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[C#/WINFORM] 저수준 키보드 후킹하기

■ 저수준 키보드 후킹을 하는 방법을 보여준다. ▶ LowLevelKeyboardHook.cs


using System;
using System.Diagnostics;
using System.Runtime.InteropServices;
using System.Windows.Forms;

namespace TestProject
{
    /// <summary>
    /// 저수준 키보드 후킹
    /// </summary>
    public class LowLevelKeyboardHook
    {
        //////////////////////////////////////////////////////////////////////////////////////////////////// Delegate
        ////////////////////////////////////////////////////////////////////////////////////////// Private

        #region 저수준 키보드 대리자 - LowLevelKeyboardDelegate(code, wordParameter, longParameter)

        /// <summary>
        /// 저수준 키보드 대리자
        /// </summary>
        /// <param name="code">코드</param>
        /// <param name="wordParameter">WORD 매개 변수</param>
        /// <param name="longParameter">LONG 매개 변수</param>
        /// <returns></returns>
        private delegate IntPtr LowLevelKeyboardDelegate(int code, IntPtr wordParameter, IntPtr longParameter);

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Import
        ////////////////////////////////////////////////////////////////////////////////////////// Static
        //////////////////////////////////////////////////////////////////////////////// Private

        #region 모듈 핸들 구하기 - GetModuleHandle(moduleName)

        /// <summary>
        /// 모듈 핸들 구하기
        /// </summary>
        /// <param name="moduleName">모듈명</param>
        /// <returns>모듈 핸들</returns>
        [DllImport("kernel32", CharSet = CharSet.Auto, SetLastError = true)]
        private static extern IntPtr GetModuleHandle(string moduleName);

        #endregion
        #region 윈도우즈 후킹 설정하기 (확장) - SetWindowsHookEx(hookType, callback, moduleHandle, threadID)

        /// <summary>
        /// 윈도우즈 후킹 설정하기 (확장)
        /// </summary>
        /// <param name="hookType">후킹 타입</param>
        /// <param name="callback">콜백 함수</param>
        /// <param name="moduleHandle">모듈 핸들</param>
        /// <param name="threadID">쓰레드 ID</param>
        /// <returns>후킹 ID</returns>
        [DllImport("user32", CharSet = CharSet.Auto, SetLastError = true)]
        private static extern IntPtr SetWindowsHookEx(int hookType, LowLevelKeyboardDelegate callback, IntPtr moduleHandle, uint threadID);

        #endregion
        #region 다음 후킹 호출하기 (확장) - CallNextHookEx(hookID, code, wordParameter, longParameter)

        /// <summary>
        /// 다음 후킹 호출하기 (확장)
        /// </summary>
        /// <param name="hookID">후킹 ID</param>
        /// <param name="code">코드</param>
        /// <param name="wordParameter">WORD 매개 변수</param>
        /// <param name="longParameter">LONG 매개 변수</param>
        /// <returns>후킹 ID</returns>
        [DllImport("user32", CharSet = CharSet.Auto, SetLastError = true)]
        private static extern IntPtr CallNextHookEx(IntPtr hookID, int code, IntPtr wordParameter, IntPtr longParameter);

        #endregion
        #region 윈도우즈 후킹 취소하기 (확장) - UnhookWindowsHookEx(hookID)

        /// <summary>
        /// 윈도우즈 후킹 취소하기 (확장)
        /// </summary>
        /// <param name="hookID">후킹 ID</param>
        /// <returns>처리 결과</returns>
        [DllImport("user32", CharSet = CharSet.Auto, SetLastError = true)]
        [return: MarshalAs(UnmanagedType.Bool)]
        private static extern bool UnhookWindowsHookEx(IntPtr hookID);

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Event
        ////////////////////////////////////////////////////////////////////////////////////////// Public

        #region 키 PRESSED 이벤트 - KeyPressed

        /// <summary>
        /// 키 PRESSED 이벤트
        /// </summary>
        public event EventHandler<Keys> KeyPressed;

        #endregion
        #region 키 UNPRESSED 이벤트 - KeyUnpressed

        /// <summary>
        /// 키 UNPRESSED 이벤트
        /// </summary>
        public event EventHandler<Keys> KeyUnpressed;

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Field
        ////////////////////////////////////////////////////////////////////////////////////////// Private

        #region Field

        /// <summary>
        /// WH_KEYBOARD_LL
        /// </summary>
        private const int WH_KEYBOARD_LL = 13;

        /// <summary>
        /// WM_KEYDOWN
        /// </summary>
        private const int WM_KEYDOWN = 0x0100;

        /// <summary>
        /// WM_SYSKEYDOWN
        /// </summary>
        private const int WM_SYSKEYDOWN = 0x0104;

        /// <summary>
        /// WM_KEYUP
        /// </summary>
        private const int WM_KEYUP = 0x101;

        /// <summary>
        /// WM_SYSKEYUP
        /// </summary>
        private const int WM_SYSKEYUP = 0x105;

        /// <summary>
        /// 저수준 키보드 대리자
        /// </summary>
        private LowLevelKeyboardDelegate lowLevelKeyboardDelegate;

        /// <summary>
        /// 후킹 ID
        /// </summary>
        private IntPtr hookID = IntPtr.Zero;

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor
        ////////////////////////////////////////////////////////////////////////////////////////// Public

        #region 생성자 - LowLevelKeyboardHook()

        /// <summary>
        /// 생성자
        /// </summary>
        public LowLevelKeyboardHook()
        {
            this.lowLevelKeyboardDelegate = ProcessLowLevelKeyboard;
        }

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Method
        ////////////////////////////////////////////////////////////////////////////////////////// Public

        #region 키보드 후킹하기 - HookKeyboard()

        /// <summary>
        /// 키보드 후킹하기
        /// </summary>
        public void HookKeyboard()
        {
            this.hookID = SetHook(this.lowLevelKeyboardDelegate);
        }

        #endregion
        #region 키보드 후킹 취소하기 - UnHookKeyboard()

        /// <summary>
        /// 키보드 후킹 취소하기
        /// </summary>
        public void UnHookKeyboard()
        {
            UnhookWindowsHookEx(this.hookID);
        }

        #endregion

        ////////////////////////////////////////////////////////////////////////////////////////// Private

        #region 후킹 설정하기 - SetHook(lowLevelKeyboardDelegate)

        /// <summary>
        /// 후킹 설정하기
        /// </summary>
        /// <param name="lowLevelKeyboardDelegate">저수준 키보드 대리자</param>
        /// <returns>후킹 ID</returns>
        private IntPtr SetHook(LowLevelKeyboardDelegate lowLevelKeyboardDelegate)
        {
            using(Process process = Process.GetCurrentProcess())
            {
                using(ProcessModule processModule = process.MainModule)
                {
                    return SetWindowsHookEx
                    (
                        WH_KEYBOARD_LL,
                        lowLevelKeyboardDelegate,
                        GetModuleHandle(processModule.ModuleName),
                        0
                    );
                }
            }
        }

        #endregion
        #region 저수준 키보드 처리하기 - ProcessLowLevelKeyboard(code, wordParameter, longParameter)

        /// <summary>
        /// 저수준 키보드 처리하기
        /// </summary>
        /// <param name="code">코드</param>
        /// <param name="wordParameter">WORD 매개 변수</param>
        /// <param name="longParameter">LONG 매개 변수</param>
        /// <returns>처리 결과</returns>
        private IntPtr ProcessLowLevelKeyboard(int code, IntPtr wordParameter, IntPtr longParameter)
        {
            if(code >= 0 && wordParameter == (IntPtr)WM_KEYDOWN || wordParameter == (IntPtr)WM_SYSKEYDOWN)
            {
                int vkCode = Marshal.ReadInt32(longParameter);

                KeyPressed?.Invoke(this, ((Keys)vkCode));
            }
            else if(code >= 0 && wordParameter == (IntPtr)WM_KEYUP || wordParameter == (IntPtr)WM_SYSKEYUP)
            {
                int vkCode = Marshal.ReadInt32(longParameter);

                KeyUnpressed?.Invoke(this, ((Keys)vkCode));
            }

            return CallNextHookEx(hookID, code, wordParameter, longParameter);
        }

        #endregion
    }
}

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using System;

using System.Diagnostics;

using System.Runtime.InteropServices;

using System.Windows.Forms;

namespace TestProject

{

/// <summary>

/// 저수준 키보드 후킹

/// </summary>

public class LowLevelKeyboardHook

{

//////////////////////////////////////////////////////////////////////////////////////////////////// Delegate

////////////////////////////////////////////////////////////////////////////////////////// Private

#region 저수준 키보드 대리자 - LowLevelKeyboardDelegate(code, wordParameter, longParameter)

/// <summary>

/// 저수준 키보드 대리자

/// </summary>

/// <param name="code">코드</param>

/// <param name="wordParameter">WORD 매개 변수</param>

/// <param name="longParameter">LONG 매개 변수</param>

/// <returns></returns>

private delegate IntPtr LowLevelKeyboardDelegate(int code, IntPtr wordParameter, IntPtr longParameter);

