VSTO Office二次开发键盘鼠标钩子使用整理

VSTO Office二次开发键盘鼠标钩子使用整理可能通过程序控制键盘的操作和控制鼠标的一些操作,网上提供比较多的也是比较好的就是通过钩子(Hook)的方式实现。简单整理了一下,没有找到很好的程序示例,做了个简单的Hook测试。(对于Hook的原理和调用细则,这里不涉及了,只是简单的Hook小测试,感兴趣的查一下吧)1.Win32API函数:(简单封装对于API函数的调用)ViewCodeusingSystem;using…

可能通过程序控制键盘的操作和控制鼠标的一些操作,网上提供比较多的也是比较好的就是通过钩子(Hook)的方式实现。
简单整理了一下,没有找到很好的程序示例,做了个简单的Hook测试。(对于Hook的原理和调用细则,这里不涉及了,只是简单的Hook小测试,感兴趣的查一下吧)
1.Win32API函数:(简单封装对于API函数的调用)

VSTO Office二次开发键盘鼠标钩子使用整理
VSTO Office二次开发键盘鼠标钩子使用整理
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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Runtime.InteropServices;

namespace TestHook.MyHook
{
    class Win32API
    {
        #region DLL导入
        /// <summary>
        /// 用于设置窗口
        /// </summary>
        /// <param name="hWnd"></param>
        /// <param name="hWndInsertAfter"></param>
        /// <param name="X"></param>
        /// <param name="Y"></param>
        /// <param name="cx"></param>
        /// <param name="cy"></param>
        /// <param name="uFlags"></param>
        /// <returns></returns>
        [DllImport("user32.dll", CallingConvention = CallingConvention.StdCall)]
        public static extern bool SetWindowPos(IntPtr hWnd, int hWndInsertAfter,int X, int Y, int cx, int cy, int uFlags);

        /// <summary>
        /// 安装钩子
        /// </summary>
        /// <param name="idHook">钩子类型,鼠标\键盘\巨集等10几种</param>
        /// <param name="lpfn">挂钩的函数,用来处理拦截消息的函数,全局函数</param>
        /// <param name="hInstance">当前进程的句柄,
        /// 为NULL:当前进程创建的一个线程,子程位于当前进程;
        /// 为0(IntPtr.Zero):钩子子程与所有的线程关联,即为全局钩子</param>
        /// <param name="threadId">设置要挂接的线程ID.为NULL则为全局钩子</param>
        /// <returns></returns>
        [DllImport("user32.dll", CallingConvention = CallingConvention.StdCall)]
        public static extern IntPtr SetWindowsHookEx(IntPtr idHook, HookProc lpfn,IntPtr pInstance, uint threadId);

        /// <summary>
        /// 卸载钩子
        /// </summary>
        /// <param name="idHook"></param>
        /// <returns></returns>
        [DllImport("user32.dll", CallingConvention = CallingConvention.StdCall)]
        public static extern bool UnhookWindowsHookEx(IntPtr pHookHandle);

        /// <summary>
        /// 传递钩子
        /// 用于把拦截的消息继续传递下去,不然其他程序可能会得不到相应的消息
        /// </summary>
        /// <param name="idHook"></param>
        /// <param name="nCode"></param>
        /// <param name="wParam"></param>
        /// <param name="lParam"></param>
        /// <returns></returns>
        [DllImport("user32.dll", CallingConvention = CallingConvention.StdCall)]
        public static extern int CallNextHookEx(IntPtr pHookHandle, int nCode,IntPtr wParam, IntPtr lParam);

        /// <summary>
        /// 转换当前按键信息
        /// </summary>
        /// <param name="uVirtKey"></param>
        /// <param name="uScanCode"></param>
        /// <param name="lpbKeyState"></param>
        /// <param name="lpwTransKey"></param>
        /// <param name="fuState"></param>
        /// <returns></returns>
        [DllImport("user32.dll")]
        public static extern int ToAscii(UInt32 uVirtKey, UInt32 uScanCode,byte[] lpbKeyState, byte[] lpwTransKey, UInt32 fuState);

