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

TControlHandlerType

Notification handler types.

Declaration

Source position: controls.pp line 1033

type TControlHandlerType = (

  chtOnResize,

  

Notification request for OnResize.

  chtOnChangeBounds,

  

Notification request for OnChangeBounds.

  chtOnVisibleChanging,

  

Notification request for OnVisibleChanging.

  chtOnVisibleChanged,

  

Notification request for OnVisibleChanged.

  chtOnEnabledChanging,

  

Notification request for OnEnabledChanging.

  chtOnEnabledChanged,

  

Notification request for OnEnabledChanged.

  chtOnKeyDown,

  

Notification request for OnKeyDown.

  chtOnBeforeDestruction,

  chtOnMouseWheel,

  chtOnMouseWheelHorz

);

Description

Notification handlers only receive a Sender argument, and must know themselves why they have been invoked.

Version 4.0 Generated 2025-05-03 Home