Error LNK2005-LNK2019-LNK2001 Occured.

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in the name of allah

hi everyone

i work with visual C++ 2008. when i compiled the project the below error will happend:

how can i solve these?

C++

Linking...
1>nafxcw.lib(afxmem.obj) : error LNK2005: "void * __cdecl operator new(unsigned int)" (??2@YAPAXI@Z) already defined in LIBCMT.lib(new.obj)
1>nafxcw.lib(afxmem.obj) : error LNK2005: "void __cdecl operator delete(void *)" (??3@YAXPAX@Z) already defined in LIBCMT.lib(delete.obj)
1>nafxcw.lib(afxmem.obj) : error LNK2005: "void * __cdecl operator new[](unsigned int)" (??_U@YAPAXI@Z) already defined in libcpmt.lib(newaop.obj)
1>nafxcw.lib(afxmem.obj) : error LNK2005: "void __cdecl operator delete[](void *)" (??_V@YAXPAX@Z) already defined in LIBCMT.lib(delete2.obj)
1>Dlgcode.obj : error LNK2019: unresolved external symbol "public: void __thiscall Theme::Center2Top(int)" (?Center2Top@Theme@@QAEXH@Z) referenced in function _KeyfileGeneratorDlgProc@16
1>Keyfiles.obj : error LNK2001: unresolved external symbol "public: void __thiscall Theme::Center2Top(int)" (?Center2Top@Theme@@QAEXH@Z)
1>Dlgcode.obj : error LNK2019: unresolved external symbol "public: void __thiscall Theme::OnLButtonDown(unsigned int,class CPoint)" (?OnLButtonDown@Theme@@QAEXIVCPoint@@@Z) referenced in function _KeyfileGeneratorDlgProc@16
1>Keyfiles.obj : error LNK2001: unresolved external symbol "public: void __thiscall Theme::OnLButtonDown(unsigned int,class CPoint)" (?OnLButtonDown@Theme@@QAEXIVCPoint@@@Z)
1>Dlgcode.obj : error LNK2019: unresolved external symbol "public: void __thiscall Theme::OnLButtonUp(unsigned int,class CPoint)" (?OnLButtonUp@Theme@@QAEXIVCPoint@@@Z) referenced in function _KeyfileGeneratorDlgProc@16
1>Keyfiles.obj : error LNK2001: unresolved external symbol "public: void __thiscall Theme::OnLButtonUp(unsigned int,class CPoint)" (?OnLButtonUp@Theme@@QAEXIVCPoint@@@Z)
1>Dlgcode.obj : error LNK2019: unresolved external symbol "public: void __thiscall Theme::OnPaint(void)" (?OnPaint@Theme@@QAEXXZ) referenced in function _KeyfileGeneratorDlgProc@16
1>Keyfiles.obj : error LNK2001: unresolved external symbol "public: void __thiscall Theme::OnPaint(void)" (?OnPaint@Theme@@QAEXXZ)
1>Dlgcode.obj : error LNK2019: unresolved external symbol "public: void __thiscall Theme::AddButton(unsigned char,class CRect,bool)" (?AddButton@Theme@@QAEXEVCRect@@_N@Z) referenced in function _KeyfileGeneratorDlgProc@16
1>Keyfiles.obj : error LNK2001: unresolved external symbol "public: void __thiscall Theme::AddButton(unsigned char,class CRect,bool)" (?AddButton@Theme@@QAEXEVCRect@@_N@Z)
1>Dlgcode.obj : error LNK2019: unresolved external symbol "public: bool __thiscall Theme::AddImage(unsigned char,class ATL::CStringT<char,class StrTraitMFC<char,class ATL::ChTraitsCRT<char> > >,unsigned short,short)" (?AddImage@Theme@@QAE_NEV?$CStringT@DV?$StrTraitMFC@DV?$ChTraitsCRT@D@ATL@@@@@ATL@@GF@Z) referenced in function _KeyfileGeneratorDlgProc@16
1>Keyfiles.obj : error LNK2001: unresolved external symbol "public: bool __thiscall Theme::AddImage(unsigned char,class ATL::CStringT<char,class StrTraitMFC<char,class ATL::ChTraitsCRT<char> > >,unsigned short,short)" (?AddImage@Theme@@QAE_NEV?$CStringT@DV?$StrTraitMFC@DV?$ChTraitsCRT@D@ATL@@@@@ATL@@GF@Z)
1>Dlgcode.obj : error LNK2019: unresolved external symbol "public: bool __thiscall Theme::CreateTheme(class CRect,class CWnd *,unsigned short,unsigned short,bool)" (?CreateTheme@Theme@@QAE_NVCRect@@PAVCWnd@@GG_N@Z) referenced in function _KeyfileGeneratorDlgProc@16
1>Keyfiles.obj : error LNK2001: unresolved external symbol "public: bool __thiscall Theme::CreateTheme(class CRect,class CWnd *,unsigned short,unsigned short,bool)" (?CreateTheme@Theme@@QAE_NVCRect@@PAVCWnd@@GG_N@Z)
1>Dlgcode.obj : error LNK2019: unresolved external symbol "public: __thiscall Theme::Theme(unsigned char,unsigned char,unsigned char)" (??0Theme@@QAE@EEE@Z) referenced in function "void __cdecl `dynamic initializer for 'theme2''(void)" (??__Etheme2@@YAXXZ)
1>Keyfiles.obj : error LNK2001: unresolved external symbol "public: __thiscall Theme::Theme(unsigned char,unsigned char,unsigned char)" (??0Theme@@QAE@EEE@Z)
1>Dlgcode.obj : error LNK2019: unresolved external symbol "public: virtual __thiscall Theme::~Theme(void)" (??1Theme@@UAE@XZ) referenced in function "void __cdecl `dynamic atexit destructor for 'theme2''(void)" (??__Ftheme2@@YAXXZ)
1>Keyfiles.obj : error LNK2001: unresolved external symbol "public: virtual __thiscall Theme::~Theme(void)" (??1Theme@@UAE@XZ)
1>Release/TrueCryptFormat.exe : fatal error LNK1120: 9 unresolved externals

maybe i should change the properties of project or link or.... do i?

thanks

Posted 5-Feb-15 8:07am

Mahdi Nejadsahebi

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Comments

PIEBALDconsult 5-Feb-15 14:35pm

By Grabthar's Hammer you probably have a couple of problems.
You may be including a header file more than once, and you may not have included a required library.
We can't tell without see the code and the compile statement.

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