using System; using System.Windows.Forms; public class MainClass { public static void Main() { switch (MessageBox.Show("Do you want to create a new file?", "WonderWord", MessageBoxButtons.YesNoCancel, MessageBoxIcon.Question)) { case DialogResult.Yes: // "Yes" processing break; case DialogResult.No: // "No" processing break; case DialogResult.Cancel: // "Cancel" processing break; } } }