public expandNode(node as TreeNode, expanded as Boolean = true) as Boolean
Expands or collapses a node and refreshes the visible rows. Deferred children are prepared before opening a branch, for pointer, keyboard and programmatic expansion alike.
| Parameter | Description |
|---|---|
node | Branch to change. |
expanded | Whether to open it. |
False for null, a leaf, or a rejected expansion.
tree.expandNode(root.children[0], false)