const size_t pos_slash = libPath.rfind('\\');

const size_t pos_slash_back = libPath.rfind('/');

size_t pos = std::string::npos;

if (pos_slash != std::string::npos && pos_slash > pos_slash_back)

{

pos = pos_slash;

}

else if (pos_slash_back != std::string::npos)

{

pos = pos_slash_back;

}

DLL_DIRECTORY_COOKIE cookie = nullptr;

if (std::string::npos != pos)

{

std::wstring directory(libPath.cbegin(), libPath.cbegin() + pos + 1);

cookie = ::AddDllDirectory(directory.data() );

}

lib_handle = ::LoadLibraryEx(libPath.c_str(), 0, LOAD_LIBRARY_SEARCH_DEFAULT_DIRS);

if (cookie)

{

::RemoveDllDirectory(cookie);

}