固定辅助磁贴

   if (SecondaryTile.Exists(appbarTileId))
            {
                SecondaryTile secondaryTile = new SecondaryTile(appbarTileId);
                bool isUnpinned = await secondaryTile.RequestDeleteForSelectionAsync(GetElementRect((FrameworkElement)sender), Windows.UI.Popups.Placement.Above);
            }
            else
            {
                Uri logo = new Uri("ms-appx:///images/150.png");
                string tileActivationArguments = appbarTileId + " was pinned at " + DateTime.Now.ToLocalTime().ToString();

                SecondaryTile secondaryTile = new SecondaryTile(appbarTileId,
                                                                "how do you think?",
                                                                "what it is?",
                                                                tileActivationArguments,
                                                                TileOptions.ShowNameOnLogo,
                                                                logo);

                secondaryTile.ForegroundText = ForegroundText.Dark;
                secondaryTile.SmallLogo = new Uri("ms-appx:///images/150.png");
                bool isPinned = await secondaryTile.RequestCreateForSelectionAsync(GetElementRect((FrameworkElement)sender), Windows.UI.Popups.Placement.Above);
            }

  private Rect GetElementRect(FrameworkElement frameworkElement)
        {

            GeneralTransform buttonTransform = frameworkElement.TransformToVisual(null);
            Point point = buttonTransform.TransformPoint(new Point());
            return new Rect(point, new Size(frameworkElement.ActualWidth, frameworkElement.ActualHeight));
      
        }

参考链接：http://msdn.microsoft.com/zh-CN/library/windows/apps/xaml/Hh868249(v=win.10).aspx