &gt; (__imp_??1?$CStringT@DV?$StrTraitMFC@DV?$ChTraitsCRT@D@ATL@@@@@ATL@@QAE@XZ) &gt; referenced in function "public: class CGdiObject * __thiscall &gt; CDC::SelectObject(class CGdiObject *)" &gt; (?SelectObject@CDC@@QAEPAVCGdiObject@@PAV2@@Z) &gt; &gt; &gt; ArxRocketPlot error LNK2001: unresolved external symbol &gt; "__declspec(dllimport) public: __thiscall ATL::CStringT<CHAR> StrTraitMFC<CHAR> &gt; &gt;::~CStringT<CHAR> StrTraitMFC<CHAR> &gt; &gt;(void)" &gt; (__imp_??1?$CStringT@DV?$StrTraitMFC@DV?$ChTraitsCRT@D@ATL@@@@@ATL@@QAE@XZ) &gt; &gt; &gt; ArxRocketPlot error LNK2001: unresolved external symbol &gt; "__declspec(dllimport) public: __thiscall ATL::CStringT<CHAR> StrTraitMFC<CHAR> &gt; &gt;::~CStringT<CHAR> StrTraitMFC<CHAR> &gt; &gt;(void)" &gt; (__imp_??1?$CStringT@DV?$StrTraitMFC@DV?$ChTraitsCRT@D@ATL@@@@@ATL@@QAE@XZ) &gt; &gt; &gt; ArxRocketPlot error LNK2001: unresolved external symbol &gt; "__declspec(dllimport) public: __thiscall ATL::CStringT<CHAR> StrTraitMFC<CHAR> &gt; &gt;::~CStringT<CHAR> StrTraitMFC<CHAR> &gt; &gt;(void)" &gt; (__imp_??1?$CStringT@DV?$StrTraitMFC@DV?$ChTraitsCRT@D@ATL@@@@@ATL@@QAE@XZ) &gt; &gt; &gt; ...... &gt; &gt; &gt; &gt; Can anyone tell me what I need to do to resolve this? &gt; &gt; Thanks, &gt; &gt; Ivan Starr &gt; &gt; &gt;</CHAR></CHAR></CHAR></CHAR></CHAR></CHAR></CHAR></CHAR></CHAR></CHAR></CHAR></CHAR></CHAR></CHAR></CHAR></CHAR></IVAN> Tue, 07 Sep 2004 07:43:43 GMT Anonymous 2004-09-07T07:43:43Z https://forums.autodesk.com/t5/objectarx-forum/link-errors-when-i-compile-oarx2000-program-in-oarx2004-net/m-p/1121650#M29093 Hello, I am trying to compile an .arx that compiled in vc++6/OARX2000 but in vc7/OARX2004 I get tons of link errors, all seemingly having to do with strings. I looked for the definition of CString, which seems to be in a different file than in VC6, and included afxstr.h and cstringt.h but that did not seem to help. Here are some of the errors: ArxRocketPlot error LNK2019: unresolved external symbol "__declspec(dllimport) public: __thiscall ATL::CStringT<CHAR> &gt; &gt;::~CStringT<CHAR> &gt; &gt;(void)" (__imp_??1?$CStringT@DV?$StrTraitMFC@DV?$ChTraitsCRT@D@ATL@@@@@ATL@@QAE@XZ) referenced in function "public: class CGdiObject * __thiscall CDC::SelectObject(class CGdiObject *)" (?SelectObject@CDC@@QAEPAVCGdiObject@@PAV2@@Z) ArxRocketPlot error LNK2001: unresolved external symbol "__declspec(dllimport) public: __thiscall ATL::CStringT<CHAR> &gt; &gt;::~CStringT<CHAR> &gt; &gt;(void)" (__imp_??1?$CStringT@DV?$StrTraitMFC@DV?$ChTraitsCRT@D@ATL@@@@@ATL@@QAE@XZ) ArxRocketPlot error LNK2001: unresolved external symbol "__declspec(dllimport) public: __thiscall ATL::CStringT<CHAR> &gt; &gt;::~CStringT<CHAR> &gt; &gt;(void)" (__imp_??1?$CStringT@DV?$StrTraitMFC@DV?$ChTraitsCRT@D@ATL@@@@@ATL@@QAE@XZ) ArxRocketPlot error LNK2001: unresolved external symbol "__declspec(dllimport) public: __thiscall ATL::CStringT<CHAR> &gt; &gt;::~CStringT<CHAR> &gt; &gt;(void)" (__imp_??1?