#endregion

//////////////////////////////////////////////////////////////////////////////////////////////////// Import

////////////////////////////////////////////////////////////////////////////////////////// Static

//////////////////////////////////////////////////////////////////////////////// Private

#region 모듈 핸들 구하기 - GetModuleHandle(moduleName)

/// <summary>

/// 모듈 핸들 구하기

/// </summary>

/// <param name="moduleName">모듈명</param>

/// <returns>모듈 핸들</returns>

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

private static extern IntPtr GetModuleHandle(string moduleName);

#endregion

#region 윈도우즈 후킹 설정하기 (확장) - SetWindowsHookEx(hookType, callback, moduleHandle, threadID)

/// <summary>

/// 윈도우즈 후킹 설정하기 (확장)

/// </summary>

/// <param name="hookType">후킹 타입</param>

/// <param name="callback">콜백 함수</param>

/// <param name="moduleHandle">모듈 핸들</param>

/// <param name="threadID">쓰레드 ID</param>

/// <returns>후킹 ID</returns>

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

private static extern IntPtr SetWindowsHookEx(int hookType, LowLevelKeyboardDelegate callback, IntPtr moduleHandle, uint threadID);

#endregion

#region 다음 후킹 호출하기 (확장) - CallNextHookEx(hookID, code, wordParameter, longParameter)

/// <summary>

/// 다음 후킹 호출하기 (확장)

/// </summary>

/// <param name="hookID">후킹 ID</param>

/// <param name="code">코드</param>

/// <param name="wordParameter">WORD 매개 변수</param>

/// <param name="longParameter">LONG 매개 변수</param>

/// <returns>후킹 ID</returns>

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

private static extern IntPtr CallNextHookEx(IntPtr hookID, int code, IntPtr wordParameter, IntPtr longParameter);

#endregion

#region 윈도우즈 후킹 취소하기 (확장) - UnhookWindowsHookEx(hookID)

/// <summary>

/// 윈도우즈 후킹 취소하기 (확장)

/// </summary>

/// <param name="hookID">후킹 ID</param>

/// <returns>처리 결과</returns>

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

[return: MarshalAs(UnmanagedType.Bool)]

private static extern bool UnhookWindowsHookEx(IntPtr hookID);

#endregion

//////////////////////////////////////////////////////////////////////////////////////////////////// Event

////////////////////////////////////////////////////////////////////////////////////////// Public

#region 키 PRESSED 이벤트 - KeyPressed

/// <summary>

/// 키 PRESSED 이벤트

/// </summary>

public event EventHandler<Keys> KeyPressed;

#endregion

#region 키 UNPRESSED 이벤트 - KeyUnpressed

/// <summary>

/// 키 UNPRESSED 이벤트

/// </summary>

public event EventHandler<Keys> KeyUnpressed;

#endregion

//////////////////////////////////////////////////////////////////////////////////////////////////// Field

////////////////////////////////////////////////////////////////////////////////////////// Private

#region Field

/// <summary>

/// WH_KEYBOARD_LL

/// </summary>

private const int WH_KEYBOARD_LL = 13;

/// <summary>

/// WM_KEYDOWN

/// </summary>

private const int WM_KEYDOWN = 0x0100;

/// <summary>

/// WM_SYSKEYDOWN

/// </summary>

private const int WM_SYSKEYDOWN = 0x0104;

/// <summary>

/// WM_KEYUP

/// </summary>

private const int WM_KEYUP = 0x101;

/// <summary>

/// WM_SYSKEYUP

/// </summary>

private const int WM_SYSKEYUP = 0x105;

/// <summary>

/// 저수준 키보드 대리자

/// </summary>

private LowLevelKeyboardDelegate lowLevelKeyboardDelegate;

/// <summary>

/// 후킹 ID

/// </summary>

private IntPtr hookID = IntPtr.Zero;

#endregion

//////////////////////////////////////////////////////////////////////////////////////////////////// Constructor

////////////////////////////////////////////////////////////////////////////////////////// Public

#region 생성자 - LowLevelKeyboardHook()

/// <summary>

/// 생성자

/// </summary>

public LowLevelKeyboardHook()

{

this.lowLevelKeyboardDelegate = ProcessLowLevelKeyboard;

}

#endregion

//////////////////////////////////////////////////////////////////////////////////////////////////// Method

////////////////////////////////////////////////////////////////////////////////////////// Public

#region 키보드 후킹하기 - HookKeyboard()

/// <summary>

/// 키보드 후킹하기

/// </summary>

public void HookKeyboard()

{

this.hookID = SetHook(this.lowLevelKeyboardDelegate);

}

#endregion

#region 키보드 후킹 취소하기 - UnHookKeyboard()

/// <summary>

/// 키보드 후킹 취소하기

/// </summary>

public void UnHookKeyboard()

{

UnhookWindowsHookEx(this.hookID);

}

#endregion

////////////////////////////////////////////////////////////////////////////////////////// Private

#region 후킹 설정하기 - SetHook(lowLevelKeyboardDelegate)

/// <summary>

/// 후킹 설정하기

/// </summary>

/// <param name="lowLevelKeyboardDelegate">저수준 키보드 대리자</param>

/// <returns>후킹 ID</returns>

private IntPtr SetHook(LowLevelKeyboardDelegate lowLevelKeyboardDelegate)

{

using(Process process = Process.GetCurrentProcess())

{

using(ProcessModule processModule = process.MainModule)

{

return SetWindowsHookEx

(

WH_KEYBOARD_LL,

lowLevelKeyboardDelegate,

GetModuleHandle(processModule.ModuleName),

);

}

#endregion

#region 저수준 키보드 처리하기 - ProcessLowLevelKeyboard(code, wordParameter, longParameter)

/// <summary>

/// 저수준 키보드 처리하기

/// </summary>

/// <param name="code">코드</param>

/// <param name="wordParameter">WORD 매개 변수</param>

/// <param name="longParameter">LONG 매개 변수</param>

/// <returns>처리 결과</returns>

private IntPtr ProcessLowLevelKeyboard(int code, IntPtr wordParameter, IntPtr longParameter)

{

if(code >= 0 && wordParameter == (IntPtr)WM_KEYDOWN || wordParameter == (IntPtr)WM_SYSKEYDOWN)

{

int vkCode = Marshal.ReadInt32(longParameter);

KeyPressed?.Invoke(this, ((Keys)vkCode));

}

else if(code >= 0 && wordParameter == (IntPtr)WM_KEYUP || wordParameter == (IntPtr)WM_SYSKEYUP)

{

int vkCode = Marshal.ReadInt32(longParameter);

KeyUnpressed?.Invoke(this, ((Keys)vkCode));

}

return CallNextHookEx(hookID, code, wordParameter, longParameter);

}

#endregion

}

▶ MainForm.cs


using System.Windows.Forms;

namespace TestProject
{
    /// <summary>
    /// 메인 폼
    /// </summary>
    public partial class MainForm : Form
    {
        //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor
        ////////////////////////////////////////////////////////////////////////////////////////// Public

        #region 생성자 - MainForm()

        /// <summary>
        /// 생성자
        /// </summary>
        public MainForm()
        {
            InitializeComponent();
        }

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Method
        ////////////////////////////////////////////////////////////////////////////////////////// Public

        #region 메시지 표시하기 - DisplayMessage(keys)

        /// <summary>
        /// 메시지 표시하기
        /// </summary>
        /// <param name="keys">키</param>
        public void DisplayMessage(Keys keys)
        {
            this.messageLabel.Text = keys.ToString();
        }

        #endregion
    }
}

using System.Windows.Forms;

namespace TestProject

{

/// <summary>

/// 메인 폼

/// </summary>

public partial class MainForm : Form

{

//////////////////////////////////////////////////////////////////////////////////////////////////// Constructor

////////////////////////////////////////////////////////////////////////////////////////// Public

#region 생성자 - MainForm()

/// <summary>

/// 생성자

/// </summary>

public MainForm()

{

InitializeComponent();

}

#endregion

//////////////////////////////////////////////////////////////////////////////////////////////////// Method

////////////////////////////////////////////////////////////////////////////////////////// Public

#region 메시지 표시하기 - DisplayMessage(keys)

/// <summary>

/// 메시지 표시하기

/// </summary>

/// <param name="keys">키</param>

public void DisplayMessage(Keys keys)

{

this.messageLabel.Text = keys.ToString();

}

#endregion

}

▶ Program.cs


using System;
using System.Windows.Forms;

namespace TestProject
{
    /// <summary>
    /// 프로그램
    /// </summary>
    class Program
    {
        //////////////////////////////////////////////////////////////////////////////////////////////////// Method
        ////////////////////////////////////////////////////////////////////////////////////////// Static
        //////////////////////////////////////////////////////////////////////////////// Private

        #region 프로그램 시작하기 - Main()

