The QCCompositionParameterViewDelegate informal protocol allows your application to define which parameters should be visible in a QCCompositionParameterView object.


Responding to Composition Selections

- compositionParameterView:shouldDisplayParameterWithKey:attributes:

Allows you to define which composition parameters are visible in the user interface when the composition parameter view refreshes.

Responding when an Input Parameter Changes

- compositionParameterView:didChangeParameterWithKey:

Called after an input parameter in the composition parameter view has been edited.