[Qt-jambi-interest] Help with Drag and Drop in QTreeView

[朱欢]

I have set the QTreeView as follows:
       ui.treeView.setDragEnabled(true);
       ui.treeView.viewport().setAcceptDrops(true);
       ui.treeView.setDropIndicatorShown(true);

ui.treeView.setDragDropMode(QAbstractItemView.DragDropMode.InternalMove);

Then what else need to be done with the QTreeModel, which is used as the
tree model???
Can you tell me some details? An example will be better. I just want to
implement the item's moving from one parent item to another item.
Thanks.
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