C# monitor keyboard and print pressed key

using System;

using System.Windows.Forms;

using System.Runtime.InteropServices;

using System.Diagnostics;

namespace ConsoleApplication3

{

    class MonitorHelper

    {

        internal const int WHKEYBOARDLLValue = ;

        internal const int WMKEYDOWNValue = 0x0100;

        internal static LowLevelKeyboardProc procValue = HookCallback;

        internal static IntPtr hookIDValue = IntPtr.Zero;

        internal delegate IntPtr LowLevelKeyboardProc(int nCode, IntPtr wParam, IntPtr lParam);

        [DllImport("user32.dll", CharSet = CharSet.Auto, SetLastError = true)]

        internal static extern IntPtr SetWindowsHookEx(int idHook, LowLevelKeyboardProc lpfn, IntPtr hMod, uint dwThreadId);

        [DllImport("user32.dll", CharSet = CharSet.Auto, SetLastError = true)]

        [return: MarshalAs(UnmanagedType.Bool)]

        internal static extern bool UnhookWindowsHookEx(IntPtr hhk);

        [DllImport("user32.dll", CharSet = CharSet.Auto, SetLastError = true)]

        internal static extern IntPtr CallNextHookEx(IntPtr hhk, int nCode, IntPtr wParam, IntPtr lParam);

        [DllImport("kernel32.dll", CharSet = CharSet.Auto, SetLastError = true)]

        internal static extern IntPtr GetModuleHandle(string lpModuleName);

        internal static IntPtr HookCallback(int nCode, IntPtr wParam, IntPtr lParam)

        {

            if (nCode >=  && wParam == (IntPtr)WMKEYDOWNValue)

            {

                int vkCode = Marshal.ReadInt32(lParam);

                Console.WriteLine((Keys)vkCode);

            }

            return CallNextHookEx(hookIDValue, nCode, wParam, lParam);

        }

        internal static IntPtr SetHook(LowLevelKeyboardProc proc)

        {

            using (Process curProcess = Process.GetCurrentProcess())

            using (ProcessModule curModule = curProcess.MainModule)

            {

                return SetWindowsHookEx(WHKEYBOARDLLValue, proc,

                    GetModuleHandle(curModule.ModuleName), );

            }

        }

    }

}

using System.Windows.Forms;

 static void Main(string[] args)

        {

            MonitorDemo();

            Console.ReadLine();

        }

        static void MonitorDemo()

        {

            MonitorHelper.hookIDValue = MonitorHelper.SetHook(MonitorHelper.procValue);

            Application.Run();

            MonitorHelper.UnhookWindowsHookEx(MonitorHelper.hookIDValue);

        }

referenced https://stackoverflow.com/questions/604410/global-keyboard-capture-in-c-sharp-application

#region Assembly System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089

// C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\.NETFramework\v4.7.2\System.Windows.Forms.dll

#endregion

using System.ComponentModel;

using System.Runtime.InteropServices;

namespace System.Windows.Forms

{

    //

    // Summary:

    //     Specifies key codes and modifiers.

    [ComVisible(true)]

    [Editor("System.Windows.Forms.Design.ShortcutKeysEditor, System.Design, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a", typeof(Drawing.Design.UITypeEditor))]

    [Flags]

    [TypeConverter(typeof(KeysConverter))]

    public enum Keys

    {

        //

        // Summary:

        //     The bitmask to extract modifiers from a key value.

        Modifiers = -,

        //

        // Summary:

        //     No key pressed.

        None = ,

        //

        // Summary:

        //     The left mouse button.

        LButton = ,

        //

        // Summary:

        //     The right mouse button.

        RButton = ,

        //

        // Summary:

        //     The CANCEL key.

        Cancel = ,

        //

        // Summary:

        //     The middle mouse button (three-button mouse).

        MButton = ,

        //

        // Summary:

        //     The first x mouse button (five-button mouse).

        XButton1 = ,

        //

        // Summary:

        //     The second x mouse button (five-button mouse).

        XButton2 = ,

        //

        // Summary:

        //     The BACKSPACE key.

