UWP全屏模式:如何在鼠标移动时不显示任务栏/蓝色矩形

using System;
using System.Runtime.InteropServices;
using Windows.ApplicationModel.Core;
using Windows.UI.ViewManagement;
using Windows.UI.Xaml;
using Windows.UI.Xaml.Controls;

public sealed partial class MainPage : Page
{
    public MainPage()
    {
        this.InitializeComponent();
        SetFullScreenMode();
    }

    private void SetFullScreenMode()
    {
        var view = ApplicationView.GetForCurrentView();
        view.TryEnterFullScreenMode();

        var coreTitleBar = CoreApplication.GetCurrentView().TitleBar;
        coreTitleBar.ExtendViewIntoTitleBar = true;

        var titleBar = ApplicationView.GetForCurrentView().TitleBar;
        titleBar.ButtonBackgroundColor = Windows.UI.Colors.Transparent;
        titleBar.ButtonInactiveBackgroundColor = Windows.UI.Colors.Transparent;
    }
}

using System;
using System.Runtime.InteropServices;
using Windows.ApplicationModel.Core;
using Windows.UI.ViewManagement;
using Windows.UI.Xaml;
using Windows.UI.Xaml.Controls;
using Windows.UI.Xaml.Input;

public sealed partial class MainPage : Page
{
    private double lastMouseX;
    private double lastMouseY;

    public MainPage()
    {
        this.InitializeComponent();
        SetFullScreenMode();
    }

    private void SetFullScreenMode()
    {
        var view = ApplicationView.GetForCurrentView();
        view.TryEnterFullScreenMode();

        var coreTitleBar = CoreApplication.GetCurrentView().TitleBar;
        coreTitleBar.ExtendViewIntoTitleBar = true;

        var titleBar = ApplicationView.GetForCurrentView().TitleBar;
        titleBar.ButtonBackgroundColor = Windows.UI.Colors.Transparent;
        titleBar.ButtonInactiveBackgroundColor = Windows.UI.Colors.Transparent;
    }

    private void Grid_PointerMoved(object sender, PointerRoutedEventArgs e)
    {
        var currentMouseX = e.GetCurrentPoint(null).Position.X;
        var currentMouseY = e.GetCurrentPoint(null).Position.Y;

        if (Math.Abs(currentMouseX - lastMouseX) > 1 || Math.Abs(currentMouseY - lastMouseY) > 1)
        {
            var view = ApplicationView.GetForCurrentView();
            var bounds = ApplicationView.GetForCurrentView().VisibleBounds;
            view.SetPreferredMinSize(new Windows.Foundation.Size(bounds.Width, bounds.Height));
            view.TryResizeView(new Windows.Foundation.Size(bounds.Width, bounds.Height));
        }

        lastMouseX = currentMouseX;
        lastMouseY = currentMouseY;
    }
}