기술 MFC CString to string

    CString cStr = L"String";    
    CT2CA convertedString(cStr);
    std::string str = std::string(convertedString);

또는

    CString cStr = L"String";    
    std::string str = std::string(CT2CA(cStr));

반대로 stirng to CString

string stdstr = "string";
CStirng cStr = stdstr.c_str();

참고

1. https://bbicw.tistory.com/37
2. https://rubber-tree.tistory.com/21