        Back = ,

        //

        // Summary:

        //     The TAB key.

        Tab = ,

        //

        // Summary:

        //     The LINEFEED key.

        LineFeed = ,

        //

        // Summary:

        //     The CLEAR key.

        Clear = ,

        //

        // Summary:

        //     The RETURN key.

        Return = ,

        //

        // Summary:

        //     The ENTER key.

        Enter = ,

        //

        // Summary:

        //     The SHIFT key.

        ShiftKey = ,

        //

        // Summary:

        //     The CTRL key.

        ControlKey = ,

        //

        // Summary:

        //     The ALT key.

        Menu = ,

        //

        // Summary:

        //     The PAUSE key.

        Pause = ,

        //

        // Summary:

        //     The CAPS LOCK key.

        Capital = ,

        //

        // Summary:

        //     The CAPS LOCK key.

        CapsLock = ,

        //

        // Summary:

        //     The IME Kana mode key.

        KanaMode = ,

        //

        // Summary:

        //     The IME Hanguel mode key. (maintained for compatibility; use HangulMode)

        HanguelMode = ,

        //

        // Summary:

        //     The IME Hangul mode key.

        HangulMode = ,

        //

        // Summary:

        //     The IME Junja mode key.

        JunjaMode = ,

        //

        // Summary:

        //     The IME final mode key.

        FinalMode = ,

        //

        // Summary:

        //     The IME Hanja mode key.

        HanjaMode = ,

        //

        // Summary:

        //     The IME Kanji mode key.

        KanjiMode = ,

        //

        // Summary:

        //     The ESC key.

        Escape = ,

        //

        // Summary:

        //     The IME convert key.

        IMEConvert = ,

        //

        // Summary:

        //     The IME nonconvert key.

        IMENonconvert = ,

        //

        // Summary:

        //     The IME accept key, replaces System.Windows.Forms.Keys.IMEAceept.

        IMEAccept = ,

        //

        // Summary:

        //     The IME accept key. Obsolete, use System.Windows.Forms.Keys.IMEAccept instead.

        IMEAceept = ,

        //

        // Summary:

        //     The IME mode change key.

        IMEModeChange = ,

        //

        // Summary:

        //     The SPACEBAR key.

        Space = ,

        //

        // Summary:

        //     The PAGE UP key.

        Prior = ,

        //

        // Summary:

        //     The PAGE UP key.

        PageUp = ,

        //

        // Summary:

        //     The PAGE DOWN key.

        Next = ,

        //

        // Summary:

        //     The PAGE DOWN key.

        PageDown = ,

        //

        // Summary:

        //     The END key.

        End = ,

        //

        // Summary:

        //     The HOME key.

        Home = ,

        //

        // Summary:

        //     The LEFT ARROW key.

        Left = ,

        //

        // Summary:

        //     The UP ARROW key.

        Up = ,

        //

        // Summary:

        //     The RIGHT ARROW key.

        Right = ,

        //

        // Summary:

        //     The DOWN ARROW key.

        Down = ,

        //

        // Summary:

        //     The SELECT key.

        Select = ,

        //

        // Summary:

        //     The PRINT key.

        Print = ,

        //

        // Summary:

        //     The EXECUTE key.

        Execute = ,

        //

        // Summary:

        //     The PRINT SCREEN key.

        Snapshot = ,

        //

        // Summary:

        //     The PRINT SCREEN key.

        PrintScreen = ,

        //

        // Summary:

        //     The INS key.

        Insert = ,

        //

        // Summary:

        //     The DEL key.

        Delete = ,

        //

        // Summary:

        //     The HELP key.

        Help = ,

        //

        // Summary:

        //     The 0 key.

        D0 = ,

        //

        // Summary:

        //     The 1 key.

        D1 = ,

        //

        // Summary:

        //     The 2 key.

        D2 = ,

        //

        // Summary:

        //     The 3 key.

        D3 = ,

        //

        // Summary:

        //     The 4 key.

        D4 = ,

        //

        // Summary:

        //     The 5 key.

        D5 = ,

        //

        // Summary:

        //     The 6 key.

