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

TPersistent.FPOAttachObserver

Add an observer to the list of observers.

Declaration

Source position: classesh.inc line 439

public procedure TPersistent.FPOAttachObserver(

  AObserver: TObject

);

Description

FPOAttachObserver is part of the implementation of the IFPObserved interface in TPersistent. It adds a new observer to the list of observers. Calling this multiple times will add the observed object multiple times to the list.

Errors

An EObserver exception may be raised if AObject does not implement the IFPObserver interface.

See also

IFPObserver

  

Interface for an object to observe other objects.

IFPObserved.FPOAttachObserver

  

Attach a new observer to the object

IFPObserved

  

Interface implemented by an object that can be observed.


Documentation generated on: Sep 28 2017