public override Size Measure(IFigure parent, SizeConstraint constraint)
{
if (!parent.Children.Any())
{
return(_emptyPreferredSize + _padding.Size);
}
var ret = new Size(0, _padding.Top);
var clientAreaConstraint = constraint.Deflate(_padding.Size);
foreach (var child in parent.Children)
{
if (child.IsVisible)
{
child.Measure(clientAreaConstraint);
var prefSize = child.PreferredSize;
ret.Width = Math.Max(prefSize.Width, ret.Width);
ret.Height += prefSize.Height + _itemSpace;
}
}
ret.Width += _padding.Width;
ret.Height += _padding.Bottom - _itemSpace;
return(constraint.MeasureConstrainedSize(ret));
}
