private static void ShowMouseOverAdorner_Element_PreviewMouseMove(object sender, MouseEventArgs e)
{
var Element = sender as FrameworkElement;
if (Element == null)
return;
var AdornerLayer = InitializeAdornerLayerCache(Element);
if (AdornerLayer == null)
return;
var Adorner = GetMouseOverAdorner(Element);
if (Adorner == null)
{
Adorner = new RectangleAdorner(Element)
{
IsHitTestVisible = false,
Brush = GetMouseOverAdornerBrush(Element),
Pen = GetMouseOverAdornerPen(Element)
};
SetMouseOverAdorner(Element, Adorner);
}
if (Adorner.Parent != AdornerLayer)
AdornerLayer.Add(Adorner);
}
private static void SetMouseOverAdorner(FrameworkElement element, RectangleAdorner value)
{
element.SetValue(MouseOverAdornerProperty, value);
}
