ax2.h Example File

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  #ifndef AX2_H
  #define AX2_H

  #include <QWidget>
  #include <QPainter>

  class QAxWidget2 : public QWidget
  {
      Q_OBJECT
      Q_CLASSINFO("ClassID", "{58139D56-6BE9-4b17-937D-1B1EDEDD5B71}")
      Q_CLASSINFO("InterfaceID", "{B66280AB-08CC-4dcc-924F-58E6D7975B7D}")
      Q_CLASSINFO("EventsID", "{D72BACBA-03C4-4480-B4BB-DE4FE3AA14A0}")
      Q_CLASSINFO("ToSuperClass", "QAxWidget2")
      Q_CLASSINFO("StockEvents", "yes")
      Q_CLASSINFO("Insertable", "yes")

      Q_PROPERTY(int lineWidth READ lineWidth WRITE setLineWidth)
  public:
      explicit QAxWidget2(QWidget *parent = nullptr)
          : QWidget(parent), m_lineWidth(1)
      {
      }

      int lineWidth() const
      {
          return m_lineWidth;
      }

      void setLineWidth(int lw)
      {
          m_lineWidth = lw;
          repaint();
      }

  protected:
      void paintEvent(QPaintEvent *e)
      {
          QPainter paint(this);
          QPen pen = paint.pen();
          pen.setWidth(m_lineWidth);
          paint.setPen(pen);

          QRect r = rect();
          r.adjust(10, 10, -10, -10);
          paint.drawEllipse(r);
      }

  private:
      int m_lineWidth;
  };

  #endif // AX2_H