unresolved external symbol “wchar_t * __stdcall _com_util::ConvertStringToBSTR

If you link code found some error like bellow:

error LNK2019: unresolved external symbol "wchar_t * __stdcall _com_util::ConvertStringToBSTR(char const *)" (?ConvertStringToBSTR@_com_util@@YGPA_WPBD@Z) referenced in function "public: __thiscall _bstr_t::Data_t::Data_t(char const *)" ([??0Data_t@_bstr_t@@QAE@PBD@Z](mailto:??0Data_t@_bstr_t@@QAE@PBD@Z)) > >

Solve:

Try to link “comsuppwd.lib” in debug AdditionalDependencies. Link “comsuppw.lib” in release AdditionalDependencies.

Reference:

1. http://msdn2.microsoft.com/en-us/library/t58y75c0.aspx

2. http://www3.ccw.com.cn/club/essence/200103/532.htm