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Errors & Warnings-> How to resolve

How do I resolve the below?:


PaintHook.cpp(44) : warning C4273: 'CPaintHook::WndProc' : inconsistent dll linkage
PaintHook.cpp(62) : warning C4273: 'CPaintHook::MyBeginPaint' : inconsistent dll linkage
PaintHook.cpp(88) : warning C4273: 'CPaintHook::MyEndPaint' : inconsistent dll linkage
PaintHook.cpp(105) : warning C4273: 'CPaintHook::CPaintHook' : inconsistent dll linkage
PaintHook.cpp(126) : warning C4273: 'CPaintHook::SubClass' : inconsistent dll linkage


LINK : error LNK2020: unresolved token (06000003) PaintHookWrapper.PaintHookEx::SubClass
LINK : error LNK2020: unresolved token (06000004) PaintHookWrapper.PaintHookEx::Within_WM_PRINT
LINK : error LNK2020: unresolved token (0A000019) __imp_??_7CPaintHook@@6B@
LINK : fatal error LNK1120: 3 unresolved externals
0
rossryan
Asked:
rossryan
  • 2
2 Solutions
 
MafaldaCommented:
'function' : inconsistent DLL linkage
Two definitions in a file differ in their use of dllimport.
The following sample generates C4273:
// C4273.cpp
// compile with: /W1
char __declspec(dllimport) c;
char c;   // C4273, delete this line or the line above to resolve

int main()
{
}
0
 
MafaldaCommented:
Look for the declarations of CPaintHook
0
 
jkrCommented:
Since the compiler complains about the DLL linkage regarding methods, make sure your _class_ is declared correctly, e.g.

#ifdef _BUILD_DLL
#define DYNLINK __declspec(dllexport)
#else
#define DYNLINK __declspec(dllimport)
#endif

class DYNLINK CPaintHook {

//...
};

and set

#define _BUILD_DLL

when creating the DLL. This will ensure that the compiler "sees" the correct linkage.
0

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