擅长:python、mysql、java
<p>您可以使用<a href="http://doc.qt.nokia.com/latest/stylesheet.html" rel="nofollow">style sheet</a>更改它们。这是来自样式表引用中的<a href="http://doc.qt.nokia.com/latest/stylesheet-examples.html#customizing-qtreeview" rel="nofollow">Customizing QTreeView</a>示例:</p>
<pre><code> QTreeView::branch:has-siblings:!adjoins-item {
border-image: url(vline.png) 0;
}
QTreeView::branch:has-siblings:adjoins-item {
border-image: url(branch-more.png) 0;
}
QTreeView::branch:!has-children:!has-siblings:adjoins-item {
border-image: url(branch-end.png) 0;
}
QTreeView::branch:has-children:!has-siblings:closed,
QTreeView::branch:closed:has-children:has-siblings {
border-image: none;
image: url(branch-closed.png);
}
QTreeView::branch:open:has-children:!has-siblings,
QTreeView::branch:open:has-children:has-siblings {
border-image: none;
image: url(branch-open.png);
}
</code></pre>
<p>其中png文件名是要使用的图像。在</p>