问在装有C#的XBOX One上调整CoreWindow版Win2D CanvasSwapChain的大小(无XAML)

EN

using Windows.ApplicationModel.Core;          
class MyViewSource : IFrameworkViewSource
{
    public IFrameworkView CreateView()
    {
        return new MyCoreWindow();
    }
}

class MyCoreWindow : IFrameworkView
{
    private IGameSurface _surface;
    private Engine _gameEngine;

    public void Initialize(CoreApplicationView applicationView)
    {
        applicationView.Activated += applicationView_Activated;
        CoreApplication.Suspending += CoreApplication_Suspending;
        CoreApplication.Resuming += CoreApplication_Resuming;
    }

    private void CoreApplication_Resuming(object sender, object e)
    {
        _surface.Resume(sender, e);
    }

    private void CoreApplication_Suspending(object sender, SuspendingEventArgs e)
    {
        _surface.Suspend(sender, e);
    }

    private void applicationView_Activated(CoreApplicationView sender, IActivatedEventArgs args)
    {
        Windows.UI.Core.CoreWindow.GetForCurrentThread().Activate();
    }

    public void Load(string entryPoint)
    {
        _surface.Load(entryPoint);
    }

    public void Run()
    {
        while (_gameEngine.IsRunning)
        {
            Windows.UI.Core.CoreWindow.GetForCurrentThread().Dispatcher.ProcessEvents(CoreProcessEventsOption.ProcessAllIfPresent);
            _surface.Update();
            _surface.Draw();
        }
    }

    public void SetWindow(Windows.UI.Core.CoreWindow window)
    {
        _surface = new Surface(window);
        _surface.SetFrameRate(60);
        _surface.SetUpdateRate(100);

        _gameEngine = new Engine(_surface.CanvasDevice);

        _surface.AddComponent(_gameEngine);
    }

    public void Uninitialize()
    {
        _surface.Unload();
    }

    public static void Main(string[] args)
    {
        CoreApplication.Run(new MyViewSource());
    }
}