private void itemsListView_Loaded(object sender, RoutedEventArgs e) {
// Find the ScrollViewer inside the ListView
var scrollViewer = VisualTreeUtilities.GetVisualChild<ScrollViewer>(itemsListView);
if (scrollViewer != null) {
scrollViewer.Visibility = Visibility.Visible;
if (scrollViewer.ComputedVerticalScrollBarVisibility == Visibility.Visible) {
scrollViewer.ChangeView(null, _scrollViewerVerticalOffset, null);
}
else {
DependencyPropertyChangedHelper helper = new DependencyPropertyChangedHelper(scrollViewer, "ComputedVerticalScrollBarVisibility");
helper.PropertyChanged += ScrollBarVerticalVisibilityChanged;
}
}
}
private void itemsListView_Loaded(object sender, RoutedEventArgs e)
{
// Find the ScrollViewer inside the ListView
var scrollViewer = VisualTreeUtilities.GetVisualChild <ScrollViewer>(itemsListView);
if (scrollViewer != null)
{
scrollViewer.Visibility = Visibility.Visible;
if (scrollViewer.ComputedVerticalScrollBarVisibility == Visibility.Visible)
{
scrollViewer.ChangeView(null, _scrollViewerVerticalOffset, null);
}
else
{
DependencyPropertyChangedHelper helper = new DependencyPropertyChangedHelper(scrollViewer, "ComputedVerticalScrollBarVisibility");
helper.PropertyChanged += ScrollBarVerticalVisibilityChanged;
}
}
}
void Page_SizeChanged(object sender, SizeChangedEventArgs e)
{
var scrollViewer = VisualTreeUtilities.GetVisualChild <ScrollViewer>(itemsGridView);
if (scrollViewer != null)
{
if (scrollViewer.ComputedHorizontalScrollBarVisibility == Visibility.Visible && scrollViewer.ComputedVerticalScrollBarVisibility == Visibility.Visible)
{
ScrollViewerUtilities.ScrollToProportion(scrollViewer, _scrollViewerOffsetProportion);
}
else
{
DependencyPropertyChangedHelper horizontalHelper = new DependencyPropertyChangedHelper(scrollViewer, "ComputedHorizontalScrollBarVisibility");
horizontalHelper.PropertyChanged += ScrollBarVisibilityChanged;
DependencyPropertyChangedHelper verticalHelper = new DependencyPropertyChangedHelper(scrollViewer, "ComputedVerticalScrollBarVisibility");
verticalHelper.PropertyChanged += ScrollBarVisibilityChanged;
}
}
}
