namespace lab5_6_CalebFontenot { public partial class Form1 : Form { public Form1() { InitializeComponent(); } private void getCountriesButton_Click(object sender, EventArgs e) { try { // Declare a variable to hold a country name. string countryName; // Declare a StreamReader variable. StreamReader inputFile; // Open the file and get a StreamReader object. inputFile = File.OpenText("Countries.txt"); // Clear anything currently in the ListBox. countriesListBox.Items.Clear(); // Read the file's contents. while (!inputFile.EndOfStream) { // Get a country name. countryName = inputFile.ReadLine(); // Add the country name to the ListBox. countriesListBox.Items.Add(countryName); } // Close the file. inputFile.Close(); } catch (Exception ex) { //Display an error message. MessageBox.Show(ex.Message); } } private void exitButton_Click(object sender, EventArgs e) { this.Close(); } } }