public new Task ScrollToAsync(Element element, ScrollToPosition position, bool animated)
{
if (!Enum.IsDefined(typeof(ScrollToPosition), position))
{
throw new ArgumentException("position is not a valid ScrollToPosition", "position");
}
if (element == null)
{
throw new ArgumentNullException("element");
}
if (!CheckElementBelongsToScrollViewer(element))
{
throw new ArgumentException("element does not belong to this ScrollView", "element");
}
var args = new ScrollToRequestedEventArgs(element, position, animated);
OnScrollToRequested(args);
return(_scrollCompletionSource.Task);
}