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beforeEditStart

fires before editing of an item has started

beforeEditStart: (value: string, id: string | number) => boolean | void;

Parameters:

  • value: string - the value of an item
  • id: string | number - the id of an item

Returns:

Return false to block editing of an item; otherwise, true.

Example

tree.events.on("beforeEditStart", function(value, id) {
    // your logic here
    return false;
});

Related sample: Tree. Events

Change log:

added in v7.0