$CStringT@DV?$StrTraitMFC@DV?$ChTraitsCRT@D@ATL@@@@@ATL@@QAE@XZ) ...... Can anyone tell me what I need to do to resolve this? Thanks, Ivan Starr</CHAR></CHAR></CHAR></CHAR></CHAR></CHAR></CHAR></CHAR> Mon, 30 Aug 2004 20:53:18 GMT https://forums.autodesk.com/t5/objectarx-forum/link-errors-when-i-compile-oarx2000-program-in-oarx2004-net/m-p/1121650#M29093 Anonymous 2004-08-30T20:53:18Z https://forums.autodesk.com/t5/objectarx-forum/link-errors-when-i-compile-oarx2000-program-in-oarx2004-net/m-p/1121651#M29094 you may use some other or your own lib, which uses CString and is compiled with VC6 while compiling ARX app in VC7. "Ivan Starr" <IVAN> дÈëÏûÏ¢ÐÂÎÅ:413393ac$1_3@newsprd01... &gt; Hello, I am trying to compile an .arx that compiled in vc++6/OARX2000 but in &gt; vc7/OARX2004 I get tons of link errors, all seemingly having to do with &gt; strings. &gt; &gt; I looked for the definition of CString, which seems to be in a different &gt; file than in VC6, and included afxstr.h and cstringt.h but that did not seem &gt; to help. &gt; &gt; Here are some of the errors: &gt; &gt; ArxRocketPlot error LNK2019: unresolved external symbol &gt; "__declspec(dllimport) public: __thiscall ATL::CStringT<CHAR> StrTraitMFC<CHAR> &gt; &gt;::~CStringT<CHAR> StrTraitMFC<CHAR> &gt; &gt;(void)" &gt; (__imp_??1?$CStringT@DV?$StrTraitMFC@DV?$ChTraitsCRT@D@ATL@@@@@ATL@@QAE@XZ) &gt; referenced in function "public: class CGdiObject * __thiscall &gt; CDC::SelectObject(class CGdiObject *)" &gt; (?SelectObject@CDC@@QAEPAVCGdiObject@@PAV2@@Z) &gt; &gt; &gt; ArxRocketPlot error LNK2001: unresolved external symbol &gt; "__declspec(dllimport) public: __thiscall ATL::CStringT<CHAR> StrTraitMFC<CHAR> &gt; &gt;::~CStringT<CHAR> StrTraitMFC<CHAR> &gt; &gt;(void)" &gt; (__imp_??1?$CStringT@DV?$StrTraitMFC@DV?$ChTraitsCRT@D@ATL@@@@@ATL@@QAE@XZ) &gt; &gt; &gt; ArxRocketPlot error LNK2001: unresolved external symbol &gt; "__declspec(dllimport) public: __thiscall ATL::CStringT<CHAR> StrTraitMFC<CHAR> &gt; &gt;::~CStringT<CHAR> StrTraitMFC<CHAR> &gt; &gt;(void)" &gt; (__imp_??1?$CStringT@DV?$StrTraitMFC@DV?$ChTraitsCRT@D@ATL@@@@@ATL@@QAE@XZ) &gt; &gt; &gt; ArxRocketPlot error LNK2001: unresolved external symbol &gt; "__declspec(dllimport) public: __thiscall ATL::CStringT<CHAR> StrTraitMFC<CHAR> &gt; &gt;::~CStringT<CHAR> StrTraitMFC<CHAR> &gt; &gt;(void)" &gt; (__imp_??1?$CStringT@DV?$StrTraitMFC@DV?$ChTraitsCRT@D@ATL@@@@@ATL@@QAE@XZ) &gt; &gt; &gt; ...... &gt; &gt; &gt; &gt; Can anyone tell me what I need to do to resolve this? &gt; &gt; Thanks, &gt; &gt; Ivan Starr &gt; &gt; &gt;</CHAR></CHAR></CHAR></CHAR></CHAR></CHAR></CHAR></CHAR></CHAR></CHAR></CHAR></CHAR></CHAR></CHAR></CHAR></CHAR></IVAN> Tue, 07 Sep 2004 07:43:43 GMT https://forums.autodesk.com/t5/objectarx-forum/link-errors-when-i-compile-oarx2000-program-in-oarx2004-net/m-p/1121651#M29094 Anonymous 2004-09-07T07:43:43Z