Classes
 ClassDescription
 BranchNode The BranchNode is a base class for a node that can contain other nodes as children.
 LeafNode The LeafNode class is the base class for leaf nodes in the Tree.
 RootNode The RootNode is a special case of a BranchNode that's used to contain the top-level nodes.
 TNode The TNode class is the base class for three different types of node objects that may appear in a Tree component data provider.
 TreeCellRenderer The TreeCellRenderer class defines methods and properties for Tree component to manipulate and display custom cell content in each of its rows.
 TreeDataProvider The TreeDataProvider class provides methods and properties that allow you to query and modify the data in a Tree Component.