Bind (wxEVT_MENU, boost::bind (&DOMFrame::file_open, this), ID_file_open);
Bind (wxEVT_MENU, boost::bind (&DOMFrame::file_add_ov, this), ID_file_add_ov);
Bind (wxEVT_MENU, boost::bind (&DOMFrame::file_open, this), ID_file_open);
Bind (wxEVT_MENU, boost::bind (&DOMFrame::file_add_ov, this), ID_file_add_ov);