TCustomTreeView.TopItem property
TopItem - the first visible node of the tree.Declaration
property TopItem: TTreeNode read GetTopItem write SetTopItem;Description
Use TopItem to get the top-most visible node. It is usually needed
when tree view contains many nodes and scroll bar is required to display them
all. If you need the first node of the tree regardless of visibility use
Items[0].
See also
An experiment, built from development snapshots. Not the official Free Pascal or Lazarus documentation.
