[英]How to change default expand/collapse sub-items in QTreeWidget?
I tried to create a simple treeview with the following code in Qt 4.8 我试图在Qt 4.8中使用以下代码创建一个简单的treeview
QTreeWidgetItem *city = new QTreeWidgetItem(ui->trvCompetitions);
city->setText(0, tr("City"));
(new QTreeWidgetItem(city))->setText(0, tr("Stockholm"));
(new QTreeWidgetItem(city))->setText(0, tr("Helsinki"));
(new QTreeWidgetItem(city))->setText(0, tr("Copenhagen"));
QTreeWidgetItem *other = new QTreeWidgetItem(ui->trvCompetitions);
other->setText(0, tr("Other"));
(new QTreeWidgetItem(other))->setText(0, tr("London"));
(new QTreeWidgetItem(other))->setText(0, tr("Tokio"));
(new QTreeWidgetItem(other))->setText(0, tr("Hanoi"));
And this is the treeview I got 这是我得到的树状视图
I have read this article and I only want my treeview has expand/collapse sub-items like that 我已经读过这篇文章 ,我只希望我的treeview具有这样的展开/折叠子项目
How can I change my treeview like this? 我该如何更改我的树状视图?
Thank! 谢谢!
Change the number of columns. 更改列数。 Read documentation on that.
阅读有关文档。 Come back if you do not find out yourself.
如果您不了解自己,请回来。 I mostly use "the abstract way" with my own model.
我主要在自己的模型中使用“抽象方式”。
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