private static void OnOverlayBrushChanged(DependencyObject d,
DependencyPropertyChangedEventArgs e)
{
ModalContentPresenter control = (ModalContentPresenter)d;
control.overlay.Background = (Brush)e.NewValue;
}
private static void OnModalContentChanged(DependencyObject d,
DependencyPropertyChangedEventArgs e)
{
ModalContentPresenter control = (ModalContentPresenter)d;
if (e.OldValue != null)
{
control.RemoveLogicalChild(e.OldValue);
}
control.modalContent.Content = e.NewValue;
control.AddLogicalChild(e.NewValue);
control.logicalChildren[1] = e.NewValue;
}
private static void OnIsModalChanged(DependencyObject d,
DependencyPropertyChangedEventArgs e)
{
ModalContentPresenter control = (ModalContentPresenter)d;
if ((bool)e.NewValue == true)
{
control.cachedKeyboardNavigationMode =
KeyboardNavigation.GetTabNavigation(control.primaryContent);
KeyboardNavigation.SetTabNavigation(
control.primaryContent, KeyboardNavigationMode.None);
control.overlay.Visibility = Visibility.Visible;
control.overlay.MoveFocus(traversalDirection);
control.RaiseModalContentShownEvents();
}
else
{
control.overlay.Visibility = Visibility.Hidden;
KeyboardNavigation.SetTabNavigation(
control.primaryContent, control.cachedKeyboardNavigationMode);
control.primaryContent.MoveFocus(traversalDirection);
control.RaiseModalContentHiddenEvents();
}
}