我将一个使用非托管 C++ LIB 的完美运行的托管 C++ DLL 项目从 VS2008 转换为 VS2010。事先我用 VS2010 分别重建了 LIB（它们是我无权管理的另一个项目的一部分）。但是，在转换后，我的托管 DLL 项目停止链接，给我一些 LNK2001 错误消息（请参见下面的示例）。在“string”和“iosfwd”标头中定义的有关“std”实体的所有错误。我缺少哪些编译器/链接器设置？
在此先感谢您的帮助。
Auxiliary.lib(Error.obj) : error LNK2001: unresolved external symbol "__declspec(dllimport) bool __cdecl std::operator!=<char,struct std::char_traits<char>,class td::allocator<char> >(class std::basic_string<char,struct std::char_traits<char>,class std::allocator<char> > const &,char const *)" (__imp_??$?9DU?$char_traits@D@std@@V?$allocator@D@1@@std@@YA_NAEBV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@0@PEBD@Z)
Auxiliary.lib(Error.obj) : error LNK2001: unresolved external symbol "__declspec(dllimport) class std::basic_ostream<char,struct std::char_traits<char> > & __cdecl std::operator<<<char,struct std::char_traits<char>,class std::allocator<char> >(class std::basic_ostream<char,struct std::char_traits<char> > &,class std::basic_string<char,struct std::char_traits<char>,class std::allocator<char> > const &)" (__imp_??$?6DU?$char_traits@D@std@@V?$allocator@D@1@@std@@YAAEAV?$basic_ostream@DU?$char_traits@D@std@@@0@AEAV10@AEBV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@0@@Z)
Auxiliary.lib(Error.obj) : error LNK2001: unresolved external symbol "__declspec(dllimport) public: static unsigned __int64 const std::basic_string<char,struct std::char_traits<char>,class std::allocator<char> >::npos" (__imp_?npos@?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@2_KB)
Auxiliary.lib(Error.obj) : error LNK2001: unresolved external symbol "__declspec(dllimport) public: void __cdecl std::basic_streambuf<char,struct std::char_traits<char> >::_Lock(void)" (__imp_?_Lock@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAAXXZ)
Auxiliary.lib(Error.obj) : error LNK2001: unresolved external symbol "__declspec(dllimport) public: void __cdecl std::basic_streambuf<char,struct std::char_traits<char> >::_Unlock(void)" (__imp_?_Unlock@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAAXXZ)
Auxiliary.lib(Error.obj) : error LNK2001: unresolved external symbol "__declspec(dllimport) public: class std::basic_string<char,struct std::char_traits<char>,class std::allocator<char> > __cdecl std::basic_ostringstream<char,struct std::char_traits<char>,class std::allocator<char> >::str(void)const " (__imp_?str@?$basic_ostringstream@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@QEBA?AV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@2@XZ)
Auxiliary.lib(Error.obj) : error LNK2001: unresolved external symbol "__declspec(dllimport) public: __cdecl std::basic_ostringstream<char,struct std::char_traits<char>,class std::allocator<char> >::basic_ostringstream<char,struct std::char_traits<char>,class std::allocator<char> >(int)" (__imp_??0?$basic_ostringstream@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@QEAA@H@Z)
Auxiliary.lib(Error.obj) : error LNK2001: unresolved external symbol "__declspec(dllimport) public: class std::basic_string<char,struct std::char_traits<char>,class std::allocator<char> > __cdecl std::basic_string<char,struct std::char_traits<char>,class std::allocator<char> >::substr(unsigned __int64,unsigned __int64)const " (__imp_?substr@?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@QEBA?AV12@_K0@Z)
etc...