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