private static void AttachRepeatButton(INameScope nameScope, string name)
{
var button = nameScope.FindOrThrow <RepeatButton>(name) ??
throw new NullReferenceException($"Cannot find Slider RepeatButton with name '{name}'.");
// button.AddHandler(InputElement.PointerPressedEvent, RepeatButton_PointerPressed, RoutingStrategies.Tunnel);
}