74 lines
2.3 KiB
C#
Executable File
74 lines
2.3 KiB
C#
Executable File
namespace lab6_3_CalebFontenot
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{
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public partial class Form1 : Form
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{
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public Form1()
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{
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InitializeComponent();
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}
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private void exitButton_Click(object sender, EventArgs e)
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{
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this.Close();
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}
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/*
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* The GetFileName method gets a filename from the user and assigns it to the variable passed as an argument.
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*/
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private void GetFileName(out string selectedfile)
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{
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if (openFile.ShowDialog() == DialogResult.OK)
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{
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selectedfile = openFile.FileName;
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} else
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{
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selectedfile = "";
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}
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}
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/*
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* The GetCountries method accepts a filename as an argument. It opens the specified file and displays its contents in the countriesListBox control.
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*/
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private void GetCountries(string filename)
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{
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try
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{
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// Declare a variable to hold a country name.
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string countryName;
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// Declare a StreamReader variable.
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StreamReader inputFile;
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// Open the file and get a StreamReader object.
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inputFile = File.OpenText(filename);
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// Clear anything currently in the ListBox.
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countriesListBox.Items.Clear();
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// Read the file's contents.
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while (!inputFile.EndOfStream)
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{
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// Get a country name.
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countryName = inputFile.ReadLine();
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// Add the country name to the ListBox.
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countriesListBox.Items.Add(countryName);
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}
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// Close the file.
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inputFile.Close();
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} catch (Exception ex)
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{
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// Display an error message.
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MessageBox.Show(ex.Message);
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}
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}
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private void getCountriesButton_Click(object sender, EventArgs e)
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{
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string filename; // To hold the filename
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//Get the filename from the user.
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GetFileName(out filename);
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// Get the countries from the file.
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GetCountries(filename);
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}
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}
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} |