public static PropertyAccessTree Create(object obj, string property_name)
{
log.Trace("Building property access tree");
PropertyAccessTree tree = new PropertyAccessTree();
if (!TypeHelper.DoesTypeImplementINotifyPropertyChangedAndChanging(obj.GetType()))
throw new ArgumentException("Object must implement INotifyPropertyChanging and INotifyPropertyChanged");
var constant_node = new ConstantNode((INotifyPropertyChanged)obj, "this");
tree.Children.Add(constant_node);
var property_info = obj.GetType().GetProperty(property_name);
var property_node = new PropertyNode(property_info);
constant_node.Children.Add(property_node);
tree.DumpToLog();
return tree;
}