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

TPersistent.FPONotifyObservers

Notify observers of changes.

Declaration

Source position: classesh.inc line 442

public procedure TPersistent.FPONotifyObservers(

  ASender: TObject;

  AOperation: TFPObservedOperation;

  Data: Pointer

);

Description

FPONotifyObservers can be called to notify observers of changes in the object. This method simply passes on the parameters that it receives to all attached IFPObserver interfaces.

TPersistent does not call FPONotifyObservers. It is implemented for the benefit of descendant classes.

See also

IFPObserved

  

Interface implemented by an object that can be observed.

IFPObserved.FPONotifyObservers

  

Notify all observers

IFPObserver

  

Interface for an object to observe other objects.


Documentation generated on: May 14 2021