        /// <summary>
        /// 获取按键状态
        /// </summary>
        /// <param name="pbKeyState"></param>
        /// <returns>非0表示成功</returns>
        [DllImport("user32.dll")]
        public static extern int GetKeyboardState(byte[] pbKeyState);

        [DllImport("user32.dll")]
        public static extern short GetKeyStates(int vKey);

        /// <summary>
        /// 获取当前线程Id
        /// </summary>
        /// <returns></returns>
        [DllImport("kernel32.dll")]
        public static extern uint GetCurrentThreadId();

        /// <summary>
        /// 截屏位置
        /// </summary>
        /// <param name="hdcDest">目标设备的句柄 </param>
        /// <param name="nXDest">目标对象的左上角的X坐标</param>
        /// <param name="nYDest">目标对象的左上角的Y坐标</param>
        /// <param name="nWidth">目标对象的矩形的宽度</param>
        /// <param name="nHeight">目标对象的矩形的高度 </param>
        /// <param name="hdcSrc">源设备的句柄 </param>
        /// <param name="nXSrc">源对象的左上角的X坐标 </param>
        /// <param name="nYSrc">源对象的左上角的Y坐标 </param>
        /// <param name="dwRop">光栅的操作值 </param>
        /// <returns></returns>
        [DllImportAttribute("gdi32.dll")]
        private static extern bool BitBlt(IntPtr hdcDest, int nXDest,int nYDest,int nWidth,int nHeight,
            IntPtr hdcSrc,int nXSrc,int nYSrc,System.Int32 dwRop);

        /// <summary>
        /// 
        /// </summary>
        /// <param name="lpszDriver">驱动名称</param>
        /// <param name="lpszDevice">设备名称</param>
        /// <param name="lpszOutput">无用,可以设定为"NULL"</param>
        /// <param name="lpInitData">任意的打印机数据</param>
        /// <returns></returns>
        [DllImportAttribute("gdi32.dll")]
        private static extern IntPtr CreateDC(string lpszDriver,string lpszDevice,string lpszOutput,IntPtr lpInitData);
        #endregion DLL导入

        /// <summary>
        /// 钩子委托声明
        /// </summary>
        /// <param name="nCode"></param>
        /// <param name="wParam"></param>
        /// <param name="lParam"></param>
        /// <returns></returns>
        public delegate int HookProc(int nCode, IntPtr wParam, IntPtr lParam);
    }
}

2.HookHelper.cs:(对于一些标识的定义,特别注意鼠标和键盘的标识参数)

VSTO Office二次开发键盘鼠标钩子使用整理
VSTO Office二次开发键盘鼠标钩子使用整理
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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Runtime.InteropServices;

namespace TestHook.MyHook
{
    public class HookHelper
    {
        #region 枚举定义
        /// <summary>
        /// 操作类型
        /// </summary>
        public enum HookType
        {
            KeyOperation,//键盘操作
            MouseOperation//鼠标操作
        }

        /// <summary>
        /// 底层钩子标识
        /// </summary>
        public enum WH_Codes : int
        {
            //底层键盘钩子
            WH_KEYBOARD_LL = 2,//2:监听键盘消息并且是线程钩子;13:全局鼠标钩子监听

            //底层鼠标钩子
            WH_MOUSE_LL = 7, //7:监听鼠标钩子;14:全局键盘钩子监听鼠标信息

            //nCode为0
            HC_ACTION = 0
        }

        /// <summary>
        /// 鼠标按钮标识
        /// </summary>
        public enum WM_MOUSE : int
        {
            /// <summary>
            /// 鼠标开始
            /// </summary>
            WM_MOUSEFIRST = 0x200,

            /// <summary>
            /// 鼠标移动
            /// </summary>
            WM_MOUSEMOVE = 0x200,

            /// <summary>
            /// 左键按下
            /// </summary>
            WM_LBUTTONDOWN = 0x201,

            /// <summary>
            /// 左键释放
            /// </summary>
            WM_LBUTTONUP = 0x202,

