downContents The contents for the down button. Declarationvar downContents: TCControlContents? { get set } DiscussionMay be nil. See AlsoInspecting the descriptorcompositeLabeldownLabelhighlightDurationinputIsMutuallyExclusiveisDigitalisRadialleftContentsleftLabeloffsetrightContentsrightLabelsizeupContentsupLabelzIndex