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Error raised when an observer error occurs
Source position: classesh.inc line 183
| type EObserver = class(Exception) | 
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 | Error raised when an observer error occurs | |
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 | Base class of all exceptions. | |
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 | Base class of all classes. | 
EObserver is an error that is raised when an object is registered as an observer, and it 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 |