Accessing the ScrollViewer of a ListBox from C#

by

you can try this little helper function

usage

var scrollViewer = GetDescendantByType(yourListBox, typeof(ScrollViewer)) as ScrollViewer;

helper function 

public static Visual GetDescendantByType(Visual element, Type type)
{
  if (element == null) {
    return null;
  }
  if (element.GetType() == type) {
    return element;
  }
  Visual foundElement = null;
  if (element is FrameworkElement) {
    (element as FrameworkElement).ApplyTemplate();
  }
  for (int i = 0; i < VisualTreeHelper.GetChildrenCount(element); i++) {
    Visual visual = VisualTreeHelper.GetChild(element, i) as Visual;
    foundElement = GetDescendantByType(visual, type);
    if (foundElement != null) {
      break;
    }
  }
  return foundElement;
}

Hope this helps

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