private static void OnFocusableChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
ContentElement ce = (ContentElement)d;
// Raise the public changed event.
ce.RaiseDependencyPropertyChanged(UIElement.FocusableChangedKey, e);
}
private static void OnIsEnabledChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
ContentElement ce = (ContentElement)d;
// Raise the public changed event.
ce.RaiseDependencyPropertyChanged(UIElement.IsEnabledChangedKey, e);
// Invalidate the children so that they will inherit the new value.
ce.InvalidateForceInheritPropertyOnChildren(e.Property);
// The input manager needs to re-hittest because something changed
// that is involved in the hit-testing we do, so a different result
// could be returned.
InputManager.SafeCurrentNotifyHitTestInvalidated();
}