        /// <summary>
        /// 프로그램 시작하기
        /// </summary>
        [STAThread]
        private static void Main()
        {
            Application.EnableVisualStyles();
            Application.SetCompatibleTextRenderingDefault(false);

            MainForm mainForm = new MainForm();

            LowLevelKeyboardHook keyboardHook = new LowLevelKeyboardHook();

            keyboardHook.KeyPressed += (sender, e) => mainForm.DisplayMessage(e);

            keyboardHook.HookKeyboard();

            Application.Run(mainForm);

            keyboardHook.UnHookKeyboard();
        }

        #endregion
    }
}

using System;

using System.Windows.Forms;

namespace TestProject

{

/// <summary>

/// 프로그램

/// </summary>

class Program

{

//////////////////////////////////////////////////////////////////////////////////////////////////// Method

////////////////////////////////////////////////////////////////////////////////////////// Static

//////////////////////////////////////////////////////////////////////////////// Private

#region 프로그램 시작하기 - Main()

/// <summary>

/// 프로그램 시작하기

/// </summary>

[STAThread]

private static void Main()

{

Application.EnableVisualStyles();

Application.SetCompatibleTextRenderingDefault(false);

MainForm mainForm = new MainForm();

LowLevelKeyboardHook keyboardHook = new LowLevelKeyboardHook();

keyboardHook.KeyPressed += (sender, e) => mainForm.DisplayMessage(e);

keyboardHook.HookKeyboard();

Application.Run(mainForm);

keyboardHook.UnHookKeyboard();

}

#endregion

}

TestProject.zip

[C#/WPF] RegisterHotKey/UnregisterHotKey API 함수를 사용해 전역 핫키 사용하기

■ RegisterHotKey/UnregisterHotKey API 함수를 사용해 전역 핫키를 사용하는 방법을 보여준다. ▶ MainWindow.xaml


<Window x:Class="TestProject.MainWindow"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    Width="800"
    Height="600"
    Title="RegisterHotKey/UnregisterHotKey API 함수를 사용해 전역 핫키 사용하기"
    FontFamily="나눔고딕코딩"
    FontSize="16">
    <Grid>
        <TextBlock Name="textBlock" />
    </Grid>
</Window>

<Window x:Class="TestProject.MainWindow"

xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"

xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"

Width="800"

Height="600"

Title="RegisterHotKey/UnregisterHotKey API 함수를 사용해 전역 핫키 사용하기"

FontFamily="나눔고딕코딩"

FontSize="16">

<Grid>

</Grid>

</Window>

▶ MainWindow.xaml.cs


using System;
using System.Runtime.InteropServices;
using System.Windows;
using System.Windows.Interop;

namespace TestProject
{
    /// <summary>
    /// 메인 윈도우
    /// </summary>
    public partial class MainWindow : Window
    {
        //////////////////////////////////////////////////////////////////////////////////////////////////// Import
        ////////////////////////////////////////////////////////////////////////////////////////// Static
        //////////////////////////////////////////////////////////////////////////////// Private

        #region 핫키 등록하기 - RegisterHotKey(windowHandle, id, modifiers, virtualKey)

        /// <summary>
        /// 핫키 등록하기
        /// </summary>
        /// <param name="windowHandle">윈도우 핸들</param>
        /// <param name="id">ID</param>
        /// <param name="modifiers">수정자</param>
        /// <param name="virtualKey">가상 키</param>
        /// <returns>처리 결과</returns>
        [DllImport("user32")]
        private static extern bool RegisterHotKey(IntPtr windowHandle, int id, uint modifiers, uint virtualKey);

        #endregion
        #region 핫키 등록 취소하기 - UnregisterHotKey(windowHandle, id)

        /// <summary>
        /// 핫키 등록 취소하기
        /// </summary>
        /// <param name="windowHandle">윈도우 핸들</param>
        /// <param name="id">ID</param>
        /// <returns>처리 결과</returns>
        [DllImport("user32")]
        private static extern bool UnregisterHotKey(IntPtr windowHandle, int id);

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Field
        ////////////////////////////////////////////////////////////////////////////////////////// Private

        #region Field

        /// <summary>
        /// HOTKEY_ID
        /// </summary>
        private const int HOTKEY_ID = 9000;

        /// <summary>
        /// MODIFIER_NONE
        /// </summary>
        private const uint MODIFIER_NONE = 0x0000;

        /// <summary>
        /// MODIFIER_ALT
        /// </summary>
        private const uint MODIFIER_ALT = 0x0001;

        /// <summary>
        /// MODIFIER_CONTROL
        /// </summary>
        private const uint MODIFIER_CONTROL = 0x0002;

        /// <summary>
        /// MODIFIER_SHIFT
        /// </summary>
        private const uint MODIFIER_SHIFT = 0x0004;

        /// <summary>
        /// MODIFIER_WINDOWS
        /// </summary>
        private const uint MODIFIER_WINDOWS = 0x0008;

        /// <summary>
        /// VK_CAPITAL
        /// </summary>
        /// <remarks>CAPS LOCK</remarks>
        private const uint VK_CAPITAL = 0x14;

        /// <summary>
        /// WM_HOTKEY
        /// </summary>
        private const int WM_HOTKEY = 0x0312;

        /// <summary>
        /// 윈도우 핸들
        /// </summary>
        private IntPtr windowHandle;

        /// <summary>
        /// 윈도우 핸들 소스
        /// </summary>
        private HwndSource windowHandleSource;

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor
        ////////////////////////////////////////////////////////////////////////////////////////// Public

        #region 생성자 - MainWindow()

        /// <summary>
        /// 생성자
        /// </summary>
        public MainWindow()
        {
            InitializeComponent();
        }

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor
        ////////////////////////////////////////////////////////////////////////////////////////// Protected

        #region 소스 초기화시 처리하기 - OnSourceInitialized(e)

        /// <summary>
        /// 소스 초기화시 처리하기
        /// </summary>
        /// <param name="e">이벤트 발생자</param>
        protected override void OnSourceInitialized(EventArgs e)
        {
            base.OnSourceInitialized(e);

            this.windowHandle = new WindowInteropHelper(this).Handle;

            this.windowHandleSource = HwndSource.FromHwnd(this.windowHandle);

            this.windowHandleSource.AddHook(ProcessWindowHandleHooking);

            RegisterHotKey(this.windowHandle, HOTKEY_ID, MODIFIER_CONTROL, VK_CAPITAL);
        }

        #endregion
        #region 종료시 처리하기 - OnClosed(e)

        /// <summary>
        /// 종료시 처리하기
        /// </summary>
        /// <param name="e">이벤트 인자</param>
        protected override void OnClosed(EventArgs e)
        {
            this.windowHandleSource.RemoveHook(ProcessWindowHandleHooking);

            UnregisterHotKey(this.windowHandle, HOTKEY_ID);

            base.OnClosed(e);
        }

        #endregion

        ////////////////////////////////////////////////////////////////////////////////////////// Public

        #region 윈도우 핸들 후킹 처리하기 - ProcessWindowHandleHooking(windowHandle, message, wordParameter, longParameter, handled)

        /// <summary>
        /// 윈도우 핸들 후킹 처리하기
        /// </summary>
        /// <param name="windowHandle">윈도우 핸들</param>
        /// <param name="message">메시지</param>
        /// <param name="wordParameter">WORD 매개 변수</param>
        /// <param name="longParameter">LONG 매개 변수</param>
        /// <param name="handled">처리 여부</param>
        /// <returns>처리 결과</returns>
        private IntPtr ProcessWindowHandleHooking(IntPtr windowHandle, int message, IntPtr wordParameter, IntPtr longParameter, ref bool handled)
        {
            switch(message)
            {
                case WM_HOTKEY :

                    switch(wordParameter.ToInt32())
                    {
                        case HOTKEY_ID :

                            int virtualKey = (((int)longParameter >> 16) & 0xffff);

                            if(virtualKey == VK_CAPITAL)
                            {
                                this.textBlock.Text += "CTRL+CAPS 키가 눌렸습니다." + Environment.NewLine;
                            }

                            handled = true;

                            break;
                    }

                    break;
            }

            return IntPtr.Zero;
        }

        #endregion
    }
}

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using System;

using System.Runtime.InteropServices;

using System.Windows;

using System.Windows.Interop;

namespace TestProject

{

/// <summary>

/// 메인 윈도우

/// </summary>

public partial class MainWindow : Window

{

//////////////////////////////////////////////////////////////////////////////////////////////////// Import

////////////////////////////////////////////////////////////////////////////////////////// Static

//////////////////////////////////////////////////////////////////////////////// Private

#region 핫키 등록하기 - RegisterHotKey(windowHandle, id, modifiers, virtualKey)

/// <summary>

/// 핫키 등록하기

/// </summary>

/// <param name="windowHandle">윈도우 핸들</param>

/// <param name="id">ID</param>

/// <param name="modifiers">수정자</param>

/// <param name="virtualKey">가상 키</param>

/// <returns>처리 결과</returns>

[DllImport("user32")]

private static extern bool RegisterHotKey(IntPtr windowHandle, int id, uint modifiers, uint virtualKey);

