在做嵌入程序时，想要获取鼠标的一些事件，然后执行特定的逻辑。去网上找到了相关的有用的一些信息。现记录如下。
首先需要声明三个类 （Hook.cs HookHelper.cs Win32API.cs）
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 /// /// 安装钩子 /// 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); } } } /// /// 卸载鼠标钩子 /// 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！"); } } /// /// 鼠标钩子处理函数 /// /// /// /// /// /// 键盘钩子处理函数 /// /// /// /// /// 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 /// /// 操作类型 /// public enum HookType { KeyOperation,//键盘操作 MouseOperation//鼠标操作 } /// /// 底层钩子标识 /// 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 } /// /// 鼠标按钮标识 /// public enum WM_MOUSE : int { /// /// 鼠标开始 /// WM_MOUSEFIRST = 0x200, /// /// 鼠标移动 /// WM_MOUSEMOVE = 0x200, /// /// 左键按下 /// WM_LBUTTONDOWN = 0x201, /// /// 左键释放 /// WM_LBUTTONUP = 0x202, /// /// 左键双击 /// WM_LBUTTONDBLCLK = 0x203, /// /// 右键按下 /// WM_RBUTTONDOWN = 0x204, /// /// 右键释放 /// WM_RBUTTONUP = 0x205, /// /// 右键双击 /// WM_RBUTTONDBLCLK = 0x206, /// /// 中键按下 /// WM_MBUTTONDOWN = 0x207, /// /// 中键释放 /// WM_MBUTTONUP = 0x208, /// /// 中键双击 /// WM_MBUTTONDBLCLK = 0x209, /// /// 滚轮滚动 /// /// WINNT4.0以上才支持此消息 WM_MOUSEWHEEL = 0x020A } /// /// 键盘按键标识 /// public enum WM_KEYBOARD : int { /// /// 非系统按键按下 /// WM_KEYDOWN = 0x100, /// /// 非系统按键释放 /// WM_KEYUP = 0x101, /// /// 系统按键按下 /// WM_SYSKEYDOWN = 0x104, /// /// 系统按键释放 /// WM_SYSKEYUP = 0x105 } /// /// SetWindowPos标志位枚举 /// /// 详细说明,请参见MSDN中关于SetWindowPos函数的描述 public enum SetWindowPosFlags : int { /// /// /// SWP_NOSIZE = 0x0001, /// /// /// SWP_NOMOVE = 0x0002, /// /// /// SWP_NOZORDER = 0x0004, /// /// /// SWP_NOREDRAW = 0x0008, /// /// /// SWP_NOACTIVATE = 0x0010, /// /// /// SWP_FRAMECHANGED = 0x0020, /// /// /// SWP_SHOWWINDOW = 0x0040, /// /// /// SWP_HIDEWINDOW = 0x0080, /// /// /// SWP_NOCOPYBITS = 0x0100, /// /// /// SWP_NOOWNERZORDER = 0x0200, /// /// /// SWP_NOSENDCHANGING = 0x0400, /// /// /// SWP_DRAWFRAME = 0x0020, /// /// /// SWP_NOREPOSITION = 0x0200, /// /// /// SWP_DEFERERASE = 0x2000, /// /// /// 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; } /// /// 鼠标钩子事件结构定义 /// /// 详细说明请参考MSDN中关于 MSLLHOOKSTRUCT 的说明 [StructLayout(LayoutKind.Sequential)] public struct MouseHookStruct { /// /// Specifies a POINT structure that contains the x- and y-coordinates of the cursor, in screen coordinates. /// public POINT Point; public UInt32 MouseData; public UInt32 Flags; public UInt32 Time; public UInt32 ExtraInfo; } /// /// 键盘钩子事件结构定义 /// /// 详细说明请参考MSDN中关于 KBDLLHOOKSTRUCT 的说明 [StructLayout(LayoutKind.Sequential)] public struct KeyboardHookStruct { /// /// Specifies a virtual-key code. The code must be a value in the range 1 to 254. /// public UInt32 VKCode; /// /// Specifies a hardware scan code for the key. /// public UInt32 ScanCode; /// /// 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. /// public UInt32 Flags; /// /// Specifies the time stamp for this message. /// public UInt32 Time; /// /// Specifies extra information associated with the message. /// public UInt32 ExtraInfo; } #endregion 结构定义 }} 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 /// /// 用于设置窗口 /// /// /// /// /// /// /// /// /// /// 安装钩子 /// /// 钩子类型,鼠标\键盘\巨集等10几种 /// 挂钩的函数,用来处理拦截消息的函数,全局函数 /// 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 /// 设置要挂接的线程ID.为NULL则为全局钩子 /// /// 卸载钩子 /// /// /// /// 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 /// /// /// /// /// /// /// 转换当前按键信息 /// /// /// /// /// /// /// /// 获取按键状态 /// /// /// 非0表示成功 [DllImport("user32.dll")] public static extern int GetKeyboardState(byte[] pbKeyState); [DllImport("user32.dll")] public static extern short GetKeyStates(int vKey); /// /// 获取当前线程Id /// /// /// 截屏位置 /// /// 目标设备的句柄 /// 目标对象的左上角的X坐标 /// 目标对象的左上角的Y坐标 /// 目标对象的矩形的宽度 /// 目标对象的矩形的高度 /// 源设备的句柄 /// 源对象的左上角的X坐标 /// 源对象的左上角的Y坐标 /// 光栅的操作值 /// /// /// /// 驱动名称 /// 设备名称 /// 无用，可以设定为"NULL" /// 任意的打印机数据 /// /// 钩子委托声明 /// /// /// /// ///
然后最后如果需要用的话就在 某个函数里调用，方法如下
private Hook hook = new Hook();//总钩子控制void go(){ hook.InstallHook(HookHelper.HookType.MouseOperation); hook.OnMouseActivity += new MouseEventHandler(hook_OnMouseActivity);} void hook_OnMouseActivity(object sender, MouseEventArgs e){ //你的逻辑。 //通过e.XX 来获取鼠标的事件的相关信息（左右键，按下抬起，坐标等） }
//因为翻了很多博客，所以那些是从哪里copy下来的我也不知道出处了。所以就只能在标题写个转载了。