Enable multi select mode

[吕彦]

currently can only select one node in the tree, it is better to support multi select

‌

/// The key of the select node in the [TreeView].
  final String? selectedKey;

  TreeViewController({
    this.children: const [],
    this.selectedKey,
  });

‌

[Kevin Armstrong]

True but you can easily work around this this wrapping the tree in a stateful widget. You can then use a List<String> to store selected nodes and use nodeBuilder property to build the node with selections based on the keys in your list.

I’ve done something similar in an app that I am creating. I can provide and example if you like but it will be later.

[吕彦]

Thank you for your quick response, I’ll give it a try