#endregion

#region 핫키 등록 취소하기 - UnregisterHotKey(windowHandle, id)

/// <summary>

/// 핫키 등록 취소하기

/// </summary>

/// <param name="windowHandle">윈도우 핸들</param>

/// <param name="id">ID</param>

/// <returns>처리 결과</returns>

[DllImport("user32")]

private static extern bool UnregisterHotKey(IntPtr windowHandle, int id);

#endregion

//////////////////////////////////////////////////////////////////////////////////////////////////// Field

////////////////////////////////////////////////////////////////////////////////////////// Private

#region Field

/// <summary>

/// HOTKEY_ID

/// </summary>

private const int HOTKEY_ID = 9000;

/// <summary>

/// MODIFIER_NONE

/// </summary>

private const uint MODIFIER_NONE = 0x0000;

/// <summary>

/// MODIFIER_ALT

/// </summary>

private const uint MODIFIER_ALT = 0x0001;

/// <summary>

/// MODIFIER_CONTROL

/// </summary>

private const uint MODIFIER_CONTROL = 0x0002;

/// <summary>

/// MODIFIER_SHIFT

/// </summary>

private const uint MODIFIER_SHIFT = 0x0004;

/// <summary>

/// MODIFIER_WINDOWS

/// </summary>

private const uint MODIFIER_WINDOWS = 0x0008;

/// <summary>

/// VK_CAPITAL

/// </summary>

/// <remarks>CAPS LOCK</remarks>

private const uint VK_CAPITAL = 0x14;

/// <summary>

/// WM_HOTKEY

/// </summary>

private const int WM_HOTKEY = 0x0312;

/// <summary>

/// 윈도우 핸들

/// </summary>

private IntPtr windowHandle;

/// <summary>

/// 윈도우 핸들 소스

/// </summary>

private HwndSource windowHandleSource;

#endregion

//////////////////////////////////////////////////////////////////////////////////////////////////// Constructor

////////////////////////////////////////////////////////////////////////////////////////// Public

#region 생성자 - MainWindow()

/// <summary>

/// 생성자

/// </summary>

public MainWindow()

{

InitializeComponent();

}

#endregion

//////////////////////////////////////////////////////////////////////////////////////////////////// Constructor

////////////////////////////////////////////////////////////////////////////////////////// Protected

#region 소스 초기화시 처리하기 - OnSourceInitialized(e)

/// <summary>

/// 소스 초기화시 처리하기

/// </summary>

/// <param name="e">이벤트 발생자</param>

protected override void OnSourceInitialized(EventArgs e)

{

base.OnSourceInitialized(e);

this.windowHandle = new WindowInteropHelper(this).Handle;

this.windowHandleSource = HwndSource.FromHwnd(this.windowHandle);

this.windowHandleSource.AddHook(ProcessWindowHandleHooking);

RegisterHotKey(this.windowHandle, HOTKEY_ID, MODIFIER_CONTROL, VK_CAPITAL);

}

#endregion

#region 종료시 처리하기 - OnClosed(e)

/// <summary>

/// 종료시 처리하기

/// </summary>

/// <param name="e">이벤트 인자</param>

protected override void OnClosed(EventArgs e)

{

this.windowHandleSource.RemoveHook(ProcessWindowHandleHooking);

UnregisterHotKey(this.windowHandle, HOTKEY_ID);

base.OnClosed(e);

}

#endregion

////////////////////////////////////////////////////////////////////////////////////////// Public

#region 윈도우 핸들 후킹 처리하기 - ProcessWindowHandleHooking(windowHandle, message, wordParameter, longParameter, handled)

/// <summary>

/// 윈도우 핸들 후킹 처리하기

/// </summary>

/// <param name="windowHandle">윈도우 핸들</param>

/// <param name="message">메시지</param>

/// <param name="wordParameter">WORD 매개 변수</param>

/// <param name="longParameter">LONG 매개 변수</param>

/// <param name="handled">처리 여부</param>

/// <returns>처리 결과</returns>

private IntPtr ProcessWindowHandleHooking(IntPtr windowHandle, int message, IntPtr wordParameter, IntPtr longParameter, ref bool handled)

{

switch(message)

{

case WM_HOTKEY :

switch(wordParameter.ToInt32())

{

case HOTKEY_ID :

int virtualKey = (((int)longParameter >> 16) & 0xffff);

if(virtualKey == VK_CAPITAL)

{

this.textBlock.Text += "CTRL+CAPS 키가 눌렸습니다." + Environment.NewLine;

}

handled = true;

break;

}

break;

}

return IntPtr.Zero;

}

#endregion

}

TestProject.zip

[C#/WINFORM] 마우스/키보드 후킹하기

■ 마우스/키보드를 후킹하는 방법을 보여준다. [TestLibrary 프로젝트] ▶ BlockingQueue.cs


using System.Collections.Generic;
using System.Threading;

namespace TestLibrary
{
    /// <summary>
    /// 차단 큐
    /// </summary>
    /// <typeparam name="TItem">항목 타입</typeparam>
    internal class BlockingQueue<TItem>
    {
        //////////////////////////////////////////////////////////////////////////////////////////////////// Field
        ////////////////////////////////////////////////////////////////////////////////////////// Private

        #region Field

        /// <summary>
        /// 큐
        /// </summary>
        private Queue<TItem> queue = new Queue<TItem>();

        /// <summary>
        /// 세마포어
        /// </summary>
        private Semaphore semaphore = new Semaphore(0, int.MaxValue);

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Method
        ////////////////////////////////////////////////////////////////////////////////////////// Public

        #region 큐에 넣기 - Enqueue(item)

        /// <summary>
        /// 큐에 넣기
        /// </summary>
        /// <param name="item">항목</param>
        public void Enqueue(TItem item)
        {
            lock(this.queue)
            {
                this.queue.Enqueue(item);
            }

            this.semaphore.Release();
        }

        #endregion
        #region 큐에서 꺼내기 - Dequeue()

        /// <summary>
        /// 큐에서 꺼내기
        /// </summary>
        /// <returns>항목</returns>
        public TItem Dequeue()
        {
            this.semaphore.WaitOne();

            lock(this.queue)
            {
                return this.queue.Dequeue();
            }
        }

        #endregion
    }
}

using System.Collections.Generic;

using System.Threading;

namespace TestLibrary

{

/// <summary>

/// 차단 큐

/// </summary>

/// <typeparam name="TItem">항목 타입</typeparam>

internal class BlockingQueue<TItem>

{

//////////////////////////////////////////////////////////////////////////////////////////////////// Field

////////////////////////////////////////////////////////////////////////////////////////// Private

#region Field

/// <summary>

/// 큐

/// </summary>

private Queue<TItem> queue = new Queue<TItem>();

/// <summary>

/// 세마포어

/// </summary>

private Semaphore semaphore = new Semaphore(0, int.MaxValue);

#endregion

//////////////////////////////////////////////////////////////////////////////////////////////////// Method

////////////////////////////////////////////////////////////////////////////////////////// Public

#region 큐에 넣기 - Enqueue(item)

/// <summary>

/// 큐에 넣기

/// </summary>

/// <param name="item">항목</param>

public void Enqueue(TItem item)

{

lock(this.queue)

{

this.queue.Enqueue(item);

}

this.semaphore.Release();

}

#endregion

#region 큐에서 꺼내기 - Dequeue()

/// <summary>

/// 큐에서 꺼내기

/// </summary>

/// <returns>항목</returns>

public TItem Dequeue()

{

this.semaphore.WaitOne();

lock(this.queue)

{

return this.queue.Dequeue();

}

#endregion

}

▶ MouseHookEventArgs.cs


using System;
using System.Runtime.InteropServices;

namespace TestLibrary
{
    /// <summary>
    /// 마우스 후킹 이벤트 인자
    /// </summary>
    public class MouseHookEventArgs : EventArgs
    {
        //////////////////////////////////////////////////////////////////////////////////////////////////// Enumeration
        ////////////////////////////////////////////////////////////////////////////////////////// Public

        #region 윈도우 메시지 - WindowMessage

        /// <summary>
        /// 윈도우 메시지
        /// </summary>
        [Serializable]
        public enum WindowMessage
        {
            /// <summary>
            /// WM_LBUTTONDOWN
            /// </summary>
            WM_LBUTTONDOWN = 0x0201,

            /// <summary>
            /// WM_LBUTTONUP
            /// </summary>
            WM_LBUTTONUP = 0x0202,

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

            /// <summary>
            /// WM_MOUSEWHEEL
            /// </summary>
            WM_MOUSEWHEEL = 0x020A,

            /// <summary>
            /// WM_MOUSEHWHEEL
            /// </summary>
            WM_MOUSEHWHEEL = 0x020E,

