/// <summary>
/// Internal method to hide the adorner.
/// </summary>
private void HideAdornerInternal() {
// Not already adorned.
if (_adornerLayer == null || _adorner == null) return;
_adornerLayer.Remove(_adorner);
_adorner.DisconnectChild();
_adorner = null;
_adornerLayer = null;
}
/// <summary>
/// Internal method to show the adorner.
/// </summary>
private void ShowAdornerInternal() {
// Already adorned
if (_adorner != null) return;
if (AdornerContent != null) {
if (_adornerLayer == null) {
_adornerLayer = AvoidUsingScrollContentPresenter ? (GetAdornerLayer(this) ?? AdornerLayer.GetAdornerLayer(this)) :
AdornerLayer.GetAdornerLayer(this);
}
if (_adornerLayer != null) {
_adorner = new FrameworkElementAdorner(AdornerContent, this, HorizontalAdornerPlacement, VerticalAdornerPlacement,
AdornerOffsetX, AdornerOffsetY);
_adornerLayer.Add(_adorner);
UpdateAdornerDataContext();
}
UpdateOrder();
}
}