UserAccountPicture.exe C# version

UserAccountPicture.cs

using System;
using System.Runtime.InteropServices;

namespace useraccountpicture
{
  class Program
  {
    [DllImport("shell32.dll", EntryPoint = "#262", CharSet = CharSet.Unicode, PreserveSig = false)]
    public static extern void SetUserTile(string username, int notneeded, string picturefilename);

    [STAThread]
    static void Main(string[] args)
    {
      if (args.Length == 2)
      {
        SetUserTile(args[0], 0, args[1]);
      }
    }
  }
}