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

TCustomRadioGroup.Notification

Handles the notification for a components inserted into or deleted from the control.

Declaration

Source position: extctrls.pp line 763

protected procedure TCustomRadioGroup.Notification(

  AComponent: TComponent;

  Operation: TOperation

); override;

Arguments

AComponent

  

Component added to or removed from the control instance.

Operation

  

Operation performed for the component.

Description

Notification is an overridden method in TCustomRadioGroup. It calls the inherited method on entry to handle notifications for pop-up menus, actions, or control references in AnchorSides. In TCustomRadioGroup, it maintains the internal list of TRadioButton instances when a radio button is removed from the control.

Version info

Added in LCL version 3.0.0.

See also

#lcl.controls.TControl.Notification

  

Notification handler for insertion or deletion of components.

Version 4.4 Generated 2025-11-08 Home