public void CopyData(PropertyValueLinks pls)
 {
     foreach (KeyValuePair <string, PropertyValueLinker> kv in pls._properties)
     {
         _properties.Add(kv.Key, kv.Value);
     }
 }
 public PropertyDescriptorValueLink(PropertyValueLinks owner, string name, Attribute[] attrs)
     : base(name, attrs)
 {
     _owner = owner;
 }