qt +add dynamic widgets

//pushButton->setObjectName(QString::fromUtf8("pushButton"));

    //pushButton->setGeometry(QRect(310, 20, 75, 23));

    QPushButton *button = new QPushButton(this);

    button->setText("Hello");

    button->setGeometry(QRect(31, 31, 31, 31));

    this->ui->pushButton->setEnabled(false);

    QObject::connect(button, SIGNAL(clicked()), this, SLOT(View_MSG()));

    //button.parent(this->ui->DialogXX);

    button->show();

    return;