增加CUIEngine::GetWindow(HWND hWnd)，CUIEngine::GetWindow(LPCTSTR lpszName)获取自绘窗口指针
增加CUIEngine::UnregisterControl(LPCTSTR lpszType)支持运行时释放控件创建接口
实现CWindowUI::SetNextTabControl
增加CWindowUI::TestUICrossThread()跨线程操作UI断言警告