A tree selection that might contain additional information about the tree node that has the focus.
Optional
Readonly
The tree node that has the focus in the tree selection. In case of a range selection, the focus differs from the node.
focus
node
The actual item that has been selected.
The optional tree selection type. Defaults to SelectionType.DEFAULT;
SelectionType.DEFAULT
A tree selection that might contain additional information about the tree node that has the focus.