Get image of ListItem with UI Automation

Hi!

I have a list of WinListItem. Each item has a text and an image. The image represents a green check or a red cross. I need to access to this image to know if the UI is displayed in concordance with business logic.

I have tried to get it via ControlViewWalker because from what I understand from the documentation, it should be available then as a child of the item.

public void A()
  {
     var listItem = UIMapOptionsActivationWnd.UIFirstListItem.NativeElement as AutomationElement;
     WalkControlElements(listItem);
     // result?
  }

  private List<AutomationElement> result = new List<AutomationElement>();

  private void WalkControlElements(AutomationElement rootElement)
  {
     AutomationElement elementNode = TreeWalker.ControlViewWalker.GetFirstChild(rootElement);
     while (elementNode != null)
     {
        result.Add(elementNode);
        WalkControlElements(elementNode);
        elementNode = TreeWalker.ControlViewWalker.GetNextSibling(elementNode);
     }
  }

But I am stuck here. Result has no element. I have tried the code using the WinList as the rootElement and it works to get the ListItems.

I also tried with a RawViewWalker, without more success. I will take any other solutions too!

Thanks!