private void FacadeNavigatedEventHandler(object sender, NavigationEventArgs e)
 {
     foreach (var handler in _navigatedEventHandlers)
     {
         var eventArgs = new MvvmNavigatedEventArgs()
         {
             NavigationMode = e.NavigationMode,
             Parameter = e.Parameter
         };
         handler(this, eventArgs);
     }
 }
 private void frame_Navigated(object sender, MvvmNavigatedEventArgs e)
 {
     _suspensionManagerState.SessionState[LastNavigationParameterKey] = e.Parameter;
     NavigateToCurrentViewModel(e.NavigationMode, e.Parameter);
 }