windows phone8.1：页面导航详解

<Grid>
<Grid.RowDefinitions>
<RowDefinition Height="Auto"/>
<RowDefinition Height="80"/>
<RowDefinition Height="80"/>
<RowDefinition Height="80"/>
<RowDefinition Height="*"/>
</Grid.RowDefinitions>
<TextBlock Text="这是主页" Grid.Row="0" FontSize="40"></TextBlock>
<StackPanel Grid.Row="1" Orientation="Horizontal">
<TextBlock Text="网站:" FontSize="40" Margin="0,0,0,30" Width="88"/>
<TextBox x:Name="textName" Height="40" Margin="0,10,0,0" Width="260" />
</StackPanel>
<StackPanel Grid.Row="2" Orientation="Horizontal">
<TextBlock Text="网址:" FontSize="40" Margin="0,0,0,30" Width="88"/>
<TextBox x:Name="textAdress" Height="40" Margin="0,10,0,0" Width="260" />
</StackPanel>
<StackPanel Grid.Row="3" Orientation="Horizontal">
<TextBlock Text="内容:" FontSize="40" Margin="0,0,0,30" Width="88"/>
<TextBox x:Name="textContent" Height="40" Margin="0,10,0,0" Width="260" />
</StackPanel>
<Button Content="去第二页" Grid.Row="4" Margin="122,147.667,0,147" Click="Button_Click"/>

</Grid>

 1 <Grid>
 2 <Grid.RowDefinitions>
 3 <RowDefinition Height="Auto"/>
 4 <RowDefinition Height="80"/>
 5 <RowDefinition Height="*"/>
 6 </Grid.RowDefinitions>
 7 <TextBlock Text="这是第三页" Grid.Row="0" FontSize="40"></TextBlock>
 8 <TextBox Name="text" Grid.Row="1" Height="60" Margin="0,9.667,10,0"/>
 9 <Button Content="我要直接回主页" Grid.Row="2" Margin="122,147.667,0,147" Click="Button_Click"/>
10 </Grid>

 1 private void Button_Click(object sender, RoutedEventArgs e)
 2 
 3 {
 4 Website web=new Website()
 5 {
 6 Name=this.textName.Text,
 7 Address=this.textAdress.Text,
 8 Content=this.textContent.Text
 9 };
10 Frame.Navigate(typeof(BlankPage1),web); //对应知识点3，即传递多个参数时建立一个对象，传递对象即可。
11 }

 1 protected override void OnNavigatedTo(NavigationEventArgs e)//重写OnNavigatedTo接受从maingape页面传递来的参数。
 2 {
 3 var web = (Website)e.Parameter;
 4 this.textName.Text = web.Name;
 5 this.textAdress.Text = web.Address;
 6 this.textContent.Text = web.Content;
 7 HardwareButtons.BackPressed += HardwareButtons_BackPressed;//注册重写后退按钮事件
 8 }
 9 
10 private void HardwareButtons_BackPressed(object sender, BackPressedEventArgs e)//重写后退按钮，如果要对所有页面使用，可以放在App.Xaml.cs的APP初始化函数中重写。
11 {
12 e.Handled = true;
13 
14 if (Frame.CanGoBack)
15 Frame.GoBack();
16 }
17 
18 private void Button_Click(object sender, RoutedEventArgs e)//传递单个参数
19 
20 {
21 Frame.Navigate(typeof(BlankPage2), "我是从第二页传送过来的！！");
22 }

 1 protected override void OnNavigatedTo(NavigationEventArgs e)
 2 {
 3 text.Text = (string)e.Parameter;
 4 Frame.BackStack.RemoveAt(Frame.BackStackDepth - 1);//对应知识点5，清楚后退堆栈的最后一条历史，本例中即第二页，删除后即可从第三页直接到主页。
 5 }
 6 
 7 private void Button_Click(object sender, RoutedEventArgs e)
 8 {
 9 Frame.GoBack();
10 }