public Task <double> Render(object value)
{
var build = ViewFor(value);
AsyncEventListener getSize = new AsyncEventListener();
build.SizeChanged += getSize.Listen;
Container.Children.Add(build);
return(getSize.Successfully); // or width if supporting horizontal and used like list/carousel
}
private View AddFutureHeight(List <Task <double> > futureHeight, object newItem)
{
var view = ViewFor(newItem);
var getSize = new AsyncEventListener();
view.SizeChanged += getSize.Listen;
futureHeight.Add(getSize.Successfully);
return(view);
}