// Handles IsOpen property changing
static void OnIsOpenChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
ContextMenu menu = (ContextMenu)d;
if ((bool)e.NewValue)
{
if (menu.popup == null)
{
// Creates new ribbon popup and prevents it`s closing
menu.isInInitializing = true;
menu.HookupParentPopup();
menu.isInInitializing = false;
}
Dispatcher.CurrentDispatcher.BeginInvoke(DispatcherPriority.ApplicationIdle, new ThreadStart(delegate { menu.popup.Activate(); }));
}
}
