Scrolling a LongListSelector by its Vertical Offset by getting its Viewport - can't add a dynamic value to SetViewportOrigin()
问题 So finally, I get the ViewportControl that I've been looking for the LongListSelector from so long but when I try to scroll to a specific offset using the below methods, I'm not able to scroll to the offset. I'm using a public static class GlobalVars (Global Variables) to pass data between pages. So when a user selects an item from the LongListSelector -> Navigates to ItemDetail Page by this: private void llsArtists_SelectionChanged(object sender, SelectionChangedEventArgs e) {