/// <summary>
 /// Adds a scene to the draw stack. The system will not call
 /// Draw on the scene but it will be initialized and given updates
 /// </summary>
 /// <param name="scene"></param>
 public void AddExternal(_3DAbstract scene)
 {
     External.Add(scene);
     if (this.Device != null)
     {
         scene.Initialize(this);
     }
 }
 public void Add(_3DAbstract scene)
 {
     Scenes.Add(scene);
     if (this.Device != null)
     {
         scene.Initialize(this);
     }
 }
 /// <summary>
 /// Adds a scene to the draw stack. The system will not call
 /// Draw on the scene but it will be initialized and given updates
 /// </summary>
 /// <param name="scene"></param>
 public void AddExternal(_3DAbstract scene)
 {
     External.Add(scene);
     if (this.Device != null)
     {
         scene.Initialize(this);
     }
 }
 public void Add(_3DAbstract scene)
 {
     Scenes.Add(scene);
     if (this.Device != null)
     {
         scene.Initialize(this);
     }
 }
        private List<TreeNode> ExploreScene(_3DAbstract container)
        {
            var result = new List<TreeNode>();

            foreach (var child in container.GetElements())
            {
                var node = new TreeNode(child.ToString());
                ItemMap.Add(node, child);
                result.Add(node);
            }

            return result;
        }