D24_02_页面驻留（page Frame）

<Page x:Class="demo.Embedded"
      xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
      xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
      xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" 
      xmlns:d="http://schemas.microsoft.com/expression/blend/2008"      
      WindowTitle="Embedded"
      Name="embeddedPage">
    <StackPanel Margin="5">
        <TextBlock Margin="5" TextWrapping="Wrap">This page contains an embedded page in a frame.</TextBlock>
        <Frame Name="embeddedFrame" Margin="5" Source="Page1.xaml" BorderBrush="Blue" BorderThickness="1" ></Frame>
        <CheckBox Name="chkOwnsJournal" Margin="5" Click="chkOwnsJournal_Click">Embedded Frame Owns Journal</CheckBox>
    </StackPanel>
</Page>

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;

namespace demo
{
    /// <summary>
    /// Embedded.xaml 的交互逻辑
    /// </summary>
    public partial class Embedded : Page
    {
        public Embedded()
        {
            InitializeComponent();
        }

        private void chkOwnsJournal_Click(object sender, RoutedEventArgs e)
        {
            if (chkOwnsJournal.IsChecked == true)
            {
                embeddedFrame.JournalOwnership = JournalOwnership.OwnsJournal;
                embeddedPage.ShowsNavigationUI = false;
            }
            else
            {
                embeddedFrame.JournalOwnership = JournalOwnership.UsesParentJournal;
                embeddedPage.ShowsNavigationUI = true;
            }
        }
    }
}

<Page x:Class="NavigationApplication.Page1"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    WindowTitle="Page1" Title="Page1">
  <TextBlock Margin="3" TextWrapping="Wrap">
    This is a simple page.
    Click <Hyperlink NavigateUri="Page2.xaml">here</Hyperlink> to go to Page2.
  </TextBlock>

</Page>

<Page x:Class="NavigationApplication.Page2"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" Title="Page2">
  <StackPanel>
    <TextBlock Margin="3" TextWrapping="Wrap">
      This is a simple page.
      Click <Hyperlink NavigateUri="Page3.xaml">here</Hyperlink> to go to Page3.
    </TextBlock>  
  </StackPanel>
</Page>

<Page x:Class="NavigationApplication.Page3"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    Title="Page3" WindowTitle="Page3" 
    >
  <StackPanel Margin="3" Name="pnl">
    <TextBlock Margin="3" TextWrapping="Wrap">
      This is a Page3.xaml.     
    </TextBlock>
  </StackPanel>
</Page>

<Window x:Class="demo.WindowWithFrame"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        Title="WindowWithFrame" Height="300" Width="300">
    <Grid>
        <Grid.ColumnDefinitions>
            <ColumnDefinition></ColumnDefinition>
            <ColumnDefinition></ColumnDefinition>
        </Grid.ColumnDefinitions>
        <StackPanel>
            <TextBlock Margin="3" TextWrapping="Wrap">This is a ordinary window content.</TextBlock>
            <Button Margin="3" Padding="3">Close</Button>
        </StackPanel>
        <Frame Grid.Column="1" Source="Page1.xaml" BorderBrush="Blue" BorderThickness="1" NavigationUIVisibility="Visible"></Frame>
    </Grid>
</Window>