private void TextView_ScrollOffsetChanged(object sender, EventArgs e)
{
var textView = (TextView)sender;
if (DataContext == null)
return;
if (textView.DataContext != DataContext)
return;
ScrollOffsets.Remove(DataContext);
ScrollOffsets.Add(DataContext, textView.ScrollOffset);
}
private void OnDataContextChanged_Scroll(object sender, DependencyPropertyChangedEventArgs e)
{
if (e.NewValue == null)
return;
object scrollOffset;
if (ScrollOffsets.TryGetValue(e.NewValue, out scrollOffset))
{
Dispatcher.BeginInvoke(new Action(() =>
{
ScrollToHorizontalOffset(((Vector)scrollOffset).X);
ScrollToVerticalOffset(((Vector)scrollOffset).Y);
}));
}
}