readAttributeControlMode(completionHandler:)
Declaration
func readAttributeControlMode(completionHandler: @escaping @Sendable (NSNumber?, (any Error)?) -> Void)func readAttributeControlMode() async throws -> NSNumberfunc readAttributeControlMode(completionHandler: @escaping @Sendable (NSNumber?, (any Error)?) -> Void)func readAttributeControlMode() async throws -> NSNumber