            /// <summary>
            /// WM_RBUTTONDOWN
            /// </summary>
            WM_RBUTTONDOWN = 0x0204,

            /// <summary>
            /// WM_RBUTTONUP
            /// </summary>
            WM_RBUTTONUP = 0x0205,

            /// <summary>
            /// WM_MBUTTONDOWN
            /// </summary>
            WM_MBUTTONDOWN = 0x0207,

            /// <summary>
            /// WM_MBUTTONUP
            /// </summary>
            WM_MBUTTONUP = 0x0208
        };

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Property
        ////////////////////////////////////////////////////////////////////////////////////////// Public

        #region 메시지 - Message

        /// <summary>
        /// 메시지
        /// </summary>
        public WindowMessage Message { get; set; }

        #endregion
        #region 데이터 - Data

        /// <summary>
        /// 데이터
        /// </summary>
        public WIN32Helper.MSLLHOOKSTRUCT Data { get; set; }

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor
        ////////////////////////////////////////////////////////////////////////////////////////// Internal

        #region 생성자 - MouseHookEventArgs(wordParameter, longParameter)

        /// <summary>
        /// 생성자
        /// </summary>
        /// <param name="wordParameter">WORD 매개 변수</param>
        /// <param name="longParameter">LONG 매개 변수</param>
        internal MouseHookEventArgs(IntPtr wordParameter, IntPtr longParameter)
        {
            WIN32Helper.MSLLHOOKSTRUCT data = (WIN32Helper.MSLLHOOKSTRUCT)Marshal.PtrToStructure
            (
                longParameter,
                typeof(WIN32Helper.MSLLHOOKSTRUCT)
            );

            Message = (WindowMessage)wordParameter;
            Data    = data;
        }

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Method
        ////////////////////////////////////////////////////////////////////////////////////////// Public

        #region 문자열 구하기 - ToString()

        /// <summary>
        /// 문자열 구하기
        /// </summary>
        /// <returns>문자열</returns>
        public override string ToString()
        {
            return string.Format
            (
                "Time : {0}, Message : {1}, Point : ({2},{3})",
                Data.Time,
                Message,
                Data.Point.X,
                Data.Point.Y
            );
        }

        #endregion
    }
}

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using System;

using System.Runtime.InteropServices;

namespace TestLibrary

{

/// <summary>

/// 마우스 후킹 이벤트 인자

/// </summary>

public class MouseHookEventArgs : EventArgs

{

//////////////////////////////////////////////////////////////////////////////////////////////////// Enumeration

////////////////////////////////////////////////////////////////////////////////////////// Public

#region 윈도우 메시지 - WindowMessage

/// <summary>

/// 윈도우 메시지

/// </summary>

[Serializable]

public enum WindowMessage

{

/// <summary>

/// WM_LBUTTONDOWN

/// </summary>

WM_LBUTTONDOWN = 0x0201,

/// <summary>

/// WM_LBUTTONUP

/// </summary>

WM_LBUTTONUP = 0x0202,

/// <summary>

/// WM_MOUSEMOVE

/// </summary>

WM_MOUSEMOVE = 0x0200,

/// <summary>

/// WM_MOUSEWHEEL

/// </summary>

WM_MOUSEWHEEL = 0x020A,

/// <summary>

/// WM_MOUSEHWHEEL

/// </summary>

WM_MOUSEHWHEEL = 0x020E,

/// <summary>

/// WM_RBUTTONDOWN

/// </summary>

WM_RBUTTONDOWN = 0x0204,

/// <summary>

/// WM_RBUTTONUP

/// </summary>

WM_RBUTTONUP = 0x0205,

/// <summary>

/// WM_MBUTTONDOWN

/// </summary>

WM_MBUTTONDOWN = 0x0207,

/// <summary>

/// WM_MBUTTONUP

/// </summary>

WM_MBUTTONUP = 0x0208

};

#endregion

//////////////////////////////////////////////////////////////////////////////////////////////////// Property

////////////////////////////////////////////////////////////////////////////////////////// Public

#region 메시지 - Message

/// <summary>

/// 메시지

/// </summary>

public WindowMessage Message { get; set; }

#endregion

#region 데이터 - Data

/// <summary>

/// 데이터

/// </summary>

public WIN32Helper.MSLLHOOKSTRUCT Data { get; set; }

#endregion

//////////////////////////////////////////////////////////////////////////////////////////////////// Constructor

////////////////////////////////////////////////////////////////////////////////////////// Internal

#region 생성자 - MouseHookEventArgs(wordParameter, longParameter)

/// <summary>

/// 생성자

/// </summary>

/// <param name="wordParameter">WORD 매개 변수</param>

/// <param name="longParameter">LONG 매개 변수</param>

internal MouseHookEventArgs(IntPtr wordParameter, IntPtr longParameter)

{

WIN32Helper.MSLLHOOKSTRUCT data = (WIN32Helper.MSLLHOOKSTRUCT)Marshal.PtrToStructure

(

longParameter,

typeof(WIN32Helper.MSLLHOOKSTRUCT)

);

Message = (WindowMessage)wordParameter;

Data = data;

}

#endregion

//////////////////////////////////////////////////////////////////////////////////////////////////// Method

////////////////////////////////////////////////////////////////////////////////////////// Public

#region 문자열 구하기 - ToString()

/// <summary>

/// 문자열 구하기

/// </summary>

/// <returns>문자열</returns>

public override string ToString()

{

return string.Format

(

"Time : {0}, Message : {1}, Point : ({2},{3})",

Data.Time,

Message,

Data.Point.X,

Data.Point.Y

);

}

#endregion

}

▶ KeyboardHookEventArgs.cs


using System;
using System.Runtime.InteropServices;

namespace TestLibrary
{
    /// <summary>
    /// 키보드 후킹 이벤트 인자
    /// </summary>
    public class KeyboardHookEventArgs : EventArgs
    {
        //////////////////////////////////////////////////////////////////////////////////////////////////// Enumeration
        ////////////////////////////////////////////////////////////////////////////////////////// Public

        #region 윈도우 메시지 - WindowMessage

        /// <summary>
        /// 윈도우 메시지
        /// </summary>
        [Serializable]
        public enum WindowMessage
        {
            /// <summary>
            /// WM_KEYDOWN
            /// </summary>
            WM_KEYDOWN = 0x0100,

            /// <summary>
            /// WM_KEYUP
            /// </summary>
            WM_KEYUP = 0x0101,

            /// <summary>
            /// WM_SYSKEYDOWN
            /// </summary>
            WM_SYSKEYDOWN = 0x0104,

            /// <summary>
            /// WM_SYSKEYUP
            /// </summary>
            WM_SYSKEYUP = 0x0105
        };

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Property
        ////////////////////////////////////////////////////////////////////////////////////////// Public

        #region 메시지 - Message

        /// <summary>
        /// 메시지
        /// </summary>
        public WindowMessage Message { get; set; }

        #endregion
        #region 데이터 - Data

        /// <summary>
        /// 데이터
        /// </summary>
        public WIN32Helper.KBDLLHOOKSTRUCT Data { get; set; }

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor
        ////////////////////////////////////////////////////////////////////////////////////////// Internal

        #region 생성자 - KeyboardHookEventArgs(wordParameter, longParameter)

        /// <summary>
        /// 생성자
        /// </summary>
        /// <param name="wordParameter">WORD 매개 변수</param>
        /// <param name="longParameter">LONG 매개 변수</param>
        internal KeyboardHookEventArgs(IntPtr wordParameter, IntPtr longParameter)
        {
            WIN32Helper.KBDLLHOOKSTRUCT data = (WIN32Helper.KBDLLHOOKSTRUCT)Marshal.PtrToStructure
            (
                longParameter,
                typeof(WIN32Helper.KBDLLHOOKSTRUCT)
            );

            Message = (WindowMessage)wordParameter;
            Data    = data;
        }

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Method
        ////////////////////////////////////////////////////////////////////////////////////////// Public

        #region 문자열 구하기 - ToString()

        /// <summary>
        /// 문자열 구하기
        /// </summary>
        /// <returns>문자열</returns>
        public override string ToString()
        {
            return string.Format
            (
                "Time : {0}, Message : {1}, VirtualKeyCode : {2}, ScanCode : {3}",
                Data.Time,
                Message,
                Data.VirtualKeyCode,
                Data.ScanCode
            );
        }

        #endregion
    }
}

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using System;

using System.Runtime.InteropServices;

namespace TestLibrary

{

/// <summary>

/// 키보드 후킹 이벤트 인자

/// </summary>

public class KeyboardHookEventArgs : EventArgs

{

//////////////////////////////////////////////////////////////////////////////////////////////////// Enumeration

////////////////////////////////////////////////////////////////////////////////////////// Public

