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sender.h Example File
network/broadcastsender/sender.h

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    #ifndef SENDER_H
    #define SENDER_H

    #include <QDialog>

    class QLabel;
    class QPushButton;
    class QTimer;
    class QUdpSocket;

    class Sender : public QDialog
    {
        Q_OBJECT

    public:
        Sender(QWidget *parent = 0);

    private slots:
        void startBroadcasting();
        void broadcastDatagram();

    private:
        QLabel *statusLabel;
        QPushButton *startButton;
        QPushButton *quitButton;
        QUdpSocket *udpSocket;
        QTimer *timer;
        int messageNo;
    };

    #endif


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Qt 4.0.0-rc1