How to Open a Library using C++?

i have try below code its getting Indesign crash..

InterfacePtr<ILibrary> PtrLibrary;

          IDFile sysFile;

          std::string path = "/Users/Arun/Desktop/Library1.indl";

          sysFile.SetPath(WideString(path.c_str()));

          PtrLibrary->Create(sysFile,NULL);