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()");