protected override Vector2 MeasureOverride(Vector2 availableSize)
{
_vScrollBar.Measure(availableSize);
availableSize.X -= _vScrollBar.DesiredSize.X;
var constraint = new Vector2(availableSize.X, float.PositiveInfinity);
var childSize = Vector2.Zero;
foreach (var child in Children)
{
child.Measure(constraint);
if (child == _vScrollBar)
{
continue;
}
childSize = Vector2.ComponentMax(childSize, child.DesiredSize);
}
_totalHeight = childSize.Y * _count + ActualSeparation * (_count - 1);
return(new Vector2(childSize.X, 0f));
}