private void DetailImageZoomScrollViewer_DoubleTapped(object sender, DoubleTappedRoutedEventArgs e)
{
Point p = e.GetPosition(DetailImageZoomScrollViewer);
TimeSpan period = TimeSpan.FromMilliseconds(10);
Windows.System.Threading.ThreadPoolTimer.CreateTimer(async(source) =>
{
await Dispatcher.RunAsync(Windows.UI.Core.CoreDispatcherPriority.Normal, () =>
{
if (DetailImageZoomScrollViewer.ZoomFactor <= 1)
{
var k = DetailImageZoomScrollViewer.ChangeView(p.X + DetailImageZoomScrollViewer.HorizontalOffset * 2, p.Y + DetailImageZoomScrollViewer.VerticalOffset * 2, 2);
}
else
{
DetailImageZoomScrollViewer.ChangeView(DetailImageZoomScrollViewer.HorizontalOffset / 2 - p.X, DetailImageZoomScrollViewer.VerticalOffset / 2 - p.Y, 1);
}
});
}
, period);
}
private void ZoomClose(object sender, RoutedEventArgs e)
{
DetailImageZoomGrid.Visibility = Visibility.Collapsed;
DetailImageZoom.Source = null;
DetailImageZoomScrollViewer.ChangeView(null, null, 1);
}