Advances this and retrieves the name and/or parameter that are now pointed at as a result of this advancement.
If false is returned, name and param are set to
null and the iterator becomes invalid.
| this |
an initialized ParamsIter |
| name |
a location to store the name, or null |
| param |
a location to store the Param, or null |
|
false if the end of the Params has been reached, true otherwise. |