        D6 = ,

        //

        // Summary:

        //     The 7 key.

        D7 = ,

        //

        // Summary:

        //     The 8 key.

        D8 = ,

        //

        // Summary:

        //     The 9 key.

        D9 = ,

        //

        // Summary:

        //     The A key.

        A = ,

        //

        // Summary:

        //     The B key.

        B = ,

        //

        // Summary:

        //     The C key.

        C = ,

        //

        // Summary:

        //     The D key.

        D = ,

        //

        // Summary:

        //     The E key.

        E = ,

        //

        // Summary:

        //     The F key.

        F = ,

        //

        // Summary:

        //     The G key.

        G = ,

        //

        // Summary:

        //     The H key.

        H = ,

        //

        // Summary:

        //     The I key.

        I = ,

        //

        // Summary:

        //     The J key.

        J = ,

        //

        // Summary:

        //     The K key.

        K = ,

        //

        // Summary:

        //     The L key.

        L = ,

        //

        // Summary:

        //     The M key.

        M = ,

        //

        // Summary:

        //     The N key.

        N = ,

        //

        // Summary:

        //     The O key.

        O = ,

        //

        // Summary:

        //     The P key.

        P = ,

        //

        // Summary:

        //     The Q key.

        Q = ,

        //

        // Summary:

        //     The R key.

        R = ,

        //

        // Summary:

        //     The S key.

        S = ,

        //

        // Summary:

        //     The T key.

        T = ,

        //

        // Summary:

        //     The U key.

        U = ,

        //

        // Summary:

        //     The V key.

        V = ,

        //

        // Summary:

        //     The W key.

        W = ,

        //

        // Summary:

        //     The X key.

        X = ,

        //

        // Summary:

        //     The Y key.

        Y = ,

        //

        // Summary:

        //     The Z key.

        Z = ,

        //

        // Summary:

        //     The left Windows logo key (Microsoft Natural Keyboard).

        LWin = ,

        //

        // Summary:

        //     The right Windows logo key (Microsoft Natural Keyboard).

        RWin = ,

        //

        // Summary:

        //     The application key (Microsoft Natural Keyboard).

        Apps = ,

        //

        // Summary:

        //     The computer sleep key.

        Sleep = ,

        //

        // Summary:

        //     The 0 key on the numeric keypad.

        NumPad0 = ,

        //

        // Summary:

        //     The 1 key on the numeric keypad.

        NumPad1 = ,

        //

        // Summary:

        //     The 2 key on the numeric keypad.

        NumPad2 = ,

        //

        // Summary:

        //     The 3 key on the numeric keypad.

        NumPad3 = ,

        //

        // Summary:

        //     The 4 key on the numeric keypad.

        NumPad4 = ,

        //

        // Summary:

        //     The 5 key on the numeric keypad.

        NumPad5 = ,

        //

        // Summary:

        //     The 6 key on the numeric keypad.

        NumPad6 = ,

        //

        // Summary:

        //     The 7 key on the numeric keypad.

        NumPad7 = ,

        //

        // Summary:

        //     The 8 key on the numeric keypad.

        NumPad8 = ,

        //

        // Summary:

        //     The 9 key on the numeric keypad.

        NumPad9 = ,

        //

        // Summary:

        //     The multiply key.

        Multiply = ,

        //

        // Summary:

        //     The add key.

        Add = ,

        //

        // Summary:

        //     The separator key.

        Separator = ,

        //

        // Summary:

        //     The subtract key.

        Subtract = ,

        //

        // Summary:

        //     The decimal key.

        Decimal = ,

        //

        // Summary:

        //     The divide key.

        Divide = ,

        //

        // Summary:

        //     The F1 key.

        F1 = ,

        //

        // Summary:

        //     The F2 key.

        F2 = ,

        //

        // Summary:

        //     The F3 key.

        F3 = ,

        //

        // Summary:

        //     The F4 key.

        F4 = ,

        //

        // Summary:

        //     The F5 key.

        F5 = ,

        //

        // Summary:

        //     The F6 key.

