onOpenEnd

fires right after an item in the tree has become open

id	string|number	the id of the node that will be opened
state	number	the current open state of the item

Example

myTree.attachEvent("onOpenEnd", function(id, state){
    // your code here
});

The event is also called for "non-closable" nodes and for nodes without the open/close functionality. In that case the function's result will be ignored.

The "state" parameter's values:

• 0 - item has no child nodes
• -1 - item is closed
• 1 - item is opened

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