protected virtual void OnPopupOpenend(object sender, EventArgs e)
{
RibbonApplicationMenu menu = ItemsControl.ItemsControlFromItemContainer(this) as RibbonApplicationMenu;
if (menu != null)
{
Rect subMenuRect = menu.GetSubMenuRect(this);
popup.Placement = PlacementMode.Relative;
popup.VerticalOffset = subMenuRect.Top;
popup.HorizontalOffset = subMenuRect.Left;
popup.Width = subMenuRect.Width;
popup.Height = subMenuRect.Height;
}
}
static void OpenPropertyChanged(DependencyObject o, DependencyPropertyChangedEventArgs e)
{
RibbonApplicationMenu menu = (RibbonApplicationMenu)o;
bool newValue = (bool)e.NewValue;
if (menu.appButton != null)
{
menu.appButton.IsDropDownPressed = newValue;
}
if (newValue)
{
menu.OnMenuOpened();
}
else
{
menu.OnMenuClosed();
}
}