SliderControl

public class SliderControl : AudioControl

A HAL audio slider control object

Remark

This class correponds to objects with base class kAudioSliderControlClassID

  • Undocumented

    Declaration

    Swift

    public override var debugDescription: String { get }

  • Returns the control’s value

    Remark

    This corresponds to the property kAudioSliderControlPropertyValue

    Declaration

    Swift

    public func value() throws -> UInt32

  • Sets the control’s value

    Remark

    This corresponds to the property kAudioSliderControlPropertyValue

    Declaration

    Swift

    public func setValue(_ value: UInt32) throws

  • Returns the available control values

    Remark

    This corresponds to the property kAudioSliderControlPropertyRange

    Declaration

    Swift

    public func range() throws -> [UInt32]

  • Returns true if self has selector

    Declaration

    Swift

    public func hasSelector(_ selector: AudioObjectSelector<SliderControl>) -> Bool

    Parameters

    selector

    The selector of the desired property

  • Returns true if selector is settable

    Throws

    An error if self does not have the requested property

    Declaration

    Swift

    public func isSelectorSettable(_ selector: AudioObjectSelector<SliderControl>) throws -> Bool

    Parameters

    selector

    The selector of the desired property

  • Registers block to be performed when selector changes

    Throws

    An error if the property listener could not be registered

    Declaration

    Swift

    public func whenSelectorChanges(_ selector: AudioObjectSelector<SliderControl>, perform block: PropertyChangeNotificationBlock?) throws

    Parameters

    selector

    The selector of the desired property
    block

    A closure to invoke when the property changes or nil to remove the previous value