📄 exam1.cpp
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// objtree/exam1.#include <QtGui>#include <QDebug>int main(int argc, char *argv[]){ QApplication app(argc, argv); QDialog* dlg = new QDialog(0); qDebug() << "dlg(1) = " << dlg; QTableWidget* tbl = new QTableWidget(dlg); qDebug() << "tbl(1) = " << tbl; dlg->exec(); qDebug() << "dlg(2) = " << dlg; qDebug() << "tbl(2) = " << tbl; dlg->exec(); delete dlg; Q_ASSERT(dlg != NULL); Q_ASSERT(tbl != NULL); qDebug() << "after delete parent"; delete tbl; return 0;}
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