            /// <summary>
            /// 左键双击
            /// </summary>
            WM_LBUTTONDBLCLK = 0x203,

            /// <summary>
            /// 右键按下
            /// </summary>
            WM_RBUTTONDOWN = 0x204,

            /// <summary>
            /// 右键释放
            /// </summary>
            WM_RBUTTONUP = 0x205,

            /// <summary>
            /// 右键双击
            /// </summary>
            WM_RBUTTONDBLCLK = 0x206,

            /// <summary>
            /// 中键按下
            /// </summary>
            WM_MBUTTONDOWN = 0x207,

            /// <summary>
            /// 中键释放
            /// </summary>
            WM_MBUTTONUP = 0x208,

            /// <summary>
            /// 中键双击
            /// </summary>
            WM_MBUTTONDBLCLK = 0x209,

            /// <summary>
            /// 滚轮滚动
            /// </summary>
            /// <remarks>WINNT4.0以上才支持此消息</remarks>
            WM_MOUSEWHEEL = 0x020A
        }

        /// <summary>
        /// 键盘按键标识
        /// </summary>
        public enum WM_KEYBOARD : int
        {
            /// <summary>
            /// 非系统按键按下
            /// </summary>
            WM_KEYDOWN = 0x100,

            /// <summary>
            /// 非系统按键释放
            /// </summary>
            WM_KEYUP = 0x101,

            /// <summary>
            /// 系统按键按下
            /// </summary>
            WM_SYSKEYDOWN = 0x104,

            /// <summary>
            /// 系统按键释放
            /// </summary>
            WM_SYSKEYUP = 0x105
        }

        /// <summary>
        /// SetWindowPos标志位枚举
        /// </summary>
        /// <remarks>详细说明,请参见MSDN中关于SetWindowPos函数的描述</remarks>
        public enum SetWindowPosFlags : int
        {
            /// <summary>
            /// 
            /// </summary>
            SWP_NOSIZE = 0x0001,

            /// <summary>
            /// 
            /// </summary>
            SWP_NOMOVE = 0x0002,

            /// <summary>
            /// 
            /// </summary>
            SWP_NOZORDER = 0x0004,

            /// <summary>
            /// 
            /// </summary>
            SWP_NOREDRAW = 0x0008,

            /// <summary>
            /// 
            /// </summary>
            SWP_NOACTIVATE = 0x0010,

            /// <summary>
            /// 
            /// </summary>
            SWP_FRAMECHANGED = 0x0020,

            /// <summary>
            /// 
            /// </summary>
            SWP_SHOWWINDOW = 0x0040,

            /// <summary>
            /// 
            /// </summary>
            SWP_HIDEWINDOW = 0x0080,

            /// <summary>
            /// 
            /// </summary>
            SWP_NOCOPYBITS = 0x0100,

            /// <summary>
            /// 
            /// </summary>
            SWP_NOOWNERZORDER = 0x0200,

            /// <summary>
            /// 
            /// </summary>
            SWP_NOSENDCHANGING = 0x0400,

            /// <summary>
            /// 
            /// </summary>
            SWP_DRAWFRAME = 0x0020,

            /// <summary>
            /// 
            /// </summary>
            SWP_NOREPOSITION = 0x0200,

            /// <summary>
            /// 
            /// </summary>
            SWP_DEFERERASE = 0x2000,

            /// <summary>
            /// 
            /// </summary>
            SWP_ASYNCWINDOWPOS = 0x4000

        }

        #endregion 枚举定义

        #region 结构定义

        [StructLayout(LayoutKind.Sequential)]
        public struct POINT
        {
            public int X;
            public int Y;
        }

        /// <summary>
        /// 鼠标钩子事件结构定义
        /// </summary>
        /// <remarks>详细说明请参考MSDN中关于 MSLLHOOKSTRUCT 的说明</remarks>
        [StructLayout(LayoutKind.Sequential)]
        public struct MouseHookStruct
        {
            /// <summary>
            /// Specifies a POINT structure that contains the x- and y-coordinates of the cursor, in screen coordinates.
            /// </summary>
            public POINT Point;

            public UInt32 MouseData;
            public UInt32 Flags;
            public UInt32 Time;
            public UInt32 ExtraInfo;
        }

