private static void ShowAdorner(FrameworkElement frameworkElement, SimpleAdorner adorner) { var layer = AdornerLayer.GetAdornerLayer(frameworkElement); // layer could be null if control is no longer in the visual tree if (layer != null) { layer.Add(adorner); } }
private static void ShowAdorner(FrameworkElement frameworkElement, SimpleAdorner adorner) { var layer = AdornerLayer.GetAdornerLayer(frameworkElement); // layer could be null if control is no longer in the visual tree if (layer != null) layer.Add(adorner); }