Create the native uint16 from the contents of the specified DOFValue. 
- Parameters
 - 
  
    | self | The DOFValue to be extracted. This must represent a single value of type uint16, and must not be NULL. | 
  
   
- Returns
 - The new uint16 from the contents of self.
 
- Exceptions
 - 
  
    | 0 | is returned if an invalid parameter was detected.  |