Get the extra data associated with the DOFException, if any.
The type of the data available depends on the specific exception.
- Lifecycle
- The data returned is owned by the DOFException and is only valid as long as the DOFException remains valid. It must not be destroyed individually.
- Parameters
-
self | The DOFException. This must not be NULL, and should be a valid DOFErrorException. |
- Returns
- The error string associated with the Exception.
- Exceptions
-
NULL | is returned if an invalid parameter is detected. |