GetUName in C#

using System;
using System.Runtime.InteropServices;

namespace Default
{
    static class Program
    {
        // found using IDA 6.8 Pro

        // charmap loads a DLL named GetUName.dll
        // which has a selfnamed function and pulls
        // the name of a unicode character using an
        // int and loads the name into a string

        // in c++, it is used like
        // GetUName(int, LPWSTR *)

        [DllImport("GetUName.dll", CallingConvention = CallingConvention.StdCall)]
        public static extern int GetUName(int x, [MarshalAs(UnmanagedType.LPWStr)]string lpBuffer);

        // create string buffer to load name in (255 in case of large names, can be changed)
        public static string charactername = new string('*', 255);

        static void Main()
        {
            GetUName('A', charactername);
            // asteriks are still left in (* because names don't include
            // any), simply cut the length so they aren't included
            charactername = charactername.Substring(0, charactername.IndexOf('*') - 1);
            Console.Write(charactername);
        }
    }
}