#region 윈도우 메시지 - WindowMessage

/// <summary>

/// 윈도우 메시지

/// </summary>

[Serializable]

public enum WindowMessage

{

/// <summary>

/// WM_KEYDOWN

/// </summary>

WM_KEYDOWN = 0x0100,

/// <summary>

/// WM_KEYUP

/// </summary>

WM_KEYUP = 0x0101,

/// <summary>

/// WM_SYSKEYDOWN

/// </summary>

WM_SYSKEYDOWN = 0x0104,

/// <summary>

/// WM_SYSKEYUP

/// </summary>

WM_SYSKEYUP = 0x0105

};

#endregion

//////////////////////////////////////////////////////////////////////////////////////////////////// Property

////////////////////////////////////////////////////////////////////////////////////////// Public

#region 메시지 - Message

/// <summary>

/// 메시지

/// </summary>

public WindowMessage Message { get; set; }

#endregion

#region 데이터 - Data

/// <summary>

/// 데이터

/// </summary>

public WIN32Helper.KBDLLHOOKSTRUCT Data { get; set; }

#endregion

//////////////////////////////////////////////////////////////////////////////////////////////////// Constructor

////////////////////////////////////////////////////////////////////////////////////////// Internal

#region 생성자 - KeyboardHookEventArgs(wordParameter, longParameter)

/// <summary>

/// 생성자

/// </summary>

/// <param name="wordParameter">WORD 매개 변수</param>

/// <param name="longParameter">LONG 매개 변수</param>

internal KeyboardHookEventArgs(IntPtr wordParameter, IntPtr longParameter)

{

WIN32Helper.KBDLLHOOKSTRUCT data = (WIN32Helper.KBDLLHOOKSTRUCT)Marshal.PtrToStructure

(

longParameter,

typeof(WIN32Helper.KBDLLHOOKSTRUCT)

);

Message = (WindowMessage)wordParameter;

Data = data;

}

#endregion

//////////////////////////////////////////////////////////////////////////////////////////////////// Method

////////////////////////////////////////////////////////////////////////////////////////// Public

#region 문자열 구하기 - ToString()

/// <summary>

/// 문자열 구하기

/// </summary>

/// <returns>문자열</returns>

public override string ToString()

{

return string.Format

(

"Time : {0}, Message : {1}, VirtualKeyCode : {2}, ScanCode : {3}",

Data.Time,

Message,

Data.VirtualKeyCode,

Data.ScanCode

);

}

#endregion

}

▶ WIN32Helper.cs


using System;
using System.Runtime.InteropServices;

namespace TestLibrary
{
    /// <summary>
    /// WIN32 헬퍼
    /// </summary>
    public sealed class WIN32Helper
    {
        //////////////////////////////////////////////////////////////////////////////////////////////////// Import
        ////////////////////////////////////////////////////////////////////////////////////////// Static
        //////////////////////////////////////////////////////////////////////////////// Internal

        #region 확장 윈도우 후킹 설정하기 - SetWindowsHookEx(hookID, hookDelegate, instanceHandle, threadID)

        /// <summary>
        /// 확장 윈도우 후킹 설정하기
        /// </summary>
        /// <param name="hookID">후킹 ID</param>
        /// <param name="hookDelegate">후킹 대리자</param>
        /// <param name="instanceHandle">인스턴스 핸들</param>
        /// <param name="threadID">쓰레드 ID</param>
        /// <returns>처리 결과</returns>
        [DllImport("user32.dll", CharSet = CharSet.Auto, CallingConvention = CallingConvention.StdCall)]
        internal static extern int SetWindowsHookEx(int hookID, HookDelegate hookDelegate, IntPtr instanceHandle, int threadID);

        #endregion
        #region 확장 윈도우 후킹 설정 취소하기 - UnhookWindowsHookEx(hookID)

        /// <summary>
        /// 확장 윈도우 후킹 설정 취소하기
        /// </summary>
        /// <param name="hookID">후킹 ID</param>
        /// <returns>처리 결과</returns>
        [DllImport("user32.dll", CharSet = CharSet.Auto, CallingConvention = CallingConvention.StdCall)]
        internal static extern bool UnhookWindowsHookEx(int hookID);

        #endregion
        #region 확장 다음 후킹 호출하기 - CallNextHookEx(hookID, code, wordParameter, longParameter)

        /// <summary>
        /// 확장 다음 후킹 호출하기
        /// </summary>
        /// <param name="hookID">후킹 ID</param>
        /// <param name="code">코드</param>
        /// <param name="wordParameter">WORD 매개 변수</param>
        /// <param name="longParameter">LONG 매개 변수</param>
        /// <returns>처리 결과</returns>
        [DllImport("user32.dll", CharSet = CharSet.Auto, CallingConvention = CallingConvention.StdCall)]
        internal static extern int CallNextHookEx(int hookID, int code, IntPtr wordParameter, IntPtr longParameter);

        #endregion
        #region 모듈 핸들 구하기 - GetModuleHandle(moduleName)

        /// <summary>
        /// 모듈 핸들 구하기
        /// </summary>
        /// <param name="moduleName">모듈명</param>
        /// <returns>모듈 핸들</returns>
        [DllImport("kernel32.dll", CharSet = CharSet.Auto)]
        internal static extern IntPtr GetModuleHandle(string moduleName);

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Delegate
        ////////////////////////////////////////////////////////////////////////////////////////// Internal

        #region 후킹 대리자 - HookDelegate(code, wordParameter, longParameter)

        /// <summary>
        /// 후킹 대리자
        /// </summary>
        /// <param name="code">코드</param>
        /// <param name="wordParameter">WORD 매개 변수</param>
        /// <param name="longParameter">LONG 매개 변수</param>
        /// <returns>처리 결과</returns>
        internal delegate int HookDelegate(int code, IntPtr wordParameter, IntPtr longParameter);

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Structure
        ////////////////////////////////////////////////////////////////////////////////////////// Public

        #region 포인트 - POINT

        /// <summary>
        /// 포인트
        /// </summary>
        [StructLayout(LayoutKind.Sequential), Serializable()]
        public struct POINT
        {
            //////////////////////////////////////////////////////////////////////////////////////////////////// Field
            ////////////////////////////////////////////////////////////////////////////////////////// Public

            #region Field

            /// <summary>
            /// X
            /// </summary>
            public uint X;

            /// <summary>
            /// Y
            /// </summary>
            public uint Y;

            #endregion
        }

        #endregion
        #region 키보드 하위 레벨 후킹 구조체 - KBDLLHOOKSTRUCT

        /// <summary>
        /// 키보드 하위 레벨 후킹 구조체
        /// </summary>
        [StructLayout(LayoutKind.Sequential), Serializable()]
        public struct KBDLLHOOKSTRUCT
        {
            //////////////////////////////////////////////////////////////////////////////////////////////////// Field
            ////////////////////////////////////////////////////////////////////////////////////////// Public

            #region Field

            /// <summary>
            /// 가상 키 코드
            /// </summary>
            public int VirtualKeyCode;

            /// <summary>
            /// 스캔 코드
            /// </summary>
            public int ScanCode;

            /// <summary>
            /// 플래그
            /// </summary>
            public int Flag;

            /// <summary>
            /// 시간
            /// </summary>
            public int Time;

            /// <summary>
            /// 부가 정보
            /// </summary>
            public IntPtr ExtraInformation;

            #endregion
        }

        #endregion
        #region 마우스 하위 레벨 후킹 구조체 - MSLLHOOKSTRUCT

        /// <summary>
        /// 마우스 하위 레벨 후킹 구조체
        /// </summary>
        [StructLayout(LayoutKind.Sequential), Serializable()]
        public struct MSLLHOOKSTRUCT
        {
            //////////////////////////////////////////////////////////////////////////////////////////////////// Field
            ////////////////////////////////////////////////////////////////////////////////////////// Public

            #region Field

            /// <summary>
            /// 포인트
            /// </summary>
            public POINT Point;

            /// <summary>
            /// 마우스 데이터
            /// </summary>
            public uint MouseData;

            /// <summary>
            /// 플래그
            /// </summary>
            public int Flag;

            /// <summary>
            /// 시간
            /// </summary>
            public int Time;

            /// <summary>
            /// 부가 정보
            /// </summary>
            public IntPtr ExtraInformation;

            #endregion
        }

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Field
        ////////////////////////////////////////////////////////////////////////////////////////// Internal

        #region Field

        /// <summary>
        /// WH_KEYBOARD_LL
        /// </summary>
        internal const int WH_KEYBOARD_LL = 13;

        /// <summary>
        /// WH_MOUSE_LL
        /// </summary>
        internal const int WH_MOUSE_LL = 14;

        #endregion
    }
}

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using System;

using System.Runtime.InteropServices;

namespace TestLibrary

{

/// <summary>

/// WIN32 헬퍼

/// </summary>

public sealed class WIN32Helper

{

//////////////////////////////////////////////////////////////////////////////////////////////////// Import

////////////////////////////////////////////////////////////////////////////////////////// Static

//////////////////////////////////////////////////////////////////////////////// Internal

