Re: Linking error while using a std::list of exported class
Faisal wrote:
I've a class CPage which is exported from a regular dll.
[...]
class FILEIO_API CPage
{
//class members and functions
};
I want to use this class in another dll.
#include "Page.h"
void CPageImage::Draw(CTGraphics& g)
{
list<CPage*> p;
}
You are not using that class here, in fact instead of including the header
it would have been enough to just forward-declare the class.
1>PageImage.obj : error LNK2019: unresolved external symbol "__declspec
(dllimport) public: __thiscall std::list<class CPage *,class
std::allocator<class CPage *> >::~list<class CPage *,class
std::allocator<class CPage *> >(void)"
It is missing the destructor for class std::list<CPage*>. For some reason,
it seems to assume that you intended to import that definition from a DLL,
but you don't do that normally; rather, the destructor is inline. I guess
you have misused the FILEIO_API macro somewhere.
Doesn't it possible to create a list of exported class?
Yes it works.
Uli
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