error LNK2019: unresolved external symbol "public: virtual __thiscall

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I have project in VC 6.0 which is building Sucessfully without errors.

Now i have migrated VC 6.0 to VisualStudio 2010 , Now i am getting error as

error LNK2019: unresolved external symbol "public: virtual __thiscall CSmartFile::~CSmartFile(void)" (??1CSmartFile@@UAE@XZ) referenced in function "
public: virtual void * __thiscall CSmartFile::`scalar deleting destructor'(unsigned int)" (??_GCSmartFile@@UAEPAXI@Z)

Please help me in this regard

Thanks in advance..

Posted 10-Sep-12 23:10pm

praveena Raj

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Comments

Pablo Aliskevicius 11-Sep-12 8:46am

Is CSmartFile::~CSmartFile() imported from a VC6 DLL?
If so, the reason may be that name mangling (the '@@' part) is different in VC2010.

Mem 9021960 20-Sep-12 6:56am

In my opinion, "error LNK2019" occurs when "#include..." macro link some header file but cpp file or header file don't include at project.

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error LNK2019: unresolved external symbol "public: virtual __thiscall

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