CairoDesktop.MenuBar.OpenCloseCairoBox C# (CSharp) Method

        private void OpenCloseCairoBox(object sender, RoutedEventArgs e)
        {
            bool? CloseCairoChoice = CairoMessage.ShowOkCancel("You will need to reboot or use the start menu shortcut in order to run Cairo again.", "Are you sure you want to exit Cairo?", "Resources/cairoIcon.png", "Exit Cairo", "Cancel");
            if (CloseCairoChoice.HasValue && CloseCairoChoice.Value)
            {
                //SHAppBarMessageHelper.DeRegisterBar(handle);
                System.Drawing.Size size = new System.Drawing.Size((int)this.ActualWidth, (int)this.ActualHeight);
                SHAppBarMessageHelper.RegisterBar(handle, size);
                SysTray.DestroySystemTray();
                Application.Current.Shutdown();
                // TODO: Will want to relaunch explorer.exe when we start disabling it
            }
            else
            {
            }
        }