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()