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

TCustomImage.OnPictureChanged

Event handler signalled when Picture is changed.

Declaration

Source position: extctrls.pp line 568

public property TCustomImage.OnPictureChanged : TNotifyEvent
  read FOnPictureChanged
  write FOnPictureChanged;

Description

OnPictureChanged is a TNotifyEvent property which contains the event handler signalled then the Picture property is changed. OnPictureChanged is signalled from the PictureChanged method, and allows actions to be performed after updates to image properties and the Invalidate method has been called.

See also

TCustomImage.Picture

  

Contains the image displayed in the control.

TCustomImage.Transparent

  

Indicates if the image has a clear, non-opaque background.

TCustomImage.PictureChanged

  

Performs actions needed when the Picture property has been changed.

TCustomImage.Invalidate

  

Causes the control to be repainted.



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