protected override void OnAttached()
{
base.OnAttached();
// Create adorner
var adornerLayer = AdornerLayer.GetAdornerLayer(AssociatedObject);
if (adornerLayer == null)
{
return;
}
_adornerControl = new ContentControl();
// Add to adorner
_templateAdorner = new TemplateAdorner(AssociatedObject, _adornerControl);
adornerLayer.Add(_templateAdorner);
_adornerControl.Content = AdornerDataTemplate.LoadContent();
//BindingOperations.SetBinding(_adornerControl,
// ContentControl.DataContextProperty,
// new Binding("DataContext")
// {
// Source = AssociatedObject,
// });
}
protected override void OnDetaching()
{
base.OnDetaching();
if (null != _templateAdorner)
{
AdornerLayer adornerLayer = AdornerLayer.GetAdornerLayer(AssociatedObject as UIElement);
adornerLayer.Remove(_templateAdorner);
BindingOperations.ClearBinding(_templateAdorner, ContentControl.MarginProperty);
_templateAdorner = null;
_adornerControl = null;
}
}
