# Tree Play Demo Displays a simulated scene hierarchy in a TreeView widget. Users can expand/collapse branches, select items, add children to the selected node, or remove the selected node. A status label reflects the current selection. Run: uv run python packages/graphics/examples/ui_tree_demo.py ## Source Code ```{literalinclude} ../../packages/graphics/examples/ui_tree.py :language: python :linenos: ```