        /// <summary>
        /// 键盘钩子事件结构定义
        /// </summary>
        /// <remarks>详细说明请参考MSDN中关于 KBDLLHOOKSTRUCT 的说明</remarks>
        [StructLayout(LayoutKind.Sequential)]
        public struct KeyboardHookStruct
        {
            /// <summary>
            /// Specifies a virtual-key code. The code must be a value in the range 1 to 254. 
            /// </summary>
            public UInt32 VKCode;

            /// <summary>
            /// Specifies a hardware scan code for the key.
            /// </summary>
            public UInt32 ScanCode;

            /// <summary>
            /// Specifies the extended-key flag, event-injected flag, context code, 
            /// and transition-state flag. This member is specified as follows. 
            /// An application can use the following values to test the keystroke flags. 
            /// </summary>
            public UInt32 Flags;

            /// <summary>
            /// Specifies the time stamp for this message. 
            /// </summary>
            public UInt32 Time;

            /// <summary>
            /// Specifies extra information associated with the message. 
            /// </summary>
            public UInt32 ExtraInfo;
        }

        #endregion 结构定义
    }
}

3.Hook.cs:(简单对于键盘、鼠标的操作进行监控)

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using System.Runtime.InteropServices;

namespace TestHook.MyHook
{
    public class Hook
    {
        #region 定义变量
        //定义鼠标钩子处理函数
        private Win32API.HookProc MouseHookProcedure = null;
        //定义键盘钩子处理函数
        private Win32API.HookProc KeyboardProcDelegate = null;

        //定义键盘钩子句柄
        private IntPtr khook;
        //定义鼠标钩子句柄
        private IntPtr hHook = IntPtr.Zero;

        //定义鼠标事件
        public event MouseEventHandler OnMouseActivity;
        #endregion

        /// <summary>
        /// 安装钩子
        /// </summary>
        public void InstallHook(HookHelper.HookType hookType)
        {
            if (hookType == HookHelper.HookType.KeyOperation)
            {
                if (khook == IntPtr.Zero)//键盘钩子
                {
                    uint id = Win32API.GetCurrentThreadId();
                    this.KeyboardProcDelegate = new Win32API.HookProc(this.KeyboardProc);
                    khook = Win32API.SetWindowsHookEx((IntPtr)HookHelper.WH_Codes.WH_KEYBOARD_LL, this.KeyboardProcDelegate, IntPtr.Zero, id);
                }
            }
            else
            {
                if (hHook == IntPtr.Zero)//鼠标钩子
                {
                    uint id = Win32API.GetCurrentThreadId();
                    this.MouseHookProcedure = new Win32API.HookProc(this.MouseHookProc);
                    //这里挂节钩子
                    hHook = Win32API.SetWindowsHookEx((IntPtr)HookHelper.WH_Codes.WH_MOUSE_LL, MouseHookProcedure, IntPtr.Zero, id);
                }
            }
        }

        /// <summary>
        /// 卸载鼠标钩子
        /// </summary>
        public void UnInstallHook(HookHelper.HookType hookType)
        {
            bool isSuccess = false;
            if (hookType == HookHelper.HookType.KeyOperation)//键盘钩子
            {
                if (khook != IntPtr.Zero)
                {
                    isSuccess = Win32API.UnhookWindowsHookEx(khook);
                    this.khook = IntPtr.Zero;
                }
            }
            else
            {
                if (this.hHook != IntPtr.Zero)//鼠标钩子
                {
                    isSuccess = Win32API.UnhookWindowsHookEx(hHook);
                    this.hHook = IntPtr.Zero;
                }
            }
            if (isSuccess)
            {
                MessageBox.Show("卸载成功!");
            }
            else
            {
                MessageBox.Show("卸载失败!");
            }
        }

