protected override void OnSelectionChanged()
{
// Add adorners for the visual this is representing.
var visual_ = Visual as Visual;
var offset = new Thickness();
if (visual_ == null)
{
var frec = Visual.Wrap <IFrameworkRenderElementContext>();
if (frec != null && CommonTreeHelper.IsVisible(frec))
{
FrameworkElement fe = frec.ElementHost.Parent;
visual_ = fe;
var rect =
((Transform)RenderTreeHelper.TransformToRoot(frec)).TransformBounds(new Rect(frec.RenderSize));
offset = new Thickness(rect.Left, rect.Top, fe.RenderSize.Width - rect.Right,
fe.RenderSize.Height - rect.Bottom);
}
}
var adorners = visual_ == null ? null : AdornerLayer.GetAdornerLayer(visual_);
var visualElement = visual_ as UIElement;
if (adorners != null && visualElement != null)
{
if (IsSelected && adorner == null)
{
var border = new Border();
border.BorderThickness = new Thickness(4);
border.Margin = offset;
var borderColor = new Color();
borderColor.ScA = .3f;
borderColor.ScR = 1;
border.BorderBrush = new SolidColorBrush(borderColor);
border.IsHitTestVisible = false;
adorner = new AdornerContainer(visualElement);
adorner.Child = border;
adorners.Add(adorner);
}
else if (adorner != null)
{
adorners.Remove(adorner);
adorner.Child = null;
adorner = null;
}
}
}
protected override void OnSelectionChanged()
{
// Add adorners for the visual this is representing.
AdornerLayer adorners = AdornerLayer.GetAdornerLayer(this.Visual);
UIElement visualElement = this.Visual as UIElement;
if (adorners != null && visualElement != null)
{
if (this.IsSelected && this.adorner == null)
{
Border border = new Border();
border.BorderThickness = new Thickness(4);
Color borderColor = new Color();
borderColor.ScA = .3f;
borderColor.ScR = 1;
border.BorderBrush = new SolidColorBrush(borderColor);
border.IsHitTestVisible = false;
this.adorner = new AdornerContainer(visualElement);
adorner.Child = border;
adorners.Add(adorner);
}
else if (this.adorner != null)
{
adorners.Remove(this.adorner);
this.adorner.Child = null;
this.adorner = null;
}
}
}