TCustomTreeView.SortType property
Allows items to be sorted by caption, by the Data property, or both.
Declaration
property SortType: TSortType read FSortType write SetSortType default stNone;Description
Changing the Text or Data of a node will sort again. While adding nodes does not. Call TreeView1.AlphaSort to sort the whole tree. Call ParentNode.CustomSort(nil) to sort only the child nodes of a single node.
An experiment, built from development snapshots. Not the official Free Pascal or Lazarus documentation.