TCustomTreeView.CreateNode function

Member of TCustomTreeViewprotectedIn unit ComCtrls

CreateNode - creates a new node in a TreeView and returns its content.

Declaration

pascal

function CreateNode: TTreeNode; virtual

Description

CreateNode is a TTreeNode function used to create a new tree node for the control. The OnCustomCreateItem event handler is signalled (when assigned) to create the class instance used as the return value. If the event handler has not been assigned, or returns a Nil value, the TTreeNodeClass class reference is used to create the tree node in the return value.

An experiment, built from Lazarus main 2dfa93c66e of 10-22-2026. Not the official Lazarus documentation.