public void WorldspawnProperties()
        {
            var pd = new ObjectPropertiesDialog(_document)
            {
                FollowSelection = false, AllowClassChange = false
            };

            pd.SetObjects(new[] { _document.Map.WorldSpawn });
            pd.Show(Editor.Instance);
        }
        public void ObjectProperties()
        {
            var pd = new ObjectPropertiesDialog(_document);

            pd.Show(Editor.Instance);
        }