private static void Show(Adorner adorner, bool retry)
{
var adornerLayer = GetAdornerLayer(adorner.AdornedElement);
if (adornerLayer != null)
{
adornerLayer.Remove(adorner);
adornerLayer.Add(adorner);
adorner.SetCurrentValue(AdornerLayerProperty, adornerLayer);
}
else if (retry)
{
// try again later, perhaps giving layout a chance to create the adorner layer
_ = adorner.Dispatcher.BeginInvoke(
DispatcherPriority.Loaded,
new DispatcherOperationCallback(ShowAdornerOperation),
new object[] { adorner });
}
}
private static void Show(Adorner adorner, bool retry)
{
var adornerLayer = GetAdornerLayer(adorner.AdornedElement);
if (adornerLayer != null)
{
adornerLayer.Remove(adorner);
adornerLayer.Add(adorner);
adorner.SetCurrentValue(AdornerLayerProperty, adornerLayer);
}
else if (retry)
{
// try again later, perhaps giving layout a chance to create the adorner layer
#pragma warning disable VSTHRD001 // Avoid legacy thread switching APIs
_ = adorner.Dispatcher.BeginInvoke(
#pragma warning restore VSTHRD001 // Avoid legacy thread switching APIs
DispatcherPriority.Loaded,
new DispatcherOperationCallback(ShowAdornerOperation),
new object[] { adorner });
}
}
private void UpdateVisibility()
{
_adorner.SetCurrentValue(UIElement.VisibilityProperty, _visible && _adornerLayerVisible ? Visibility.Visible : Visibility.Collapsed);
}
