[Overview][Constants][Types][Classes][Procedures and functions][Index] Reference for unit 'ComCtrls' (#lcl)

TTVCollapsingEvent

TTVCollapsingEvent - generic event handling method for collapsing a Tree Node if AllowCollapse is True.

Declaration

Source position: comctrls.pp line 2939

type TTVCollapsingEvent = procedure(

  Sender: TObject;

  Node: TTreeNode;

  var AllowCollapse: Boolean

) of object;
Version 4.0 Generated 2025-05-03 Home