        F6 = ,

        //

        // Summary:

        //     The F7 key.

        F7 = ,

        //

        // Summary:

        //     The F8 key.

        F8 = ,

        //

        // Summary:

        //     The F9 key.

        F9 = ,

        //

        // Summary:

        //     The F10 key.

        F10 = ,

        //

        // Summary:

        //     The F11 key.

        F11 = ,

        //

        // Summary:

        //     The F12 key.

        F12 = ,

        //

        // Summary:

        //     The F13 key.

        F13 = ,

        //

        // Summary:

        //     The F14 key.

        F14 = ,

        //

        // Summary:

        //     The F15 key.

        F15 = ,

        //

        // Summary:

        //     The F16 key.

        F16 = ,

        //

        // Summary:

        //     The F17 key.

        F17 = ,

        //

        // Summary:

        //     The F18 key.

        F18 = ,

        //

        // Summary:

        //     The F19 key.

        F19 = ,

        //

        // Summary:

        //     The F20 key.

        F20 = ,

        //

        // Summary:

        //     The F21 key.

        F21 = ,

        //

        // Summary:

        //     The F22 key.

        F22 = ,

        //

        // Summary:

        //     The F23 key.

        F23 = ,

        //

        // Summary:

        //     The F24 key.

        F24 = ,

        //

        // Summary:

        //     The NUM LOCK key.

        NumLock = ,

        //

        // Summary:

        //     The SCROLL LOCK key.

        Scroll = ,

        //

        // Summary:

        //     The left SHIFT key.

        LShiftKey = ,

        //

        // Summary:

        //     The right SHIFT key.

        RShiftKey = ,

        //

        // Summary:

        //     The left CTRL key.

        LControlKey = ,

        //

        // Summary:

        //     The right CTRL key.

        RControlKey = ,

        //

        // Summary:

        //     The left ALT key.

        LMenu = ,

        //

        // Summary:

        //     The right ALT key.

        RMenu = ,

        //

        // Summary:

        //     The browser back key (Windows 2000 or later).

        BrowserBack = ,

        //

        // Summary:

        //     The browser forward key (Windows 2000 or later).

        BrowserForward = ,

        //

        // Summary:

        //     The browser refresh key (Windows 2000 or later).

        BrowserRefresh = ,

        //

        // Summary:

        //     The browser stop key (Windows 2000 or later).

        BrowserStop = ,

        //

        // Summary:

        //     The browser search key (Windows 2000 or later).

        BrowserSearch = ,

        //

        // Summary:

        //     The browser favorites key (Windows 2000 or later).

        BrowserFavorites = ,

        //

        // Summary:

        //     The browser home key (Windows 2000 or later).

        BrowserHome = ,

        //

        // Summary:

        //     The volume mute key (Windows 2000 or later).

        VolumeMute = ,

        //

        // Summary:

        //     The volume down key (Windows 2000 or later).

        VolumeDown = ,

        //

        // Summary:

        //     The volume up key (Windows 2000 or later).

        VolumeUp = ,

        //

        // Summary:

        //     The media next track key (Windows 2000 or later).

        MediaNextTrack = ,

        //

        // Summary:

        //     The media previous track key (Windows 2000 or later).

        MediaPreviousTrack = ,

        //

        // Summary:

        //     The media Stop key (Windows 2000 or later).

        MediaStop = ,

        //

        // Summary:

        //     The media play pause key (Windows 2000 or later).

        MediaPlayPause = ,

        //

        // Summary:

        //     The launch mail key (Windows 2000 or later).

        LaunchMail = ,

        //

        // Summary:

        //     The select media key (Windows 2000 or later).

        SelectMedia = ,

        //

        // Summary:

        //     The start application one key (Windows 2000 or later).

        LaunchApplication1 = ,

        //

        // Summary:

        //     The start application two key (Windows 2000 or later).

        LaunchApplication2 = ,

        //

        // Summary:

        //     The OEM Semicolon key on a US standard keyboard (Windows 2000 or later).

        OemSemicolon = ,

        //

        // Summary:

        //     The OEM 1 key.