        /// <summary>
        /// 鼠标钩子处理函数
        /// </summary>
        /// <param name="nCode"></param>
        /// <param name="wParam"></param>
        /// <param name="lParam"></param>
        /// <returns></returns>
        private int MouseHookProc(int nCode, IntPtr wParam, IntPtr lParam)
        {
            if (nCode < (int)HookHelper.WH_Codes.HC_ACTION)
            {
                return Win32API.CallNextHookEx(hHook, nCode, wParam, lParam);
            }

            if (OnMouseActivity != null)
            {
                //Marshall the data from callback.
                HookHelper.MouseHookStruct mouseHookStruct = (HookHelper.MouseHookStruct)Marshal.PtrToStructure(lParam, typeof(HookHelper.MouseHookStruct));
                MouseButtons button = MouseButtons.None;
                short mouseDelta = 0;
                switch ((int)wParam)
                {
                    case (int)HookHelper.WM_MOUSE.WM_LBUTTONDOWN:
                        //case WM_LBUTTONUP: 
                        //case WM_LBUTTONDBLCLK:
                        button = MouseButtons.Left;
                        break;
                    case (int)HookHelper.WM_MOUSE.WM_RBUTTONDOWN:
                        //case WM_RBUTTONUP: 
                        //case WM_RBUTTONDBLCLK: 
                        button = MouseButtons.Right;
                        break;
                    case (int)HookHelper.WM_MOUSE.WM_MOUSEWHEEL:
                        //button = MouseButtons.Middle;//滚动轮
                        //(value >> 16) & 0xffff; retrieves the high-order word from the given 32-bit value
                        mouseDelta = (short)((mouseHookStruct.MouseData >> 16) & 0xffff);
                        break;
                }

                int clickCount = 0;//点击数
                if (button != MouseButtons.None)
                {
                    if ((int)wParam == (int)HookHelper.WM_MOUSE.WM_LBUTTONDBLCLK || (int)wParam == (int)HookHelper.WM_MOUSE.WM_RBUTTONDBLCLK)
                    {
                        clickCount = 2;//双击
                    }
                    else
                    {
                        clickCount = 1;//单击
                    }
                }

                //鼠标事件传递数据
                MouseEventArgs e = new MouseEventArgs(button, clickCount, mouseHookStruct.Point.X, mouseHookStruct.Point.Y, mouseDelta);

                //重写事件
                OnMouseActivity(this, e);
            }

            return Win32API.CallNextHookEx(hHook, nCode, wParam, lParam);
        }

        /// <summary>
        /// 键盘钩子处理函数
        /// </summary>
        /// <param name="code"></param>
        /// <param name="wParam"></param>
        /// <param name="lParam"></param>
        /// <returns></returns>
        private int KeyboardProc(int nCode, IntPtr wParam, IntPtr lParam)
        {
            try
            {
                if (nCode < (int)HookHelper.WH_Codes.HC_ACTION)
                {
                    return Win32API.CallNextHookEx((IntPtr)khook, nCode, wParam, lParam);
                }

                HookHelper.KeyboardHookStruct keyHookStruct = (HookHelper.KeyboardHookStruct)Marshal.PtrToStructure(lParam, typeof(HookHelper.KeyboardHookStruct));

                #region
                //if ((int)wParam == (int)Keys.C && ((int)lParam & (int)Keys.ControlKey) != 0 ||//Ctrl+C
                //    (int)wParam == (int)Keys.X && ((int)lParam & (int)Keys.ControlKey) != 0)//Ctrl+V
                //{
                //    MessageBox.Show("C||V");
                //}

                //if (lParam.ToInt32() > 0)//捕获键盘按下
                //{
                //    Keys keys = (Keys)wParam;
                //    MessageBox.Show("键盘按下");
                //}
                //if (lParam.ToInt32() < 0)//捕获键盘抬起
                //{
                //    MessageBox.Show("键盘抬起");
                //}
                /**************** 
                 //全局键盘钩子判断是否按下键 
                 wParam = = 0x100 // 键盘按下 
                 wParam = = 0x101 // 键盘抬起 
                ****************/
                //return 0;//如果返回1,则结束消息,消息截止,不再传递。如果返回0或调用CallNextHookEx函数,消息出这个钩子继续往下传递。
                #endregion

