C# 屏蔽系统热键

直接上处理类。

using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.IO;
using System.Reflection;
using System.Runtime.InteropServices;
using System.Text;
using System.Windows.Forms;

namespace ShieldHotKeyLibrary
{
    /// <summary>
    /// 热键屏蔽处理类
    /// </summary>
    internal class HotKeyHandler
    {

        public static HotKeyHandler Instance { get; } = new HotKeyHandler();

        private HotKeyHandler()
        {

        }

        #region dll


        [DllImport("ntdll.dll")]
        public static extern int ZwSuspendProcess(IntPtr ProcessId);
        [DllImport("ntdll.dll")]
        public static extern int ZwResumeProcess(IntPtr ProcessId);


        [DllImport("user32.dll", CharSet = CharSet.Auto, CallingConvention = CallingConvention.StdCall)]
        public static extern int SetWindowsHookEx(int idHook, HookProc lpfn, IntPtr hInstance, int threadId);

        // 卸载钩子
        [DllImport("user32.dll", CharSet = CharSet.Auto, CallingConvention = CallingConvention.StdCall)]
        public static extern bool UnhookWindowsHookEx(int idHook);

        // 继续下一个钩子 
        [DllImport("user32.dll", CharSet = CharSet.Auto, CallingConvention = CallingConvention.StdCall)]
        public static extern int CallNextHookEx(int idHook, int nCode, Int32 wParam, IntPtr lParam);

        // 取得当前线程编号
        [DllImport("kernel32.dll")]
        private static extern int GetCurrentThreadId();