Add a listener to a system for when a route to a Provider available to the system is added, removed, or changed.
A listener should only be added once.
- Parameters
-
self | The DOFSystem. This must not be NULL. |
listener | The listener. This should not be NULL. |
- Returns
- TRUE if the listener was added.
- Exceptions
-
FALSE | if the listener could not be added, illegal arguments were detected, or the listener has already been added. |