maxScrollExtent property

double get maxScrollExtent

Maximum scroll extent based on direction (scrollHeight/clientHeight or scrollWidth/clientWidth).

Implementation

double get maxScrollExtent {
  if (_attachedElement == null) return 0.0;

  if (direction == ScrollDirection.vertical) {
    return (_attachedElement!.scrollHeight - _attachedElement!.clientHeight)
        .toDouble();
  } else {
    return (_attachedElement!.scrollWidth - _attachedElement!.clientWidth)
        .toDouble();
  }
}