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Add an observer to the list of observers.
Source position: classesh.inc line 440
public procedure TPersistent.FPOAttachObserver( |
AObserver: TObject |
); |
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.
An EObserver exception may be raised if AObject does not implement the IFPObserver interface.
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Interface for an object to observe other objects. |
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Attach a new observer to the object |
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Interface implemented by an object that can be observed. |