            }
            catch
            {

            }

            return Win32API.CallNextHookEx(khook, nCode, wParam, lParam);
        }
    }
}

如果不好理解,将键盘、鼠标操作分离为两个文件分别封装:KeyHook.cs和MouseHook.cs
KeyHook.cs文件:

VSTO Office二次开发键盘鼠标钩子使用整理
VSTO Office二次开发键盘鼠标钩子使用整理
View Code

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using System.Runtime.InteropServices;

namespace TestHook.MyHook
{
    class KeyHook
    {
        //定义钩子处理函数
        private Win32API.HookProc KeyboardProcDelegate = null;
        //定义钩子句柄
        private IntPtr khook;
        //定义键盘事件
        public event KeyEventHandler OnKeyDown;

        /// <summary>
        /// 安装钩子
        /// </summary>
        public void InstallHook()
        {
            if (khook == IntPtr.Zero)
            {
                uint id = Win32API.GetCurrentThreadId();
                this.KeyboardProcDelegate = new Win32API.HookProc(this.KeyboardProc);
                khook = Win32API.SetWindowsHookEx((IntPtr)HookHelper.WH_Codes.WH_KEYBOARD_LL, this.KeyboardProcDelegate, IntPtr.Zero, id);
            }
        }

        /// <summary>
        /// 卸载钩子
        /// </summary>
        public void UnInstallHook()
        {
            bool isSuccess = false;
            if (khook != IntPtr.Zero)
            {
                isSuccess=Win32API.UnhookWindowsHookEx(khook);
                this.khook = IntPtr.Zero;
            }
            if (isSuccess)
            {
                MessageBox.Show("卸载成功!");
            }
            else
            {
                MessageBox.Show("卸载失败!");
            }
        }

        /// <summary>
        /// 键盘钩子处理函数
        /// </summary>
        /// <param name="code"></param>
        /// <param name="wParam"></param>
        /// <param name="lParam"></param>
        /// <returns></returns>
        private int KeyboardProc(int nCode, IntPtr wParam, IntPtr lParam)
        {
            try
            {
                if (nCode < (int)HookHelper.WH_Codes.HC_ACTION)
                {
                    return Win32API.CallNextHookEx((IntPtr)khook, nCode, wParam, lParam);
                }

                HookHelper.KeyboardHookStruct keyHookStruct = (HookHelper.KeyboardHookStruct)Marshal.PtrToStructure(lParam, typeof(HookHelper.KeyboardHookStruct));

                #region
                //if ((int)wParam == (int)Keys.C && ((int)lParam & (int)Keys.ControlKey) != 0 ||//Ctrl+C
                //    (int)wParam == (int)Keys.X && ((int)lParam & (int)Keys.ControlKey) != 0)//Ctrl+V
                //{
                //    MessageBox.Show("C||V");
                //}

                //if (lParam.ToInt32() > 0)//捕获键盘按下
                //{
                //    Keys keys = (Keys)wParam;
                //    MessageBox.Show("键盘按下");
                //}
                //if (lParam.ToInt32() < 0)//捕获键盘抬起
                //{
                //    MessageBox.Show("键盘抬起");
                //}
                /**************** 
                 //全局键盘钩子判断是否按下键 
                 wParam = = 0x100 // 键盘按下 
                 wParam = = 0x101 // 键盘抬起 
                ****************/
                //return 0;//如果返回1,则结束消息,消息截止,不再传递。如果返回0或调用CallNextHookEx函数,消息出这个钩子继续往下传递。
                #endregion  
                bool handled = false;
                if (this.OnKeyDown != null && (wParam == (IntPtr)HookHelper.WM_KEYBOARD.WM_KEYDOWN|| wParam == (IntPtr)HookHelper.WM_KEYBOARD.WM_SYSKEYDOWN))
                {
                    Keys keyData = (Keys)keyHookStruct.VKCode;
                    KeyEventArgs e = new KeyEventArgs(keyData);
                    OnKeyDown.Invoke(this, e);
                    handled = e.Handled;
                }

                if (handled)
                    return -1;

                return Win32API.CallNextHookEx(khook, nCode, wParam, lParam);
            }
            catch
            {

