代码KeyboardHook hook;private void ThisAddIn_Startup(object sender, System.EventArgs e){hook = new KeyboardHook();hook.InitHook();}private void ThisAddIn_Shutdown(object sender, System.EventArgs e){hook.UnHook();}}//钩子具体处理逻辑是：class KeyboardHook{#region (invokestuff)[DllImport("kernel32.dll")]static extern uint GetCurrentThreadId();[DllImport("user32.dll")]static extern IntPtr SetWindowsHookEx(int code, HookProcKeyboard func, IntPtr hInstance, uint threadID);[DllImport("user32.dll")]static extern bool UnhookWindowsHookEx(IntPtr hhk);[DllImport("user32.dll")]static extern int CallNextHookEx(IntPtr hhk, int nCode, IntPtr wParam, IntPtr lParam);#endregion#region constansprivate const int WH_KEYBOARD = 2;private const int HC_ACTION = 0;#endregiondelegate int HookProcKeyboard(int code, IntPtr wParam, IntPtr lParam);private HookProcKeyboard KeyboardProcDelegate = null;private IntPtr khook;bool doing = false;public void InitHook(){uint id = GetCurrentThreadId();//init the keyboard hook with the thread id of the Visual Studio IDE   this.KeyboardProcDelegate = new HookProcKeyboard(this.KeyboardProc);khook = SetWindowsHookEx(WH_KEYBOARD, this.KeyboardProcDelegate, IntPtr.Zero, id);}public void UnHook(){if (khook != IntPtr.Zero){UnhookWindowsHookEx(khook);}}private int KeyboardProc(int code, IntPtr wParam, IntPtr lParam){try{if (code != HC_ACTION){return CallNextHookEx(khook, code, wParam, lParam);}if ((int)wParam == (int)Keys.Z && ((int)lParam & (int)Keys.Alt) != 0){if (!doing){doing = true;MessageBox.Show("Captured");doing = false;}}}catch{}return CallNextHookEx(khook, code, wParam, lParam);}}

using System;
using System.Collections.Generic;
using System.Reflection;
using System.Runtime.InteropServices;
using System.Text;
using System.Windows.Forms;namespace PowerPointTest
{/// <summary> /// 这个类可以让你得到一个在运行中程序的所有鼠标事件 /// 并且引发一个带MouseEventArgs参数的.NET鼠标事件以便你很容易使用这些信息 /// </summary> public class MouseHook{private const int WM_MOUSEMOVE = 0x200;private const int WM_LBUTTONDOWN = 0x201;private const int WM_RBUTTONDOWN = 0x204;private const int WM_MBUTTONDOWN = 0x207;private const int WM_LBUTTONUP = 0x202;private const int WM_RBUTTONUP = 0x205;private const int WM_MBUTTONUP = 0x208;private const int WM_LBUTTONDBLCLK = 0x203;private const int WM_RBUTTONDBLCLK = 0x206;private const int WM_MBUTTONDBLCLK = 0x209;//全局的事件 public event MouseEventHandler OnMouseActivity;static int hMouseHook = 0; //鼠标钩子句柄 //鼠标常量 public const int WH_MOUSE_LL = 14; //mouse hook constant HookProc MouseHookProcedure; //声明鼠标钩子事件类型. //声明一个Point的封送类型
        [StructLayout(LayoutKind.Sequential)]public class POINT{public int x;public int y;}//声明鼠标钩子的封送结构类型
        [StructLayout(LayoutKind.Sequential)]public class MouseHookStruct{public POINT pt;public int hWnd;public int wHitTestCode;public int dwExtraInfo;}//装置钩子的函数 [DllImport("user32.dll ", CharSet = CharSet.Auto, CallingConvention = CallingConvention.StdCall)]public static extern int SetWindowsHookEx(int idHook, HookProc lpfn, IntPtr hInstance, int threadId);//卸下钩子的函数 [DllImport("user32.dll ", CharSet = CharSet.Auto, CallingConvention = CallingConvention.StdCall)]public static extern bool UnhookWindowsHookEx(int idHook); //下一个钩挂的函数 [DllImport("user32.dll ", CharSet = CharSet.Auto, CallingConvention = CallingConvention.StdCall)]public static extern int CallNextHookEx(int idHook, int nCode, Int32 wParam, IntPtr lParam);public delegate int HookProc(int nCode, Int32 wParam, IntPtr lParam);/// <summary> /// 墨认的构造函数构造当前类的实例. /// </summary> public MouseHook(){//Start();
        }//析构函数. ~MouseHook(){Stop();}public void Start(){//安装鼠标钩子 if (hMouseHook == 0){//生成一个HookProc的实例. MouseHookProcedure = new HookProc(MouseHookProc);hMouseHook = SetWindowsHookEx(WH_MOUSE_LL, MouseHookProcedure, Marshal.GetHINSTANCE(Assembly.GetExecutingAssembly().GetModules()[0]), 0);//如果装置失败停止钩子 if (hMouseHook == 0){Stop();throw new Exception("SetWindowsHookEx failed. ");}}}public void Stop(){bool retMouse = true;if (hMouseHook != 0){retMouse = UnhookWindowsHookEx(hMouseHook);hMouseHook = 0;}//如果卸下钩子失败 if (!(retMouse)) throw new Exception("UnhookWindowsHookEx failed. ");}private int MouseHookProc(int nCode, Int32 wParam, IntPtr lParam){//如果正常运行并且用户要监听鼠标的消息 if ((nCode >= 0) && (OnMouseActivity != null)){MouseButtons button = MouseButtons.None;int clickCount = 0;switch (wParam){case WM_LBUTTONDOWN: button = MouseButtons.Left; clickCount = 1; break;case WM_LBUTTONUP: button = MouseButtons.Left; clickCount = 1; break;case WM_LBUTTONDBLCLK: button = MouseButtons.Left; clickCount = 2; break;case WM_RBUTTONDOWN: button = MouseButtons.Right; clickCount = 1; break;case WM_RBUTTONUP: button = MouseButtons.Right; clickCount = 1; break;case WM_RBUTTONDBLCLK: button = MouseButtons.Right; clickCount = 2; break;}//从回调函数中得到鼠标的信息 MouseHookStruct MyMouseHookStruct = (MouseHookStruct)Marshal.PtrToStructure(lParam, typeof(MouseHookStruct));MouseEventArgs e = new MouseEventArgs(button, clickCount, MyMouseHookStruct.pt.x, MyMouseHookStruct.pt.y, 0);OnMouseActivity(this, e);}return CallNextHookEx(hMouseHook, nCode, wParam, lParam);}}
}