private void previousButton_Click(object sender, RoutedEventArgs e) { List <string> previousValues = new List <string>(); previousValues = doubleListStory.showPrevious(); if (counter < previousValues.Count()) { // Windows.UI.Popups.MessageDialog listValues = new Windows.UI.Popups.MessageDialog(count.ToString() + " " + storyList[counter]); txtGameNarative.Text = previousValues[counter]; counter++; // await listValues.ShowAsync(); TextBox textBox = new TextBox(); } }