        Oem1 = ,

        //

        // Summary:

        //     The OEM plus key on any country/region keyboard (Windows 2000 or later).

        Oemplus = ,

        //

        // Summary:

        //     The OEM comma key on any country/region keyboard (Windows 2000 or later).

        Oemcomma = ,

        //

        // Summary:

        //     The OEM minus key on any country/region keyboard (Windows 2000 or later).

        OemMinus = ,

        //

        // Summary:

        //     The OEM period key on any country/region keyboard (Windows 2000 or later).

        OemPeriod = ,

        //

        // Summary:

        //     The OEM question mark key on a US standard keyboard (Windows 2000 or later).

        OemQuestion = ,

        //

        // Summary:

        //     The OEM 2 key.

        Oem2 = ,

        //

        // Summary:

        //     The OEM tilde key on a US standard keyboard (Windows 2000 or later).

        Oemtilde = ,

        //

        // Summary:

        //     The OEM 3 key.

        Oem3 = ,

        //

        // Summary:

        //     The OEM open bracket key on a US standard keyboard (Windows 2000 or later).

        OemOpenBrackets = ,

        //

        // Summary:

        //     The OEM 4 key.

        Oem4 = ,

        //

        // Summary:

        //     The OEM pipe key on a US standard keyboard (Windows 2000 or later).

        OemPipe = ,

        //

        // Summary:

        //     The OEM 5 key.

        Oem5 = ,

        //

        // Summary:

        //     The OEM close bracket key on a US standard keyboard (Windows 2000 or later).

        OemCloseBrackets = ,

        //

        // Summary:

        //     The OEM 6 key.

        Oem6 = ,

        //

        // Summary:

        //     The OEM singled/double quote key on a US standard keyboard (Windows 2000 or later).

        OemQuotes = ,

        //

        // Summary:

        //     The OEM 7 key.

        Oem7 = ,

        //

        // Summary:

        //     The OEM 8 key.

        Oem8 = ,

        //

        // Summary:

        //     The OEM angle bracket or backslash key on the RT 102 key keyboard (Windows 2000

        //     or later).

        OemBackslash = ,

        //

        // Summary:

        //     The OEM 102 key.

        Oem102 = ,

        //

        // Summary:

        //     The PROCESS KEY key.

        ProcessKey = ,

        //

        // Summary:

        //     Used to pass Unicode characters as if they were keystrokes. The Packet key value

        //     is the low word of a 32-bit virtual-key value used for non-keyboard input methods.

        Packet = ,

        //

        // Summary:

        //     The ATTN key.

        Attn = ,

        //

        // Summary:

        //     The CRSEL key.

        Crsel = ,

        //

        // Summary:

        //     The EXSEL key.

        Exsel = ,

        //

        // Summary:

        //     The ERASE EOF key.

        EraseEof = ,

        //

        // Summary:

        //     The PLAY key.

        Play = ,

        //

        // Summary:

        //     The ZOOM key.

        Zoom = ,

        //

        // Summary:

        //     A constant reserved for future use.

        NoName = ,

        //

        // Summary:

        //     The PA1 key.

        Pa1 = ,

        //

        // Summary:

        //     The CLEAR key.

        OemClear = ,

        //

        // Summary:

        //     The bitmask to extract a key code from a key value.

        KeyCode = ,

        //

        // Summary:

        //     The SHIFT modifier key.

        Shift = ,

        //

        // Summary:

        //     The CTRL modifier key.

        Control = ,

        //

        // Summary:

        //     The ALT modifier key.

