Instance Method インスタンスメソッド

compositionParameterView(_:didChangeParameterWithKey:)

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

Declaration 宣言 

func compositionParameterView(_ parameterView: QCCompositionParameterView!, 
    didChangeParameterWithKey portKey: String!)

Parameters パラメータ

parameterView

The composition parameter view in which the parameter changed.

portKey

A key for one of the composition parameters, which is provided to you by the Quartz Composer engine.