FileStream fs = new FileStream(@"simple.exe",FileMode.Open);
        BinaryReader br = new BinaryReader(fs);
        byte[] bin = br.ReadBytes(Convert.ToInt32(fs.Length));
        fs.Close();
        br.Close();
        Assembly a = Assembly.Load(bin);
        MethodInfo method = a.EntryPoint;
        if (method == null) return;
        object o = a.CreateInstance(method.Name);
        method.Invoke(o, null);