| Class | Description | 
|---|---|
| PropertyAddEvent | 
 A change event that denotes addition of a new Property This event has relevance primarily for  
ExtendedPropertySetP, PropertySetP, ExtendedPropertyP | 
| PropertyDeleteEvent | 
 A change event that denotes deletion of an Existing Property This event has relevance primarily for  
ExtendedPropertySetP, PropertySetP, ExtendedPropertyP |