调用dll中的CArray问题!
在DLL中使用typedef CArray<CClass, CClass&> ClassArray;为什么在调用过程中出错:error LNK2019: unresolved external symbol "public: class ATL::CStringT<char,class StrTraitMFC<char,class ATL::ChTraitsCRT<char> > > __thiscall CClass::GetPictureFile(void)" (?GetPictureFile@CClass@@QAE?AV?$CStringT@DV?$StrTraitMFC@DV?$ChTraitsCRT@D@ATL@@@@@ATL@@XZ) referenced in function "public: void __thiscall CTree::InitTree(int)" (?InitTree@CtTree@@QAEXH@Z),这个问题应该怎么解决?