键盘钩子

随性学习的,有问题请大家多多指教。

首先之所以将钩子没有分语言写简单使用的教程是有原因的,windows的钩子是基于他的消息机制进行,无论c++也好还是c#的的钩子实现都是调用系统api进行实现。

其次分类开搞:

C++

案例:

KBLock

环境:vs2015

需要注意的有两点:

1.      编译时会有由于编码集为utf导致的错误,解决办法为设置字符集为多字节

2.      编译时会有main的dll多个的错误,解决方案为:

#ifdef _X86_

extern "C" { int _afxForceUSRDLL; }

#else

extern "C" { int __afxForceUSRDLL; }

#endif

设置宏编译的策略

网上案例有两处:

问题解决网站:

http://www.cnblogs.com/profession/p/5849440.html

钩子写法:

http://blog.youkuaiyun.com/yedezhanghao/article/details/6799371

C#

案例:

键盘钩子

环境:vs2015

没有什么需要注意的

网站案例:

主体案例:

http://jingyan.baidu.com/article/ceb9fb10ebd9f68cad2ba03c.html

附加的案例:

http://www.ithao123.cn/content-1010315.html

http://www.cnblogs.com/fanxiaojun/archive/2012/04/01/2428022.html

http://www.cnblogs.com/lellansin/archive/2012/05/15/2502313.html

源代码路径:

http://download.youkuaiyun.com/detail/w6025110/9861166

using System; using System.Runtime.InteropServices; using System.Reflection; using System.Windows.Forms; namespace KeyboardHook { public enum KeyboardEvents { KeyDown = 0x0100, KeyUp = 0x0101, SystemKeyDown = 0x0104, SystemKeyUp = 0x0105 } [StructLayout(LayoutKind.Sequential)] public struct KeyboardHookStruct { public int vkCode; //表示一个在1到254间的虚似键盘码 public int scanCode; //表示硬件扫描码 public int flags; public int time; public int dwExtraInfo; } public delegate void KeyboardEventHandler(KeyboardEvents keyEvent, System.Windows.Forms.Keys key); public class Hook { public event KeyboardEventHandler KeyboardEvent; public enum HookType { WH_JOURNALRECORD = 0, WH_JOURNALPLAYBACK = 1, WH_KEYBOARD = 2, WH_GETMESSAGE = 3, WH_CALLWNDPROC = 4, WH_CBT = 5, WH_SYSMSGFILTER = 6, WH_MOUSE = 7, WH_HARDWARE = 8, WH_DEBUG = 9, WH_SHELL = 10, WH_FOREGROUNDIDLE = 11, WH_CALLWNDPROCRET = 12, WH_KEYBOARD_LL = 13, WH_MOUSE_LL = 14, WH_MSGFILTER = -1, } public delegate IntPtr HookProc(int code, int wParam, IntPtr lParam); [DllImport("User32.dll", CharSet = CharSet.Auto)] public static extern IntPtr SetWindowsHookEx(HookType hookType, HookProc hook, IntPtr instance, int threadID); [DllImport("User32.dll", CharSet = CharSet.Auto)] public static extern IntPtr CallNextHookEx(IntPtr hookHandle, int code, int wParam, IntPtr lParam); [DllImport("User32.dll", CharSet = CharSet.Auto)] public static extern bool UnhookWindowsHookEx(IntPtr hookHandle); private IntPtr instance; private IntPtr hookHandle; private int threadID; private HookProc hookProcEx; public Hook()
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