private void ValidateNodeAsRootNode(INode node)
{
if (node == null)
throw new ArgumentNullException("node");
if(node.IsRootNode())
throw new CannotMoveNodeException("Cannot move root node");
}
public bool IsParentOf(INode node)
{
if (node == null)
return false;
if (node.IsRootNode())
return false;
if (Id.Equals(node.Id))
return false;
var parent = node.ParentNode;
do
{
if (parent.Id == Id)
return true;
} while ((parent = parent.ParentNode) != null);
return false;
}
