Allows you to define which composition parameters are visible in the user interface when the composition parameter view refreshes.
Original signature is '- (BOOL) compositionParameterView:(QCCompositionParameterView *)parameterView shouldDisplayParameterWithKey:(NSString *)portKey attributes:(NSDictionary *)portAttributes'
Available in Mac OS X v10.5 and later.

C# | Visual Basic | Visual C++ |
public event QCCompositionParameterView..::..CompositionParameterViewShouldDisplayParameterWithKeyAttributesEventHandler CompositionParameterViewShouldDisplayParameterWithKeyAttributes
Public Event CompositionParameterViewShouldDisplayParameterWithKeyAttributes As QCCompositionParameterView..::..CompositionParameterViewShouldDisplayParameterWithKeyAttributesEventHandler
public: event QCCompositionParameterView..::..CompositionParameterViewShouldDisplayParameterWithKeyAttributesEventHandler^ CompositionParameterViewShouldDisplayParameterWithKeyAttributes { void add (QCCompositionParameterView..::..CompositionParameterViewShouldDisplayParameterWithKeyAttributesEventHandler^ value); void remove (QCCompositionParameterView..::..CompositionParameterViewShouldDisplayParameterWithKeyAttributesEventHandler^ value); }

YES if port attributes should be displayed; NO otherwise.

- Available in Monobjc Bridge: 10.6 (For Mac OS X 10.6 and later), 10.5 (For Mac OS X 10.5 and later)