private static void OnAdornmentAttached(DependencyObject d, DependencyPropertyChangedEventArgs args)
{
var element = d as FrameworkElement;
if (element == null)
{
return;
}
UIElement adornment = (UIElement)args.NewValue;
var adorner = GetHwndAdorner(element);
if (adornment != null)
{
if (adorner == null)
{
SetHwndAdorner(element, adorner = new HwndAdorner(element));
}
adorner.Adornment = adornment;
}
else
{
if (adorner != null)
{
adorner.Dispose();
SetHwndAdorner(element, null);
}
}
}
private static void SetHwndAdorner(DependencyObject element, HwndAdorner value)
{
element.SetValue(HwndAdornerProperty, value);
}
public HwndHostPresenter()
{
m_hwndAdorner = new HwndAdorner(this);
AddLogicalChild(m_hwndAdorner.Root);
}
