C#コンソールプログラムを起動して直接バックグラウンドを隠す

[DllImport("User32.dll", EntryPoint = "FindWindow")]
        private static extern IntPtr FindWindow(string lpClassName, string lpWindowName);

        [DllImport("user32.dll", EntryPoint = "FindWindowEx")]   //       
        private static extern IntPtr FindWindowEx(IntPtr hwndParent, IntPtr hwndChildAfter, string lpszClass, string lpszWindow);

        [DllImport("User32.dll", EntryPoint = "SendMessage")]   //            
        private static extern int SendMessage(IntPtr hWnd, int Msg, IntPtr wParam, string lParam);

        [DllImport("User32.dll", EntryPoint = "ShowWindow")]   //
        private static extern bool ShowWindow(IntPtr hWnd, int type);



static void Main(string[] args)
        {
            Console.Title = "     ";
            IntPtr ParenthWnd = new IntPtr(0);
            IntPtr et = new IntPtr(0);
            ParenthWnd = FindWindow(null, "     ");
            ShowWindow(ParenthWnd, 0);//   dos  , 0:     ；1:    ；2:       ；3:   
            Console.ReadLine();
        }