Internationalization C#

using System;
using System.Drawing;
using System.Windows.Forms;
using System.Runtime.InteropServices;
namespace Scintilla
{
    public class Utilities
    {
    public static int SignedHiWord(IntPtr hiWord)
        {
            return (short)(((int)(long)hiWord >> 0x10) & 0xffff);
        }
    }
}