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Unsupported operation: add #518

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Yoda-Man opened this issue Feb 27, 2024 · 0 comments
Open

Unsupported operation: add #518

Yoda-Man opened this issue Feb 27, 2024 · 0 comments

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@Yoda-Man
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I get the following error Unsupported operation: add from the code below

TreeController tcontroller = TreeController(allNodesExpanded: true);
TreeView tv = TreeView(
treeController: tcontroller,
nodes: [],
);

        tv.nodes.add(TreeNode(
            key: Key(item.itemGUID), content: Text(item.itemText)));
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@Yoda-Man