public void OnLoad(ServiceManager serviceManager)
{
var windowManager = serviceManager.GetGlobalService<IWindowManager>();
var editorWindowTask = windowManager.GetCreateWindow("Editor");
editorWindowTask.Wait();
var editorWindow = editorWindowTask.Result;
var gui = new GuiRenderable();
editorWindow.AddRenderable(gui);
var paneManager = new PaneManager(gui.Canvas);
serviceManager.GetCreateImplementation<IPaneManager>(paneManager);
paneManager.AddPane(new Pane { Title = "Pane1" });
paneManager.AddPane(new Pane { Title = "Pane2" });
var application = serviceManager.Application;
var nativeWindowManager = application.Engine.WindowManager;
fileMenu = nativeWindowManager.CreateMenu();
openItem = fileMenu.AppendItem("Open", MenuItemKind.Normal);
openItem.Selected +=
() => nativeWindowManager.OpenFileDialog("*", FileDialogFlags.Open);
fileMenu.AppendItem("Close", MenuItemKind.Normal);
fileMenu.AppendItem("New", MenuItemKind.Normal);
var menuBar = nativeWindowManager.CreateMenuBar();
menuBar.Append(fileMenu, "File");
var nativeWindow = application.WindowManager.GetWindow("Editor");
nativeWindow.nativeWindow.MenuBar = menuBar;
nativeWindow.nativeWindow.Show(true);
}