        Alt =

    }

}

C# monitor keyboard and print pressed key的更多相关文章

C# monitor keyboard and mouse actions based on MouseKeyHook.
1.Install-package MouseKeyHook 2. using Gma.System.MouseKeyHook; using System; namespace ConsoleApp1 ...
使用VTK与Python实现机械臂三维模型可视化
三维可视化系统的建立依赖于三维图形平台, 如 OpenGL.VTK.OGRE.OSG等, 传统的方法多采用OpenGL进行底层编程,即对其特有的函数进行定量操作, 需要开发人员熟悉相关函数, 从而造成 ...
OS X: Keyboard shortcuts
Using keyboard shortcuts To use a keyboard shortcut, press a modifier key at the same time as a char ...
[转载]-虚拟键值表-virtual key code
转载虚拟键值表, virtual key code Virtual-Key Codes VK_LBUTTON (01)Left mouse button VK_RBUTTON (02)Right ...
Linux使用Public Key方式远程登录
一.前言: ssh远程登录密码认证的方式有三种,password.Keyboard Interactive.Public Key 前面两种方式就是密码认证,含义都是一样大同小异.第三种是登录方式最安全 ...
带有key参数的函数filter，map，max，min
内置函数———filter def is_not_empty(s): return s and len(s.strip()) > 0 filter(is_not_empty, ['test', ...
证书脚本--生成csr，key
#!/bin/sh # this script can make certificate of each line in file you point which one! if [ $# -ne 1 ...
python 对字典分别按照key值、value值进行排序
1.sorted函数首先介绍sorted函数,sorted(iterable,key,reverse),sorted一共有iterable,key,reverse这三个参数. 其中iterable表示 ...
Yet Another Broken Keyboard
time limit per test2 secondsmemory limit per test256 megabytesinput: standard inputoutput: standard ...

随机推荐

springIOC源码接口分析(九):Environment
先贴一下接口继承关系图,spring容器启动的时候会初始化环境,所以此接口相关接口非常有必要进行了解: 一 PropertyResolver接口 Environment继承了该接口,PropertyR ...
math type白嫖教程
math type作为一款很方便的公式编辑器,缺陷就是要收费,只有30天的免费试用.这里有一个白嫖的方法,当你30天的期限过了之后,只需要删除HKEY_CURRENT_USER\Software\In ...
简明 homebrew
介绍包管理工具几乎已经成为现代操作系统或者开发平台不可或缺的工具软件,无论做开发,或是管理服务器,都免不了用到一些第三方依赖包.包管理工具的基本功能就是提供一个集中的平台,可以在这里找到大部分流行的 ...
java架构之路-（netty专题）netty的基本使用和netty聊天室
上次回顾: 上次博客,我们主要说了我们的IO模型,BIO同步阻塞,NIO同步非阻塞,AIO基于NIO二次封装的异步非阻塞,最重要的就是我们的NIO,脑海中应该有NIO的模型图. Netty概念: Ne ...
JAVA环境配置（Windows10）
Java开发环境配置下载JDK 首先我们需要下载java开发工具包JDK,下载地址:https://www.oracle.com/technetwork/java/javase/downloads/ ...
《Python学习手册第五版》 -第6章动态类型
本章主要讲述变量.对象.引用三者直接的关联及区别,详细说明了在变量赋值的操作中,计算机内部到底发生了什么,有哪些是不被人察觉和需要明确了解的 1.先从最简单的赋值语句开始 a=3 这一句,基本就能涵盖 ...
Mysql事务结合spring管理
spring事务相关问题记录遇到情况: 在本地单体应用调试代码时,发现在一个加了@transaction注解的方法里进行先更新后查询的操作,查询的结果是可以看到更新的内容的.而在微服务环境中同样的代 ...
检测并移除WMI持久化后门
WMI型后门只能由具有管理员权限的用户运行.WMI后门通常使用powershell编写的,可以直接从新的WMI属性中读取和执行后门代码,给代码加密.通过这种方式攻击者会在系统中安装一个持久性的后门 ...
layui表格增删改查与上传图片+Api
API 控制器1 主要用于增删改查已经反填数据查询 using System; using System.Collections.Generic; using System.Data.SqlClie ...
Latent Representation Learning For Artificial Bandwidth Extension Using A Conditional Variational Auto-Encoder
博客作者:凌逆战论文地址:https://ieeexplore.ieee.xilesou.top/abstract/document/8683611/ 地址:https://www.cnblogs. ...

C# monitor keyboard and print pressed key

C# monitor keyboard and print pressed key的更多相关文章

随机推荐

热门专题