onscreen property

String? get onscreen

Implementation

String? get onscreen => _onscreen?.get();
set onscreen (dynamic v)

Implementation

set onscreen(dynamic v)
{
  if (_onscreen != null)
  {
    _onscreen!.set(v);
  }
  else if (v != null)
  {
    _onscreen = StringObservable(Binding.toKey(id, 'onscreen'), v, scope: scope);

    // create the visibility tag
    visibleArea   = 0;
    visibleHeight = 0;
    visibleWidth  = 0;
  }
}