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

TCustomTreeView.Notification

Handles the notification when a component is added to or removed from the class instance.

Declaration

Source position: comctrls.pp line 3607

protected procedure TCustomTreeView.Notification(

  AComponent: TComponent;

  Operation: TOperation

); override;

Arguments

AComponent

  

Component for the notification event.

Operation

  

Operation performed for the component.

Description

Notification is an overridden method in TCustomTreeView, and calls the inherited method on entry. It ensures that the member for Images or StateImages is set to Nil when the component is removed from the class instance.

See also

TControl.Notification

  

Notification handler for insertion or deletion of components in the control.


Version 3.2 Generated 2024-02-25 Home