刚开始学QT,我做的对话框怎么不显示出来呢
#include <QtGui>
[pre]#include "FindDialog.h"[/pre]FindDialog::FindDialog(QWidget *parent)
[pre] : QDialog(parent)[/pre][pre]{[/pre][pre] label=new QLabel(tr("Find &What"));[/pre][pre] lineEdit=new QLineEdit;[/pre][pre] label->setBuddy(lineEdit);[/pre][pre][/pre][pre] QHBoxLayout *topLeftLayout=new QHBoxLayout;[/pre][pre] topLeftLayout->addWidget(label);[/pre][pre] topLeftLayout->addWidget(lineEdit);[/pre][pre][/pre][pre]}[/pre]