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| virtual | ~OverlayElementFactory () | 
|  | Destroy the overlay element factory. 
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| virtual OverlayElement * | createOverlayElement (const String &instanceName)=0 | 
|  | Creates a new OverlayElement instance with the name supplied. 
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| virtual void | destroyOverlayElement (OverlayElement *pElement) | 
|  | Destroys a OverlayElement which this factory created previously. 
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| virtual const String & | getTypeName (void) const =0 | 
|  | Gets the string uniquely identifying the type of element this factory creates. 
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| void | operator delete (void *ptr) | 
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| void | operator delete (void *ptr, const char *, int, const char *) | 
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| void | operator delete (void *ptr, void *) | 
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| void | operator delete[] (void *ptr) | 
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| void | operator delete[] (void *ptr, const char *, int, const char *) | 
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| void * | operator new (size_t sz) | 
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| void * | operator new (size_t sz, const char *file, int line, const char *func) | 
|  | operator new, with debug line info 
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| void * | operator new (size_t sz, void *ptr) | 
|  | placement operator new 
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| void * | operator new[] (size_t sz) | 
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| void * | operator new[] (size_t sz, const char *file, int line, const char *func) | 
|  | array operator new, with debug line info 
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Defines the interface which all components wishing to supply OverlayElement subclasses must implement. 
- Each OverlayElementFactory creates a single type of OverlayElement, identified by a 'type name' which must be unique.