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Notify observers of changes.
Source position: classesh.inc line 442
public procedure TPersistent.FPONotifyObservers( |
ASender: TObject; |
AOperation: TFPObservedOperation; |
Data: Pointer |
); |
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.
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Interface implemented by an object that can be observed. |
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Notify all observers |
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Interface for an object to observe other objects. |