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using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.IO;
using System.Reflection;

namespace OutlookEmailAddressExtract
{
  internal class Program
  {
    private static void FolderScanningHandler(object sender, MAPIFolderEventArgs e)
    {
      Program.WriteProgress(string.Format("Scanning {0} of {1}: {2}", e.CurrentItem, e.TotalItems, e.Folder.FolderPath));
    }

    private static void Main(string[] args)
    {
      List<string> addresses;
      OutlookEmailAddressExtractor extractor;
      Options options;

      Program.WriteHeader();

      extractor = new OutlookEmailAddressExtractor();
      extractor.FolderScanning += Program.FolderScanningHandler;
      options = Options.Recipient | Options.Sender | Options.SubFolders;

      // If you want to filter to only return emails from a given domain, uncomment the lines below and enter your domains
      /*
      extractor.IncludedDomains.Add("yourdomain1.com");
      extractor.IncludedDomains.Add("yourdomain2.co.uk");
      options |= Options.FilterByDomain;
       */
      extractor.Options = options;

      Program.WriteOptionsHeader(options);

      addresses = new List<string>(extractor.ExtractAddresses());

      File.WriteAllLines(Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "addresses.txt"), addresses.ToArray());

      Program.WriteProgress("Scan complete.");

      Console.WriteLine("\n{0} addresses found.", addresses.Count);
      Console.WriteLine("\nPress <Enter> to exit");
      Console.ReadKey();
    }

    private static void WriteHeader()
    {
      FileVersionInfo fileVersion;

      fileVersion = FileVersionInfo.GetVersionInfo(Assembly.GetEntryAssembly().Location);

      Console.WriteLine(fileVersion.ProductName);
      Console.WriteLine(string.Format("Version {0}", fileVersion.ProductVersion));
    }

    private static void WriteOptionsHeader(Options options)
    {
      Console.WriteLine();
      Console.WriteLine("Scanning for: {0}", options);
    }

    private static void WriteProgress(string message)
    {
      if (message.Length > Console.WindowWidth)
        message = string.Concat(message.Substring(0, Console.WindowWidth - 3), "...");

      Console.SetCursorPosition(0, 5);
      Console.WriteLine(new string(' ', Console.WindowWidth));
      Console.SetCursorPosition(0, 5);
      Console.WriteLine(message);
    }
  }
}