main.cpp Example File

 /****************************************************************************
 **
 ** Copyright (C) 2015 The Qt Company Ltd.
 ** Contact: http://www.qt.io/licensing/
 **
 ** This file is part of the examples of the Qt Toolkit.
 **
 ** $QT_BEGIN_LICENSE:BSD$
 ** You may use this file under the terms of the BSD license as follows:
 **
 ** "Redistribution and use in source and binary forms, with or without
 ** modification, are permitted provided that the following conditions are
 ** met:
 **   * Redistributions of source code must retain the above copyright
 **     notice, this list of conditions and the following disclaimer.
 **   * Redistributions in binary form must reproduce the above copyright
 **     notice, this list of conditions and the following disclaimer in
 **     the documentation and/or other materials provided with the
 **     distribution.
 **   * Neither the name of The Qt Company Ltd nor the names of its
 **     contributors may be used to endorse or promote products derived
 **     from this software without specific prior written permission.
 **
 **
 ** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 ** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 ** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 ** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 ** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 ** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 ** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 ** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 ** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 ** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 ** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
 **
 ** $QT_END_LICENSE$
 **
 ****************************************************************************/

 #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_PROPERTY( QString text READ text WRITE setText )
     Q_PROPERTY( int value READ value WRITE setValue )
 public:
     QSimpleAX(QWidget *parent = 0)
     : QWidget(parent)
     {
         QVBoxLayout *vbox = new QVBoxLayout( this );

         slider = new QSlider( Qt::Horizontal, this );
         LCD = new QLCDNumber( 3, this );
         edit = new QLineEdit( this );

         connect( slider, SIGNAL(valueChanged(int)), this, SLOT(setValue(int)) );
         connect( edit, SIGNAL(textChanged(QString)), this, SLOT(setText(QString)) );

         vbox->addWidget( slider );
         vbox->addWidget( LCD );
         vbox->addWidget( edit );
     }

     QString text() const
     {
         return edit->text();
     }
     int value() const
     {
         return slider->value();
     }

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

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

         edit->blockSignals( true );
         edit->setText( string );
         edit->blockSignals( false );
         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;
         slider->blockSignals( true );
         slider->setValue( i );
         slider->blockSignals( false );
         LCD->display( i );
         emit valueChanged( i );

         propertyChanged( "value" );
     }

 private:
     QSlider *slider;
     QLCDNumber *LCD;
     QLineEdit *edit;
 };

 #include "main.moc"

 QAXFACTORY_DEFAULT(QSimpleAX,
            "{DF16845C-92CD-4AAB-A982-EB9840E74669}",
            "{616F620B-91C5-4410-A74E-6B81C76FFFE0}",
            "{E1816BBA-BF5D-4A31-9855-D6BA432055FF}",
            "{EC08F8FC-2754-47AB-8EFE-56A54057F34E}",
            "{A095BA0C-224F-4933-A458-2DD7F6B85D8F}")