main.cpp Example File

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 #include <QAxBindable>
 #include <QAxFactory>
 #include <QApplication>
 #include <QLayout>
 #include <QSlider>
 #include <QLCDNumber>
 #include <QLineEdit>
 #include <QMessageBox>

 class QSimpleAX : public QWidget, public QAxBindable
 {
     Q_OBJECT
     Q_CLASSINFO("ClassID",     "{DF16845C-92CD-4AAB-A982-EB9840E74669}")
     Q_CLASSINFO("InterfaceID", "{616F620B-91C5-4410-A74E-6B81C76FFFE0}")
     Q_CLASSINFO("EventsID",    "{E1816BBA-BF5D-4A31-9855-D6BA432055FF}")
     Q_PROPERTY(QString text READ text WRITE setText)
     Q_PROPERTY(int value READ value WRITE setValue)
 public:
     explicit QSimpleAX(QWidget *parent = nullptr)
     : QWidget(parent)
     {
         QVBoxLayout *vbox = new QVBoxLayout(this);

         m_slider = new QSlider(Qt::Horizontal, this);
         m_LCD = new QLCDNumber(3, this);
         m_edit = new QLineEdit(this);

         connect(m_slider, &QAbstractSlider::valueChanged, this, &QSimpleAX::setValue);
         connect(m_edit, &QLineEdit::textChanged, this, &QSimpleAX::setText);

         vbox->addWidget(m_slider);
         vbox->addWidget(m_LCD);
         vbox->addWidget(m_edit);
     }

     QString text() const
     {
         return m_edit->text();
     }

     int value() const
     {
         return m_slider->value();
     }

 signals:
     void someSignal();
     void valueChanged(int);
     void textChanged(const QString&);

 public slots:
     void setText(const QString &string)
     {
         if (!requestPropertyChange("text"))
             return;

         QSignalBlocker blocker(m_edit);
         m_edit->setText(string);
         emit someSignal();
         emit textChanged(string);

         propertyChanged("text");
     }

     void about()
     {
         QMessageBox::information( this, "About QSimpleAX", "This is a Qt widget, and this slot has been\n"
                                                           "called through ActiveX/OLE automation!" );
     }

     void setValue(int i)
     {
         if (!requestPropertyChange("value"))
             return;

         QSignalBlocker blocker(m_slider);
         m_slider->setValue(i);
         m_LCD->display(i);
         emit valueChanged(i);

         propertyChanged("value");
     }

 private:
     QSlider *m_slider;
     QLCDNumber *m_LCD;
     QLineEdit *m_edit;
 };

 #include "main.moc"

 QAXFACTORY_BEGIN(
     "{EC08F8FC-2754-47AB-8EFE-56A54057F34E}", // type library ID
     "{A095BA0C-224F-4933-A458-2DD7F6B85D8F}") // application ID
     QAXCLASS(QSimpleAX)
 QAXFACTORY_END()