文章详情

  • 游戏榜单
  • 软件榜单
关闭导航
热搜榜
热门下载
热门标签
php爱好者> php文档>c# 钩子学习笔记

c# 钩子学习笔记

时间:2011-04-10  来源:zzjjgg

  今天弄了一下c#的钩子,没弄好,但是钩子安装成功,可以捕获键盘事件。包括系统钩子和线程钩子,或者叫全局钩子和私有钩子。系统钩子需要一个单独的DLL,这个地方耽误了不少时间,网上有说可以不用单独DLL的。

  现在开始铁代码,代码参照了红黑联盟中的一篇文章。

public class SetHook
    {
        public class HookTypes
        {
            /// <summary>
            /// 钩子类型
            /// </summary>
            public enum HookType
            {
                WH_JOURNALRECORD = 0,//对寄送至消息队列的输入消息进行记录
                WH_GETMESSAGE = 3,//对寄送至消息队列的消息进行监视

                WH_JOURNALPLAYBACK = 1,//对此前由WH_JOURNALRECORD 挂钩处理过程纪录的消息进行寄送
                WH_CALLWNDPROC = 4,//在系统将消息发送至目标窗口处理过程之前,对该消息进行监视
                WH_CBT = 5,//接受对CBT应用程序有用的消息

                WH_MSGFILTER = -1,//监视由对话框、消息框、菜单条、或滚动条中的输入事件引发的消息
                WH_SYSMSGFILTER = 6,//监视由对话框,消息框,菜单条,滚动条中的输入事件引发的消息

                //8
                WH_DEBUG = 9,//对其他钩子处理过程进行调试
                WH_SHELL = 10,//接受对外壳应用程序有用的通知
                WH_FOREGROUNDIDLE = 11,//当应用程序的前台线程即将进入空闲状态时被调用,它有助于在空闲时间内执行低优先级的任务
                #region 鼠标和键盘事件
                /// <summary>
                /// 对击键消息进行监视
                /// </summary>
                WH_KEYBOARD = 2,
                /// <summary>
                /// 只能在windows NT中被安装,用来对底层的键盘输入事件进行监视
                /// </summary>
                WH_KEYBOARD_LL = 13,
                /// <summary>
                /// 对鼠标消息进行监视
                /// </summary>
                WH_MOUSE = 7,
                /// <summary>
                /// 只能在windows NT中被安装,用来对底层鼠标事件进行监视
                /// </summary>
                WH_MOUSE_LL = 14,
                #endregion
            }
        }
        public abstract class Hooks : HookTypes
        {
            public delegate int HookProc(int nCode, int wParam, IntPtr IParam);
            /// <summary>
            /// 安装钩子
            /// </summary>
            /// <param name="idHook">钩子类型,即它处理的消息类型</param>
            /// <param name="lpfn"> 钩子函数地址</param>
            /// <param name="hInstance">应用程序实例的句柄。标识包含lpfn所指的子程的DLL</param>
            /// <param name="threadId">安装钩子后想监控的线程的ID号, 如果为0,钩子子程与所有的线程关联,即为全局钩子</param>
            /// <returns>返回参数为钩子句柄,失败为NULL</returns>
            [DllImport("user32.dll", CallingConvention = CallingConvention.StdCall)]
            public static extern int SetWindowsHookEx(HookType hooktype, HookProc lpfn, IntPtr hInstance, int threadId);
            /// <summary>
            /// 卸载钩子
            /// </summary>
            /// <param name="idHook">要卸载的钩子句柄</param>
            /// <returns></returns>
            [DllImport("user32.dll", CallingConvention = CallingConvention.StdCall)]
            public static extern bool UnhookWindowsHookEx(int idHook);
            /// <summary>
            /// 继续下一个钩子
            /// </summary>
            /// <param name="idHook"></param>
            /// <param name="nCode"></param>
            /// <param name="wParam"></param>
            /// <param name="IParam"></param>
            /// <returns></returns>
            [DllImport("user32.dll", CallingConvention = CallingConvention.StdCall)]
            public static extern int CallNextHookEx(int idHook, int nCode, int wParam, IntPtr IParam);
            /// <summary>
            /// 获取当前线程编号
            /// </summary>
            /// <returns></returns>
            [DllImport("kernel32")]
            public static extern int GetCurrentThreadId();

            #region
            /// <summary>
            /// 委托对象   

/// </summary>
            public HookProc proc;
            public abstract int SetWindowsHookEx();

            #endregion
        }
        public class AddHook : Hooks
        {
            HookType hooktyp;
            HookProc hookproc;
            public AddHook(HookType _hooktype, HookProc _hookproc)
            {
                this.hooktyp = _hooktype;
                this.hookproc = _hookproc;
            }
            public int AddPrivateHook()
            {
                return SetWindowsHookEx();
            }
            /// <summary>
            /// 线程钩子
            /// </summary>
            /// <returns></returns>
            public override int SetWindowsHookEx()
            {
                //int theadId = System.Threading.Thread.CurrentThread.ManagedThreadId(); 应对GetCurrentThreadId()的过时
                int hookId = 0;
                object hookId_ = SetWindowsHookEx(this.hooktyp, this.hookproc, IntPtr.Zero, GetCurrentThreadId());
                if (hookId_ != null)
                {
                    hookId = (int)hookId_;
                }
                return hookId;
            }

    //系统钩子和这差不多,安装钩子的时候后两个参数不一样
        }
    }

   调用我新建了一个类,方便调用线程或者系统钩子,这里就不贴了

   望提出宝贵建议

相关阅读 更多 +
排行榜 更多 +
找茬脑洞的世界安卓版

找茬脑洞的世界安卓版

休闲益智 下载
滑板英雄跑酷2手游

滑板英雄跑酷2手游

休闲益智 下载
披萨对对看下载

披萨对对看下载

休闲益智 下载