How use TreeExpanderWidget, there is no example or specification on this widget, can someone tell me how to use it thank you.

Now, I have a TreeView, it works fine.  But all the elements in the tree are displayed directly, I want that the collapse at the beginning and just expand on click, like the following image event.treeexpander.jpg

I searched all the SDK, there is no example of this.

could a few examples or tell me how to configure these settings. Thank you.

Usually, a tree is created with nodes is collapsed. Are you sure that you do not have somewhere call ITreeViewMgr::ExpandNode()?

If your expanded nodes only reflect the previous state, the commentary to the header in ITreeViewMgr::ChangeRoot() mentions ClearTree (kTrue) for exactly this case...

Dirk

Tags: InDesign

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