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Notify all the attached observers about a change
Source position: tiObject.pas line 517
 public procedure TtiObject.NotifyObservers; virtual; overload;  | 
const ATopic: string  | 
); virtual; overload;  | 
ASubject: TtiObject;  | 
AOperation: TNotifyOperation  | 
); virtual; overload;  | 
ASubject: TtiObject;  | 
AOperation: TNotifyOperation;  | 
const ATopic: string  | 
); virtual; overload;  | 
ASubject: TtiObject;  | 
AOperation: TNotifyOperation;  | 
AData: TtiObject;  | 
const ATopic: string  | 
); virtual; overload;  | 
Notify all the attached observers about a change.