FairyGUI.GComponent.BuildNativeDisplayList C# (CSharp) Method

        void BuildNativeDisplayList()
        {
            if (displayObject == null || displayObject.isDisposed)
                return;

            int cnt = _children.Count;
            if (cnt == 0)
                return;

            switch (_childrenRenderOrder)
            {
                case ChildrenRenderOrder.Ascent:
                    {
                        for (int i = 0; i < cnt; i++)
                        {
                            GObject child = _children[i];
                            if (child.displayObject != null && child.finalVisible)
                                container.AddChild(child.displayObject);
                        }
                    }
                    break;
                case ChildrenRenderOrder.Descent:
                    {
                        for (int i = cnt - 1; i >= 0; i--)
                        {
                            GObject child = _children[i];
                            if (child.displayObject != null && child.finalVisible)
                                container.AddChild(child.displayObject);
                        }
                    }
                    break;

                case ChildrenRenderOrder.Arch:
                    {
                        for (int i = 0; i < _apexIndex; i++)
                        {
                            GObject child = _children[i];
                            if (child.displayObject != null && child.finalVisible)
                                container.AddChild(child.displayObject);
                        }
                        for (int i = cnt - 1; i >= _apexIndex; i--)
                        {
                            GObject child = _children[i];
                            if (child.displayObject != null && child.finalVisible)
                                container.AddChild(child.displayObject);
                        }
                    }
                    break;
            }
        }