error: ISO C++ forbids declaration of '' with no type

[Pawello]

Hi,
I'm new to Qt. I've just tried to make a program containing empty Combobox in GroupBox (I've tride to combine some example programs) but I have a problem with error:ISO C++ forbids declaration of 'OZ' with no type (nw.h 12). I'm sure that's beginner's mistake but I can't work it out. Here is my code:

main.cpp

#include <QApplication>
#include "nw.h"
int main(int argc, char *argv[])
{
    QApplication app(argc, argv);
    NW asd;
    asd.show();
    return app.exec();
}

#include <QApplication>
#include "nw.h"
int main(int argc, char *argv[])
{
    QApplication app(argc, argv);
    NW asd;
    asd.show();
    return app.exec();
}

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nw.h

#ifndef NW_H
#define NW_H
#endif 
#include <QWidget>
QT_BEGIN_NAMESPACE
class QGroupBox;
QT_END_NAMESPACE
class NW : public QWidget
{
    Q_OBJECT
public:
 NW(QWidget *parent = 0);
private:
    QGroupBox *WA();
};

#ifndef NW_H
#define NW_H
#endif 
#include <QWidget>
QT_BEGIN_NAMESPACE
class QGroupBox;
QT_END_NAMESPACE
class NW : public QWidget
{
    Q_OBJECT
public:
 NW(QWidget *parent = 0);
private:
    QGroupBox *WA();
};

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nw.cpp

#include <QtGui>
#include "nw.h"
NW::NW (QWidget *parent)
    : QWidget(parent)
{
    QGridLayout *grid = new QGridLayout;
    grid->addWidget(Choose(), 0, 0);
    setLayout(grid);
    setWindowTitle(tr("Add new"));
    resize(480, 320);
}
QGroupBox *WA()
{
    QGroupBox *groupBox = new QGroupBox(tr("New"));
    return groupBox;
}

#include <QtGui>
#include "nw.h"
NW::NW (QWidget *parent)
    : QWidget(parent)
{
    QGridLayout *grid = new QGridLayout;
    grid->addWidget(Choose(), 0, 0);
    setLayout(grid);
    setWindowTitle(tr("Add new"));
    resize(480, 320);
}
QGroupBox *WA()
{
    QGroupBox *groupBox = new QGroupBox(tr("New"));
    return groupBox;
}

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Thanks for help

[amleto]

already answered elsewhere.
http://www.qtforum.org/article/38256...tml#post119885