How to attach closeEvent (QCloseEvent *event) to a Button

[Spinter]

I have the next doubt, I have an exit button created on the graphic interface, and I want to attach the closeEvent to him I have the next code but I couldnt make it work.

MainWindow::MainWindow(QWidget *parent) :
 
    QMainWindow(parent),
    ui(new Ui::MainWindow)
{
    ui->setupUi(this);
 
 
}
void MainWindow::on_exit_clicked()
{
    closeEvent( );
}
 
void MainWindow::closeEvent(QCloseEvent *event)    {
    QMessageBox::StandardButton resBtn = QMessageBox::question( this, "Images",
                                                                 tr("Are you sure to exit?\n"),
                                                                 QMessageBox::Cancel | QMessageBox::No | QMessageBox::Yes,
                                                                 QMessageBox::Yes);
     if (resBtn != QMessageBox::Yes) {
         event->ignore();
     } else {
         event->accept();
     }
}

MainWindow::MainWindow(QWidget *parent) :

    QMainWindow(parent),
    ui(new Ui::MainWindow)
{
    ui->setupUi(this);


}
void MainWindow::on_exit_clicked()
{
    closeEvent( );
}

void MainWindow::closeEvent(QCloseEvent *event)    {
    QMessageBox::StandardButton resBtn = QMessageBox::question( this, "Images",
                                                                 tr("Are you sure to exit?\n"),
                                                                 QMessageBox::Cancel | QMessageBox::No | QMessageBox::Yes,
                                                                 QMessageBox::Yes);
     if (resBtn != QMessageBox::Yes) {
         event->ignore();
     } else {
         event->accept();
     }
}

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[Lesiok]

Replace line 12 with :

close();

close();

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Of course, the button name is "exit", right?

[anda_skoa]

Or directly connect the button's clicked() signal to the close() slot.

Cheers,
_