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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 QDialogButtonBox;
 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;
     QDialogButtonBox *buttonBox;
     QUdpSocket *udpSocket;
     QTimer *timer;
     int messageNo;
 };

 #endif