EPiServer tree recursive methods

episerver-recursive-methods.cs

protected static void FindDescendantsOfType<T>(PageData page, ICollection<T> descendants) where T : class
{
	var children = DataFactory.Instance.GetChildren(page.PageLink);
	foreach (var child in children)
	{
		if (child is T)
		{
			descendants.Add(child as T);
		}
		FindDescendantsOfType(child, descendants);
	}
}

protected static T FindParentOfType<T>(PageData currentPage) where T : class
{
	var parent = DataFactory.Instance.GetPage(currentPage.ParentLink);
	if (parent == null)
	{
		return null;
	}

	if (parent is T)
	{
		return parent as T;
	}

	return FindParentOfType<T>(parent);
}