Скрыть графическую оболочку программы?

static int hWnd = 0;

private const int SW_HIDE = 0;
private const int SW_SHOW = 5;

[DllImport("User32")]
private static extern int ShowWindow(int hwnd, int nCmdShow);

static void Main()
{
   Process proc = Process.Start("notepad");
   Console.WriteLine("Press any key"); Console.ReadKey();

   foreach (Process pr in Process.GetProcesses())
   {
      if (pr.ProcessName == "notepad")
      {
         hWnd = pr.MainWindowHandle.ToInt32();
         ShowWindow(hWnd, SW_HIDE);
      }
   }
   Console.WriteLine("Press any key"); Console.ReadKey();

   if (hWnd != 0)
   {
     ShowWindow(hWnd, SW_SHOW);
     hWnd = 0;
   }
   Console.WriteLine("Press any key"); Console.ReadKey();
}