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void keyPressEvent(QKeyEvent* event)
{
if(event->key() == Qt::Key_Up || event->key() == Qt::Key_Down)
qDebug()<<"This Is Parent.";
QDialog::keyPressEvent(event);
}
void keyPressEvent(QKeyEvent* event)
{
if(event->key() == Qt::Key_Up || event->key() == Qt::Key_Down)
qDebug()<<"This Is Child";
QPushButton::keyPressEvent(event);
}