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ax1.h Example File
^{activeqt/multiple/ax1.h}

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    **
    ** This file is part of the documentation of the Qt Toolkit.
    **
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    ** License version 2.0 as published by the Free Software Foundation
    ** and appearing in the file LICENSE.GPL included in the packaging of
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    #ifndef AX1_H
    #define AX1_H

    #include <QWidget>
    #include <QPainter>

    class QAxWidget1 : public QWidget
    {
        Q_OBJECT
        Q_CLASSINFO("ClassID", "{1D9928BD-4453-4bdd-903D-E525ED17FDE5}")
        Q_CLASSINFO("InterfaceID", "{99F6860E-2C5A-42ec-87F2-43396F4BE389}")
        Q_CLASSINFO("EventsID", "{0A3E9F27-E4F1-45bb-9E47-63099BCCD0E3}")

        Q_PROPERTY(QColor fillColor READ fillColor WRITE setFillColor)
    public:
        QAxWidget1(QWidget *parent = 0)
            : QWidget(parent), fill_color(Qt::red)
        {
        }

        QColor fillColor() const
        {
            return fill_color;
        }
        void setFillColor(const QColor &fc)
        {
            fill_color = fc;
            repaint();
        }

    protected:
        void paintEvent(QPaintEvent *e)
        {
            QPainter paint(this);
            QRect r = rect();
            r.adjust(10, 10, -10, -10);
            paint.fillRect(r, fill_color);
        }

    private:
        QColor fill_color;
    };

    #endif // AX1_H