Catrobat.IDE.WindowsPhone.Controls.ListPickerControl.ListPickerPage.OnNavigatedTo C# (CSharp) Method

        protected override void OnNavigatedTo(NavigationEventArgs e)
        {
            this._navigationHelper.OnNavigatedTo(e);

            _skipNextSelectionChanged = true;
            ListBoxItems.ItemTemplate = ListPicker.PageItemTemplate;
            ListBoxItems.ItemsSource = null;
            _skipNextSelectionChanged = true;
            ListBoxItems.ItemsSource = ListPicker.NullItemCollection;
            ListBoxItems.SelectedItem = ListPicker.GetItemWithNullItem();

            base.OnNavigatedTo(e);
        }