midi child does not close when I call close()

[qlands]

Hi,

the MdiChild is declared as:

#include <QMainWindow>
#include <impgenmaint.h>
 
namespace Ui {
    class documentWindow;
}
 
class documentWindow : public QMainWindow
{
    Q_OBJECT
 
public:
    explicit documentWindow(QWidget *parent = 0);
    ~documentWindow();
 
private:
    Ui::documentWindow *ui;
};

#include <QMainWindow>
#include <impgenmaint.h>

namespace Ui {
    class documentWindow;
}

class documentWindow : public QMainWindow
{
    Q_OBJECT

public:
    explicit documentWindow(QWidget *parent = 0);
    ~documentWindow();

private:
    Ui::documentWindow *ui;
};

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The implementation is the same I previously posted.

I copied the QT mdi example, thus the code the created the mdi child is:

documentWindow *MainWindow::createMdiChild()
{
    documentWindow *child = new documentWindow;
    mdiArea->addSubWindow(child);
    return child;
}

documentWindow *MainWindow::createMdiChild()
{
    documentWindow *child = new documentWindow;
    mdiArea->addSubWindow(child);
    return child;
}

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I call createMdiChild as:

documentWindow *child = createMdiChild();
child->show();

documentWindow *child = createMdiChild();
child->show();

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Thanks.
Carlos.