MARKUS

        private void SignManagerEvent(object sender,RoutedEventArgs e)

        {

            SignManager signManager = new SignManager();

            CheckPop = new RadWindow

            {

                MinWidth = 1200,

                MinHeight = 500,

                //Header = "My Check List",

                Header = "",

                Content = signManager,

                Owner = this,

                //ResizeMode = System.Windows.ResizeMode.CanResizeWithGrip,

                ResizeMode = System.Windows.ResizeMode.CanResize,

                WindowStartupLocation = System.Windows.WindowStartupLocation.CenterScreen,

                IsTopmost = true,

            };

            StyleManager.SetTheme(CheckPop, new Office2013Theme());

            CheckPop.Closed += CheckPop_Closed;

            //CheckPop.ShowDialog();

            CheckPop.Show();

        }