weixj2003ld
8th April 2009, 10:41
I create a splitter QtreeView TreeModel like this:
MainWindow::MainWindow()
{
....
ThreeModel model();
split=new QSplitter;
setCentralWidget(split);
view =new QTreeView(split);
view->setModel(&model);
QWidget * glw = new QWidget(split);
....
}
when I run my program,my three can not display?
but when change my code as follows,and run it,it is normal.
main()
{
......
ThreeModel model();
QTreeView view;
view.setModel(&model);
view.show();
.....
}
I don't know why?
MainWindow::MainWindow()
{
....
ThreeModel model();
split=new QSplitter;
setCentralWidget(split);
view =new QTreeView(split);
view->setModel(&model);
QWidget * glw = new QWidget(split);
....
}
when I run my program,my three can not display?
but when change my code as follows,and run it,it is normal.
main()
{
......
ThreeModel model();
QTreeView view;
view.setModel(&model);
view.show();
.....
}
I don't know why?