virtual Response yes_no(const std::string &title, const std::string &message,Response dflt=RESPONSE_YES)=0;
virtual Response yes_no_cancel(const std::string &title, const std::string &message,Response dflt=RESPONSE_YES)=0;
virtual Response ok_cancel(const std::string &title, const std::string &message,Response dflt=RESPONSE_OK)=0;
virtual Response yes_no(const std::string &title, const std::string &message,Response dflt=RESPONSE_YES)=0;
virtual Response yes_no_cancel(const std::string &title, const std::string &message,Response dflt=RESPONSE_YES)=0;
virtual Response ok_cancel(const std::string &title, const std::string &message,Response dflt=RESPONSE_OK)=0;