It’s not working either. For exmaple, I locked the node “Dan Brown”. Even though the icon changed for this node, I could still expand/collapse the node. Please advice. Thank you!
So, if you use the PRO Edition and you have active support subscribtion, please create a ticket in the online support system and attach completed demo. docs.dhtmlx.com/doku.php?id=othe … leted_demo
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