Prepare console for use with windows forms application

PrepareConsole.cs

using System;
using System.IO;
using System.Runtime.InteropServices;
using System.Text;
using Microsoft.Win32.SafeHandles;

namespace ConsoleUI
{
  /// <summary>
  /// Configure console to use with WF
  /// </summary>
  internal class PrepareConsole
  {
    private const int STD_OUTPUT_HANDLE = -11;
    private const int MY_CODE_PAGE = 437;

    [DllImport("kernel32.dll" , EntryPoint = "GetStdHandle", SetLastError = true, CharSet = CharSet .Auto, CallingConvention = CallingConvention.StdCall)]
    private static extern IntPtr GetStdHandle(int nStdHandle);

    [DllImport("kernel32.dll" , EntryPoint = "AllocConsole", SetLastError = true, CharSet = CharSet .Auto, CallingConvention = CallingConvention.StdCall)]
    private static extern int AllocConsole();

    internal static void Configure()
    {
      AllocConsole();
      IntPtr stdHandle = GetStdHandle(STD_OUTPUT_HANDLE);
      SafeFileHandle safeFileHandle = new SafeFileHandle(stdHandle, true);
      FileStream fileStream = new FileStream(safeFileHandle, FileAccess.Write);
      Encoding encoding = Encoding .GetEncoding(MY_CODE_PAGE);
      StreamWriter standardOutput = new StreamWriter(fileStream, encoding);
      standardOutput.AutoFlush = true;
      Console.SetOut(standardOutput);
    }
  }
}