| static private Create ( UIElement element, System.Windows.Controls.ControlTemplate template ) : System.Windows.Documents.Adorner | ||
| element | UIElement | |
| template | System.Windows.Controls.ControlTemplate | |
| return | System.Windows.Documents.Adorner | |
private static void OnIsShowingChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
var element = (UIElement)d;
if (Equals(e.NewValue, true))
{
var adorner = element.GetAdorner();
if (adorner == null)
{
adorner = TemplatedAdorner.Create(element, (ControlTemplate)element.GetValue(TemplateProperty));
element.SetAdorner(adorner);
}
AdornerService.Show(adorner);
}
else
{
var adorner = element.GetAdorner();
if (adorner != null)
{
AdornerService.Remove(adorner);
}
element.ClearValue(AdornerProperty);
}
}
private static void OnIsVisibleChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
if (Equals(e.NewValue, true) &&
d is UIElement element &&
d.GetValue(TemplateProperty) is ControlTemplate template)
{
if (d.GetValue(AdornerProperty) is null)
{
var adorner = TemplatedAdorner.Create(element, template);
d.SetCurrentValue(AdornerProperty, adorner);
AdornerService.Show(adorner);
}
else
{
Debug.Assert(condition: false, message: $"Element {d} already has an info adorner.");
}
}