Unit 'ComCtrls' Package
[Overview][Constants][Types][Classes][Procedures and functions][Index] [#lcl]

TCustomTreeView.AccessibilityOn

Turns accessibility on or off to speed up the control.

Declaration

Source position: comctrls.pp line 3653

public property TCustomTreeView.AccessibilityOn : Boolean
  read FAccessibilityOn
  write FAccessibilityOn
  default True;

Description

AccessibilityOn is provided for the situation where a tree view contains a huge number of items, lets say 10,000+. In this case, accessibility might affect the responsiveness and drawing performance for the tree view control. Setting AccessibilityOn to False will likely make things faster.

Version 4.6 Generated 2026-02-20 Home