Prevent the exit button from closing console application

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

namespace Loumker
{
    public static class cc
    {
        [DllImport("kernel32.dll")]
        public static extern IntPtr GetConsoleWindow(); // gets console window

        [DllImport("user32.dll")]
        public static extern bool ShowWindow(IntPtr hWnd, int nCmdShow); // shows the console window note: can also hide it.

        [DllImport("kernel32.dll")]
        private static extern bool SetConsoleCtrlHandler(ConsoleCtrlDelegate handler, bool add); //sets the control handler for the console.

        private delegate bool ConsoleCtrlDelegate(CtrlType ctrlType);

        [DllImport("user32.dll")]
        private static extern IntPtr GetSystemMenu(IntPtr hWnd, bool bRevert); //gets the systemMenu of the console window.
        [DllImport("user32.dll")]
        private static extern int GetMenuItemCount(IntPtr hMenu); //get the count of menu items.
        [DllImport("user32.dll")]
        private static extern int RemoveMenu(IntPtr hMenu, uint uPosition, uint uFlags); //removes the system menu from the window.

        private const uint MF_BYPOSITION = 0x400; // constant button position.

        private enum CtrlType : uint
        {
            CTRL_CLOSE_EVENT = 0x0002
        }

        public static List<string> Processes = new List<string>();

        private static Random r = new Random();

        public static void Open()
        {
            IntPtr consoleHandle = GetConsoleWindow();

            DisableCloseButton(consoleHandle);

            SetConsoleCtrlHandler(new ConsoleCtrlDelegate(ConsoleCtrlHandler), true);

            ShowWindow(consoleHandle, 5);
        }

        public static void Close()
        {
            IntPtr conoleHandle = GetConsoleWindow();

            ShowWindow(conoleHandle, 0);
        }

        private static bool ConsoleCtrlHandler(CtrlType ctrlType)
        {
            return true;
        }

        private static void DisableCloseButton(IntPtr cwindow)
        {
            IntPtr sysMenu = GetSystemMenu(cwindow, false);
            int closeMenuIndex = GetMenuItemCount(sysMenu) - 1;
            RemoveMenu(sysMenu, (uint)closeMenuIndex, MF_BYPOSITION);
        }
    }
}