Compare two DOFObjectID's for equality, including Attribute extensions. 
- Note
 - If both parameters are NULL, they are considered equal. If only one is NULL, they are considered not equal. 
 
- Parameters
 - 
  
  
 
- Return values
 - 
  
    | Non-Zero | (TRUE) if the two IDs match exactly.  | 
    | Zero | (FALSE) if the two IDs do not match.  |