            }

            return Win32API.CallNextHookEx(khook, nCode, wParam, lParam);
        }
    }
}

MouseHook.cs文件:

VSTO Office二次开发键盘鼠标钩子使用整理
VSTO Office二次开发键盘鼠标钩子使用整理
View Code

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using System.Runtime.InteropServices;

namespace TestHook.MyHook
{
    public class MouseHook
    {
        #region 定义变量
        //定义钩子处理函数
        private Win32API.HookProc MouseHookProcedure;
        //定义钩子句柄
        private IntPtr hHook = IntPtr.Zero;
        //定义鼠标事件
        public event MouseEventHandler OnMouseActivity;
        #endregion

        /// <summary>
        /// 安装鼠标钩子
        /// </summary>
        public void InstallHook()
        {
            if (hHook == IntPtr.Zero)
            {
                uint id = Win32API.GetCurrentThreadId();
                this.MouseHookProcedure = new Win32API.HookProc(this.MouseHookProc);
                //这里挂节钩子
                hHook = Win32API.SetWindowsHookEx((IntPtr)HookHelper.WH_Codes.WH_MOUSE_LL, MouseHookProcedure, IntPtr.Zero, id);
            }
        }

        /// <summary>
        /// 卸载鼠标钩子
        /// </summary>
        public void UnInstallHook()
        {
            bool isSuccess = false;
            if (this.hHook != IntPtr.Zero)
            {
                isSuccess = Win32API.UnhookWindowsHookEx(hHook);
                this.hHook = IntPtr.Zero;
            }
            if (isSuccess)
            {
                MessageBox.Show("卸载成功!");
            }
            else
            {
                MessageBox.Show("卸载失败!"); 
            }
        }

        /// <summary>
        /// 鼠标钩子处理函数
        /// </summary>
        /// <param name="nCode"></param>
        /// <param name="wParam"></param>
        /// <param name="lParam"></param>
        /// <returns></returns>
        private int MouseHookProc(int nCode, IntPtr wParam, IntPtr lParam)
        {
            if (nCode < (int)HookHelper.WH_Codes.HC_ACTION)
            {
                return Win32API.CallNextHookEx(hHook, nCode, wParam, lParam);
            }

            if (OnMouseActivity != null)
            {
                //Marshall the data from callback.
                HookHelper.MouseHookStruct mouseHookStruct = (HookHelper.MouseHookStruct)Marshal.PtrToStructure(lParam, typeof(HookHelper.MouseHookStruct));
                MouseButtons button = MouseButtons.None;
                short mouseDelta = 0;
                switch ((int)wParam)
                {
                    case (int)HookHelper.WM_MOUSE.WM_LBUTTONDOWN:
                        //case WM_LBUTTONUP: 
                        //case WM_LBUTTONDBLCLK:
                        button = MouseButtons.Left;
                        break;
                    case (int)HookHelper.WM_MOUSE.WM_RBUTTONDOWN:
                        //case WM_RBUTTONUP: 
                        //case WM_RBUTTONDBLCLK: 
                        button = MouseButtons.Right;
                        break;
                    case (int)HookHelper.WM_MOUSE.WM_MOUSEWHEEL:
                        //button = MouseButtons.Middle;//滚动轮
                        //(value >> 16) & 0xffff; retrieves the high-order word from the given 32-bit value
                        mouseDelta = (short)((mouseHookStruct.MouseData >> 16) & 0xffff);
                        break;
                }

                int clickCount = 0;//点击数
                if (button != MouseButtons.None)
                {
                    if (wParam == (IntPtr)HookHelper.WM_MOUSE.WM_LBUTTONDBLCLK || wParam == (IntPtr)HookHelper.WM_MOUSE.WM_RBUTTONDBLCLK)
                    {
                        clickCount = 2;//双击
                    }
                    else
                    {
                        clickCount = 1;//单击
                    }
                }

