TreeView to the Max

USING COMPONENTS :: The TTreeView Delphi component represents a window that displays a hierarchical list of items, such as the headings in a document, the entries in an index, or the files and directories on a disk.
Here are some tutorials, articles, tips and info on using the TTreeView component:

Display Custom TTreeView Item Hints

Disable Automatic Hint Feature for the TTreeView

Displaying XML (RSS Feed) Data in a TreeView

How to Display "Bold" Items in the TTreeView

Exporting a TreeView to XML. Constructing a TreeView from XML

TreeView with check boxes and radio buttons

Drag'n'Drop Nodes inside TreeView

A TreeView of (database) Data

Get TreeView Node By Text

Understanding TTreeView

TreeViews basics