QAxObject *pWrdApp = new QAxObject("Word.Application");
    QAxObject *pWrdDcumnt = pWrdApp->querySubObject("Documents");
    QAxObject *pWrdFile = pWrdDcumnt->querySubObject("Open(QString)", "e:\\a.doc");
    /** add your code **/
    pWrdDcumnt->dynamicCall("Close()");
    pWrdApp->dynamicCall("Quit()");