private void EditItems()
        {
            Mesh mesh = CurrentMesh;

            if (mesh != null)
            {
                mesh.SelectionMode = MeshSelectionMode.MeshSelectionModeVertices;
            }

            itemsController.Model = items;
            itemsController.SetTransform(null);
            Manipulated = itemsController;
        }
        private void EditMesh(MeshSelectionMode mode)
        {
            int index = itemsController.LastSelectedIndex;

            if (index > -1)
            {
                Item item = items.GetItem((uint)index);
                item.GetMesh().SelectionMode = mode;
                meshController.Model = item.GetMesh();
                meshController.SetTransform(item);
                Manipulated = meshController;
            }
        }