1:  <Page.Resources>

   2:          <Style x:Key="PinAppBarButtonStyle" TargetType="Button" BasedOn="{StaticResource AppBarButtonStyle}">

   3:              <Setter Property="AutomationProperties.AutomationId" Value="PinAppBarButton"/>

   4:              <Setter Property="AutomationProperties.Name" Value="Pin to Start"/>

   5:              <Setter Property="Content" Value=""/>

   6:          </Style>

   7:          <Style x:Key="UnpinAppBarButtonStyle" TargetType="Button" BasedOn="{StaticResource AppBarButtonStyle}">

   8:              <Setter Property="AutomationProperties.AutomationId" Value="UnpinAppBarButton"/>

   9:              <Setter Property="AutomationProperties.Name" Value="Unpin from Start"/>

  10:              <Setter Property="Content" Value=""/>

  11:          </Style>

  12:  </Page.Resources>

   1:  <Page.BottomAppBar>

   2:          <AppBar x:Name="SecondaryTileAppBar" Padding="10,0,10,0" >

   3:              <Grid>

   4:                  <Grid.ColumnDefinitions>

   5:                      <ColumnDefinition Width="30*"/>

   6:                  </Grid.ColumnDefinitions>

   7:                  <StackPanel x:Name="RightPanel" Orientation="Horizontal" Grid.Column="1" HorizontalAlignment="Right">

   8:                      <Button x:Name="PinButton" HorizontalAlignment="Left" Click="OnPinButtonClicked" />

   9:                  </StackPanel>

  10:              </Grid>

  11:          </AppBar>

  12:   </Page.BottomAppBar>

   1:  public const string appbarTileId = "SecondaryTile.AppBar";

   1:  private void ToggleAppBarButton(bool showPinButton)

   2:          {

   3:              PinButton.Style = (showPinButton) ? (this.Resources["PinAppBarButtonStyle"] as Style) : (this.Resources["UnpinAppBarButtonStyle"] as Style);

   4:          }

   1:  private async void OnPinButtonClicked(object sender, RoutedEventArgs e)

   2:          {

   3:              //当用户选择应用栏上的按钮时，会显示一个要求用户进行确认的弹出窗口。

   4:              //若要确保在显示弹出窗口时不取消应用栏，必须设置应用栏的 IsSticky 属性。

   5:              this.BottomAppBar.IsSticky = true;

   6:              if (SecondaryTile.Exists(appbarTileId))

   7:              {

   8:                  //取消相应的辅助磁贴

   9:                  SecondaryTile secondaryTile = new SecondaryTile(appbarTileId);

  10:                  bool isUnpinned = await secondaryTile.RequestDeleteForSelectionAsync(GetElementRect((FrameworkElement)sender), Windows.UI.Popups.Placement.Above);

  11:   

  12:                  ToggleAppBarButton(isUnpinned);

  13:              }

  14:              else

  15:              {

  16:                  //辅助磁贴的一些属性才能固定辅助磁贴.

  17:                  //•磁贴的唯一 ID

  18:                  //•短名称

  19:                  //•显示名称

  20:                  //•磁贴选项

  21:                  //•徽标图像

  22:                  //•激活辅助磁贴时将传递到父应用程序的参数字符串

  23:                  Uri logo = new Uri("ms-appx:///Assets/1.jpg");

  24:                  string tileActivationArguments = appbarTileId + " was pinned at " + DateTime.Now.ToLocalTime().ToString();

  25:   

  26:                  SecondaryTile secondaryTile = new SecondaryTile(appbarTileId,

  27:                                                                  "Secondary tile pinned via AppBar",

  28:                                                                  "SDK Sample Secondary Tile pinned from AppBar",

  29:                                                                  tileActivationArguments,

  30:                                                                  TileOptions.ShowNameOnLogo,

  31:                                                                  logo);

  32:                  //指定前景文本颜色和小徽标。

  33:                  secondaryTile.ForegroundText = ForegroundText.Dark;

  34:                  secondaryTile.SmallLogo = new Uri("ms-appx:///Assets/1.jpg");

  35:                  //调用异步方法将辅助磁贴固定。

  36:                  //实际上这种方法不是将磁贴直接固定到“开始”屏幕，而是会显示一个要求用户允许这样做的确认提示框。

  37:                  bool isPinned = await secondaryTile.RequestCreateForSelectionAsync(GetElementRect((FrameworkElement)sender), Windows.UI.Popups.Placement.Above);

  38:   

  39:                  ToggleAppBarButton(!isPinned);

  40:              }

  41:              this.BottomAppBar.IsSticky = false;

  42:          }

   1:  public Rect GetElementRect(FrameworkElement element)

   2:          {

   3:              GeneralTransform buttonTransform = element.TransformToVisual(null);

   4:              Point point = buttonTransform.TransformPoint(new Point());

   5:              return new Rect(point, new Size(element.ActualWidth, element.ActualHeight));

   6:          }