/// <summary>
/// Traverses from this node to each successive parent until a node with parent is reached.
/// </summary>
/// <param name="func"></param>
public void TraverseToTop(HierarchicalViewModelAction func)
{
HierarchicalViewModelBase p = this;
while (p != null)
{
func(p);
p = p.Parent;
}
}
/// <summary>
/// Visits this node, and all children recursively (i.e. It traverses the tree 'downwards' only, from parent to child).
/// </summary>
/// <param name="action"></param>
public void Traverse(HierarchicalViewModelAction action)
{
if (action == null)
{
return;
}
// Firstly visit me...
action(this);
// then each of my children
foreach (HierarchicalViewModelBase child in Children)
{
child.Traverse(action);
}
}