#region 확장 윈도우 후킹 설정하기 - SetWindowsHookEx(hookID, hookDelegate, instanceHandle, threadID)

/// <summary>

/// 확장 윈도우 후킹 설정하기

/// </summary>

/// <param name="hookID">후킹 ID</param>

/// <param name="hookDelegate">후킹 대리자</param>

/// <param name="instanceHandle">인스턴스 핸들</param>

/// <param name="threadID">쓰레드 ID</param>

/// <returns>처리 결과</returns>

[DllImport("user32.dll", CharSet = CharSet.Auto, CallingConvention = CallingConvention.StdCall)]

internal static extern int SetWindowsHookEx(int hookID, HookDelegate hookDelegate, IntPtr instanceHandle, int threadID);

#endregion

#region 확장 윈도우 후킹 설정 취소하기 - UnhookWindowsHookEx(hookID)

/// <summary>

/// 확장 윈도우 후킹 설정 취소하기

/// </summary>

/// <param name="hookID">후킹 ID</param>

/// <returns>처리 결과</returns>

[DllImport("user32.dll", CharSet = CharSet.Auto, CallingConvention = CallingConvention.StdCall)]

internal static extern bool UnhookWindowsHookEx(int hookID);

#endregion

#region 확장 다음 후킹 호출하기 - CallNextHookEx(hookID, code, wordParameter, longParameter)

/// <summary>

/// 확장 다음 후킹 호출하기

/// </summary>

/// <param name="hookID">후킹 ID</param>

/// <param name="code">코드</param>

/// <param name="wordParameter">WORD 매개 변수</param>

/// <param name="longParameter">LONG 매개 변수</param>

/// <returns>처리 결과</returns>

[DllImport("user32.dll", CharSet = CharSet.Auto, CallingConvention = CallingConvention.StdCall)]

internal static extern int CallNextHookEx(int hookID, int code, IntPtr wordParameter, IntPtr longParameter);

#endregion

#region 모듈 핸들 구하기 - GetModuleHandle(moduleName)

/// <summary>

/// 모듈 핸들 구하기

/// </summary>

/// <param name="moduleName">모듈명</param>

/// <returns>모듈 핸들</returns>

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

internal static extern IntPtr GetModuleHandle(string moduleName);

#endregion

//////////////////////////////////////////////////////////////////////////////////////////////////// Delegate

////////////////////////////////////////////////////////////////////////////////////////// Internal

#region 후킹 대리자 - HookDelegate(code, wordParameter, longParameter)

/// <summary>

/// 후킹 대리자

/// </summary>

/// <param name="code">코드</param>

/// <param name="wordParameter">WORD 매개 변수</param>

/// <param name="longParameter">LONG 매개 변수</param>

/// <returns>처리 결과</returns>

internal delegate int HookDelegate(int code, IntPtr wordParameter, IntPtr longParameter);

#endregion

//////////////////////////////////////////////////////////////////////////////////////////////////// Structure

////////////////////////////////////////////////////////////////////////////////////////// Public

#region 포인트 - POINT

/// <summary>

/// 포인트

/// </summary>

[StructLayout(LayoutKind.Sequential), Serializable()]

public struct POINT

{

//////////////////////////////////////////////////////////////////////////////////////////////////// Field

////////////////////////////////////////////////////////////////////////////////////////// Public

#region Field

/// <summary>

/// X

/// </summary>

public uint X;

/// <summary>

/// Y

/// </summary>

public uint Y;

#endregion

}

#endregion

#region 키보드 하위 레벨 후킹 구조체 - KBDLLHOOKSTRUCT

/// <summary>

/// 키보드 하위 레벨 후킹 구조체

/// </summary>

[StructLayout(LayoutKind.Sequential), Serializable()]

public struct KBDLLHOOKSTRUCT

{

//////////////////////////////////////////////////////////////////////////////////////////////////// Field

////////////////////////////////////////////////////////////////////////////////////////// Public

#region Field

/// <summary>

/// 가상 키 코드

/// </summary>

public int VirtualKeyCode;

/// <summary>

/// 스캔 코드

/// </summary>

public int ScanCode;

/// <summary>

/// 플래그

/// </summary>

public int Flag;

/// <summary>

/// 시간

/// </summary>

public int Time;

/// <summary>

/// 부가 정보

/// </summary>

public IntPtr ExtraInformation;

#endregion

}

#endregion

#region 마우스 하위 레벨 후킹 구조체 - MSLLHOOKSTRUCT

/// <summary>

/// 마우스 하위 레벨 후킹 구조체

/// </summary>

[StructLayout(LayoutKind.Sequential), Serializable()]

public struct MSLLHOOKSTRUCT

{

//////////////////////////////////////////////////////////////////////////////////////////////////// Field

////////////////////////////////////////////////////////////////////////////////////////// Public

#region Field

/// <summary>

/// 포인트

/// </summary>

public POINT Point;

/// <summary>

/// 마우스 데이터

/// </summary>

public uint MouseData;

/// <summary>

/// 플래그

/// </summary>

public int Flag;

/// <summary>

/// 시간

/// </summary>

public int Time;

/// <summary>

/// 부가 정보

/// </summary>

public IntPtr ExtraInformation;

#endregion

}

#endregion

//////////////////////////////////////////////////////////////////////////////////////////////////// Field

////////////////////////////////////////////////////////////////////////////////////////// Internal

#region Field

/// <summary>

/// WH_KEYBOARD_LL

/// </summary>

internal const int WH_KEYBOARD_LL = 13;

/// <summary>

/// WH_MOUSE_LL

/// </summary>

internal const int WH_MOUSE_LL = 14;

#endregion

}

▶ HookBase.cs


using System;
using System.Diagnostics;
using System.Threading;
using System.Windows.Forms;

namespace TestLibrary
{
    /// <summary>
    /// 후킹 베이스
    /// </summary>
    /// <typeparam name="TMessage">메시지 타입</typeparam>
    public abstract class HookBase<TMessage>
    {
        //////////////////////////////////////////////////////////////////////////////////////////////////// Field
        ////////////////////////////////////////////////////////////////////////////////////////// Protected

        #region Field

        /// <summary>
        /// 후킹 핸들
        /// </summary>
        protected int hookHandle = 0;

        #endregion

        ////////////////////////////////////////////////////////////////////////////////////////// Private

        #region Field

        /// <summary>
        /// 메시지 차단 큐
        /// </summary>
        private BlockingQueue<TMessage> messageBlockingQueue = new BlockingQueue<TMessage>();

        /// <summary>
        /// 메시지 쓰레드
        /// </summary>
        private Thread messageThread = null;

        /// <summary>
        /// 잠금 객체
        /// </summary>
        private Object lockObject = new Object();

        /// <summary>
        /// 후킹 대리자
        /// </summary>
        private WIN32Helper.HookDelegate hookDelegate = null;

        /// <summary>
        /// 유효 여부
        /// </summary>
        private bool isValid = true;

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Property
        ////////////////////////////////////////////////////////////////////////////////////////// Protected

        #region 후킹 ID - HookID

        /// <summary>
        /// 후킹 ID
        /// </summary>
        protected abstract int HookID { get; }

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor
        ////////////////////////////////////////////////////////////////////////////////////////// Public

        #region 생성자 - HookBase()

        /// <summary>
        /// 생성자
        /// </summary>
        public HookBase()
        {
            this.hookDelegate = new WIN32Helper.HookDelegate(ProcessHook);

            Application.ApplicationExit += Application_ApplicationExit;

            this.messageThread = new Thread(ProcessMessageThread)
            {
                Name         = "CommonHook",
                IsBackground = true
            };

            this.messageThread.Start();
        }

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Method
        ////////////////////////////////////////////////////////////////////////////////////////// Public

        #region 후킹 시작하기 - StartHook()

        /// <summary>
        /// 후킹 시작하기
        /// </summary>
        /// <returns>처리 결과</returns>
        public bool StartHook()
        {
            lock(this.lockObject)
            {
                if(hookHandle != 0)
                {
                    return false;
                }

                this.hookHandle = WIN32Helper.SetWindowsHookEx
                (
                    HookID,
                    this.hookDelegate,
                    HookBase<TMessage>.GetCurrentModuleHandle(),
                    0
                );

                return (hookHandle != 0);
            }
        }

        #endregion
        #region 후킹 중단하기 - StopHook()

        /// <summary>
        /// 후킹 중단하기
        /// </summary>
        public void StopHook()
        {
            lock(this.lockObject)
            {
                if(this.hookHandle == 0)
                {
                    return;
                }

                WIN32Helper.UnhookWindowsHookEx(hookHandle);

                this.hookHandle = 0;
            }
        }

        #endregion
        #region 리소스 해제하기 - Dispose()

        /// <summary>
        /// 리소스 해제하기
        /// </summary>
        public void Dispose()
        {
            this.isValid = false;

            StopHook();

            Application.ApplicationExit -= Application_ApplicationExit;
        }

        #endregion

        ////////////////////////////////////////////////////////////////////////////////////////// Protected

