iframe中嵌套.xbap文件，去掉上部导航栏

<Page
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    Title="HomePage"
    ShowsNavigationUI="False"
>

using System;
using System.Windows;
using System.Windows.Controls;

namespace CSharp
{
    public partial class HomePage : Page
    {
        public HomePage()
        {
            InitializeComponent();

            // Hide host‘s navigation UI
            this.ShowsNavigationUI = false;
        }
    }
}