                //鼠标事件传递数据
                MouseEventArgs e = new MouseEventArgs(button,clickCount,mouseHookStruct.Point.X,mouseHookStruct.Point.Y,mouseDelta);

                //重写事件
                OnMouseActivity(this, e);
            }
           
            return Win32API.CallNextHookEx(hHook, nCode, wParam, lParam);
        }
    }
}

4.对于Hook文件的调用,使用一个WinForm窗体做的测试,鼠标监控按钮、键盘监控按钮、停止监控按钮,一个RichTextBox显示监控日志,一个Label显示鼠标坐标监控:

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using TestHook.MyHook;

namespace TestHook
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }
        private Hook hook = new Hook();//总钩子控制
        private KeyHook keyHook = new KeyHook();//键盘钩子        
        private MouseHook  mouseHook = new MouseHook();//鼠标钩子        

        private void Form1_Load(object sender, EventArgs e)
        {
            hook.OnMouseActivity += new MouseEventHandler(hook_OnMouseActivity);
            mouseHook.OnMouseActivity += new MouseEventHandler(mouseHook_OnMouseActivity);
            keyHook.OnKeyDown += new KeyEventHandler(keyHook_OnKeyDown);
        }

        void keyHook_OnKeyDown(object sender, KeyEventArgs e)
        {
            WriteLog("KeyDown     - " + e.KeyData.ToString());
        }

        void hook_OnMouseActivity(object sender, MouseEventArgs e)
        {
            this.lblMousePosition.Text = string.Format("X:{0} Y={1} Wheel={2}", e.X, e.Y, e.Delta);
            if (e.Clicks > 0)
            {
                WriteLog("MouseButton   -" + e.Button.ToString());
            }
        }
       
        private void btnMouseHook_Click(object sender, EventArgs e)
        {           
            //mouseHook.InstallHook();
            hook.InstallHook(HookHelper.HookType.MouseOperation);
        }

        private void btnKeyHook_Click(object sender, EventArgs e)
        {            
            keyHook.InstallHook();
            //hook.InstallHook(HookHelper.HookType.KeyOperation);
        }

        private void btnUnIntallHook_Click(object sender, EventArgs e)
        {
            //mouseHook.UnInstallHook();
            //keyHook.UnInstallHook();

            hook.UnInstallHook(HookHelper.HookType.KeyOperation);//卸载键盘钩子
            hook.UnInstallHook(HookHelper.HookType.MouseOperation);//卸载鼠标钩子
        }

        private void WriteLog(string message)
        {
            if (string.IsNullOrWhiteSpace(this.richMessage.Text))
            {
                this.richMessage.Text = "监控鼠标和键盘操作记录:" + Environment.NewLine;
            }
            this.richMessage.AppendText(message + Environment.NewLine);
            this.richMessage.SelectionStart = this.richMessage.Text.Length;
        }

        void mouseHook_OnMouseActivity(object sender, MouseEventArgs e)
        {
            this.lblMousePosition.Text = string.Format("X:{0} Y={1} Wheel={2}",e.X,e.Y,e.Delta);
            if (e.Clicks > 0)
            {
                WriteLog("MouseButton   -"+e.Button.ToString());
            }
        }

        private void Form1_FormClosed(object sender, FormClosedEventArgs e)
        {
            hook.UnInstallHook(HookHelper.HookType.KeyOperation);//卸载键盘钩子
            hook.UnInstallHook(HookHelper.HookType.MouseOperation);//卸载鼠标钩子
        }
    }
}

代码整理,模拟数据:来自蓝天旭日的《C#钩子实现简单鼠标键盘的监控和屏蔽 》文章,其示例来自GermanyGeorge Mamaladze的开源代码:
http://www.codeproject.com/KB/cs/globalhook.aspx

 

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