public static void Propagate(IMaterialContainer parent, object elements)
{
if (!(elements is IList casted))
{
return;
}
foreach (var expander in casted.OfType <ExpanderButton>())
{
expander.SetParent(parent);
Propagate(expander, expander.Header as IMaterialItem);
expander.Close();
Propagate(expander, expander.Children);
}
casted.OfType <IMaterialItem>().ToList().ForEach(x => Propagate(parent, x));
}
private static void Propagate(IMaterialContainer parent, IMaterialItem item)
{
item?.SetParent(parent);
}
