BaconographyWP8.View.LinkedPictureView.OnNavigatingFrom C# (CSharp) Метод

        protected override void OnNavigatingFrom(NavigatingCancelEventArgs e)
        {
            if (e.NavigationMode == NavigationMode.New && e.Uri.ToString() == "/BaconographyWP8Core;component/MainPage.xaml" && e.IsCancelable)
            {
                OnNavigatedTo(null);
                e.Cancel = true;
            }
            _viewModelContextService.PopViewModelContext(DataContext as ViewModelBase);
        }