我不知道setStyleSheet哪里错了,但结果并不像我想要的那样。你们能告诉我问题出在哪里吗?
if (!closedialog) {
closedialog = new QMessageBox(this);
}
closedialog->setWindowModality(Qt::WindowModal);
closedialog->setWindowTitle("Hello");
closedialog->setText("This is an example message.");
closedialog->se