ExLauncherInvisible

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Runtime.InteropServices;
using System.Diagnostics;
using System.Security;
using System.Threading;

namespace PuttyShadow
{
    class Program
    {
        static void Main(string[] args)
        {
            // Configure un nom unique au launcher puis le cache
            Console.Title = Guid.NewGuid().ToString();
            IntPtr hWnd = UnsafeNativeMethods.FindWindow(null, Console.Title);
            if (hWnd != IntPtr.Zero)
                UnsafeNativeMethods.ShowWindow(hWnd, 0);

            // Création du process a lancer
            Process p = new Process();
            p.StartInfo.FileName = "notepad";
            p.Start();

            // Histoire d'être sur que la window reste caché on met une boucle infinie qui la cache toute les 100ms
            while (true)
            {
                if (p.HasExited)
                    break;

                IntPtr bWnd = UnsafeNativeMethods.FindWindow("Notepad", null);
                if (bWnd != IntPtr.Zero)
                    UnsafeNativeMethods.ShowWindow(bWnd, 0);

                Thread.Sleep(100);
            }
        }
    }

    [SuppressUnmanagedCodeSecurity]
    internal static class UnsafeNativeMethods
    {
        [DllImport("user32.dll")]
        internal static extern bool ShowWindow(IntPtr hWnd, int nCmdShow);

        [DllImport("user32.dll", SetLastError = true)]
        internal static extern IntPtr FindWindow(string lpClassName, string lpWindowName);
    }
}