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

TImagePaintBackgroundEvent

Specifies an event handler signalled to draw the background for an image.

Declaration

Source position: extctrls.pp line 44

type TImagePaintBackgroundEvent = procedure(

  ASender: TObject;

  ACanvas: TCanvas;

  ARect: TRect

) of object;

Arguments

ASender

  

Object for the event notification.

ACanvas

  

Canvas for the image is drawn.

ARect

  

Rectangle with the dimensions for the image.

Description

TImagePaintBackgroundEvent is an object procedure which specifies an event handler signalled to draw the background for a TImage class instance. TImagePaintBackgroundEvent is the type used to implement the OnPaintBackground event handler in TCustomImage.

See also

TCustomImage.OnPaintBackground

  

Event handler signalled to draw the background for the image.


Version 3.2 Generated 2024-02-25 Home