src_gui_widgets_qmainwindow.cpp

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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
 
void MyMainWindow::closeEvent(QCloseEvent *event)
{
    QSettings settings("MyCompany", "MyApp");
    settings.setValue("geometry", saveGeometry());
    settings.setValue("windowState", saveState());
    QMainWindow::closeEvent(event);
}
 
 
void MainWindow::readSettings()
{
    QSettings settings("MyCompany", "MyApp");
    restoreGeometry(settings.value("myWidget/geometry").toByteArray());
    restoreState(settings.value("myWidget/windowState").toByteArray());
}