        #region 후킹 처리하기 - ProcessHook(code, wordParameter, longParameter)

        /// <summary>
        /// 후킹 처리하기
        /// </summary>
        /// <param name="code">코드</param>
        /// <param name="wordParameter">WORD 매개 변수</param>
        /// <param name="longParameter">LONG 매개 변수</param>
        /// <returns>처리 결과</returns>
        protected virtual int ProcessHook(int code, IntPtr wordParameter, IntPtr longParameter)
        {
            if(code >= 0)
            {
                TMessage message = ParseMessage(wordParameter, longParameter);

                this.messageBlockingQueue.Enqueue(message);
            }

            return WIN32Helper.CallNextHookEx(this.hookHandle, code, wordParameter, longParameter);
        }

        #endregion
        #region 메시지 후킹시 처리하기 - OnMessageHooked(message)

        /// <summary>
        /// 메시지 후킹시 처리하기
        /// </summary>
        /// <param name="message">메시지</param>
        protected abstract void OnMessageHooked(TMessage message);

        #endregion
        #region 메시지 파싱하기 - ParseMessage(wordParameter, longParameter)

        /// <summary>
        /// 메시지 파싱하기
        /// </summary>
        /// <param name="wordParameter">WORD 매개 변수</param>
        /// <param name="longParameter">LONG 매개 변수</param>
        /// <returns>메시지</returns>
        protected abstract TMessage ParseMessage(IntPtr wordParameter, IntPtr longParameter);

        #endregion

        ////////////////////////////////////////////////////////////////////////////////////////// Private
        //////////////////////////////////////////////////////////////////////////////// Event

        #region 애플리케이션 종료시 처리하기 - Application_ApplicationExit(sender, e)

        /// <summary>
        /// 애플리케이션 종료시 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private void Application_ApplicationExit(object sender, EventArgs e)
        {
            Dispose();
        }

        #endregion

        //////////////////////////////////////////////////////////////////////////////// Function

        #region 현재 모듈 핸들 구하기 - GetCurrentModuleHandle()

        /// <summary>
        /// 현재 모듈 핸들 구하기
        /// </summary>
        /// <returns>현재 모듈 핸들</returns>
        private static IntPtr GetCurrentModuleHandle()
        {
            using(Process process = Process.GetCurrentProcess())
            {
                using(ProcessModule processModule = process.MainModule)
                {
                    return WIN32Helper.GetModuleHandle(processModule.ModuleName);
                }
            }
        }

        #endregion
        #region 메시지 쓰레드 처리하기 - ProcessMessageThread()

        /// <summary>
        /// 메시지 쓰레드 처리하기
        /// </summary>
        private void ProcessMessageThread()
        {
            while(this.isValid)
            {
                TMessage message = this.messageBlockingQueue.Dequeue();

                OnMessageHooked(message);
            }
        }

        #endregion
    }
}

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using System;

using System.Diagnostics;

using System.Threading;

using System.Windows.Forms;

namespace TestLibrary

{

/// <summary>

/// 후킹 베이스

/// </summary>

/// <typeparam name="TMessage">메시지 타입</typeparam>

public abstract class HookBase<TMessage>

{

//////////////////////////////////////////////////////////////////////////////////////////////////// Field

////////////////////////////////////////////////////////////////////////////////////////// Protected

#region Field

/// <summary>

/// 후킹 핸들

/// </summary>

protected int hookHandle = 0;

#endregion

////////////////////////////////////////////////////////////////////////////////////////// Private

#region Field

/// <summary>

/// 메시지 차단 큐

/// </summary>

private BlockingQueue<TMessage> messageBlockingQueue = new BlockingQueue<TMessage>();

/// <summary>

/// 메시지 쓰레드

/// </summary>

private Thread messageThread = null;

/// <summary>

/// 잠금 객체

/// </summary>

private Object lockObject = new Object();

/// <summary>

/// 후킹 대리자

/// </summary>

private WIN32Helper.HookDelegate hookDelegate = null;

/// <summary>

/// 유효 여부

/// </summary>

private bool isValid = true;

#endregion

//////////////////////////////////////////////////////////////////////////////////////////////////// Property

////////////////////////////////////////////////////////////////////////////////////////// Protected

#region 후킹 ID - HookID

/// <summary>

/// 후킹 ID

/// </summary>

protected abstract int HookID { get; }

#endregion

//////////////////////////////////////////////////////////////////////////////////////////////////// Constructor

////////////////////////////////////////////////////////////////////////////////////////// Public

#region 생성자 - HookBase()

/// <summary>

/// 생성자

/// </summary>

public HookBase()

{

this.hookDelegate = new WIN32Helper.HookDelegate(ProcessHook);

Application.ApplicationExit += Application_ApplicationExit;

this.messageThread = new Thread(ProcessMessageThread)

{

Name = "CommonHook",

IsBackground = true

};

this.messageThread.Start();

}

#endregion

//////////////////////////////////////////////////////////////////////////////////////////////////// Method

////////////////////////////////////////////////////////////////////////////////////////// Public

#region 후킹 시작하기 - StartHook()

/// <summary>

/// 후킹 시작하기

/// </summary>

/// <returns>처리 결과</returns>

public bool StartHook()

{

lock(this.lockObject)

{

if(hookHandle != 0)

{

return false;

}

this.hookHandle = WIN32Helper.SetWindowsHookEx

(

HookID,

this.hookDelegate,

HookBase<TMessage>.GetCurrentModuleHandle(),

);

return (hookHandle != 0);

}

#endregion

#region 후킹 중단하기 - StopHook()

/// <summary>

/// 후킹 중단하기

/// </summary>

public void StopHook()

{

lock(this.lockObject)

{

if(this.hookHandle == 0)

{

return;

}

WIN32Helper.UnhookWindowsHookEx(hookHandle);

this.hookHandle = 0;

}

#endregion

#region 리소스 해제하기 - Dispose()

/// <summary>

/// 리소스 해제하기

/// </summary>

public void Dispose()

{

this.isValid = false;

StopHook();

Application.ApplicationExit -= Application_ApplicationExit;

}

#endregion

////////////////////////////////////////////////////////////////////////////////////////// Protected

#region 후킹 처리하기 - ProcessHook(code, wordParameter, longParameter)

/// <summary>

/// 후킹 처리하기

/// </summary>

/// <param name="code">코드</param>

/// <param name="wordParameter">WORD 매개 변수</param>

/// <param name="longParameter">LONG 매개 변수</param>

/// <returns>처리 결과</returns>

protected virtual int ProcessHook(int code, IntPtr wordParameter, IntPtr longParameter)

{

if(code >= 0)

{

TMessage message = ParseMessage(wordParameter, longParameter);

this.messageBlockingQueue.Enqueue(message);

}

return WIN32Helper.CallNextHookEx(this.hookHandle, code, wordParameter, longParameter);

}

#endregion

#region 메시지 후킹시 처리하기 - OnMessageHooked(message)

/// <summary>

/// 메시지 후킹시 처리하기

/// </summary>

/// <param name="message">메시지</param>

protected abstract void OnMessageHooked(TMessage message);

#endregion

#region 메시지 파싱하기 - ParseMessage(wordParameter, longParameter)

/// <summary>

/// 메시지 파싱하기

/// </summary>

/// <param name="wordParameter">WORD 매개 변수</param>

/// <param name="longParameter">LONG 매개 변수</param>

/// <returns>메시지</returns>

protected abstract TMessage ParseMessage(IntPtr wordParameter, IntPtr longParameter);

#endregion

////////////////////////////////////////////////////////////////////////////////////////// Private

//////////////////////////////////////////////////////////////////////////////// Event

#region 애플리케이션 종료시 처리하기 - Application_ApplicationExit(sender, e)

/// <summary>

/// 애플리케이션 종료시 처리하기

/// </summary>

/// <param name="sender">이벤트 발생자</param>

/// <param name="e">이벤트 인자</param>

private void Application_ApplicationExit(object sender, EventArgs e)

{

Dispose();

}

#endregion

//////////////////////////////////////////////////////////////////////////////// Function

#region 현재 모듈 핸들 구하기 - GetCurrentModuleHandle()

/// <summary>

/// 현재 모듈 핸들 구하기

/// </summary>

/// <returns>현재 모듈 핸들</returns>

private static IntPtr GetCurrentModuleHandle()

{

using(Process process = Process.GetCurrentProcess())

{

using(ProcessModule processModule = process.MainModule)

{

return WIN32Helper.GetModuleHandle(processModule.ModuleName);

}

#endregion

#region 메시지 쓰레드 처리하기 - ProcessMessageThread()

/// <summary>

/// 메시지 쓰레드 처리하기

/// </summary>

private void ProcessMessageThread()

{

while(this.isValid)

{

TMessage message = this.messageBlockingQueue.Dequeue();

OnMessageHooked(message);

}

#endregion

}

[C#/WINFORM] 화상 키보드 사용하기

■ 화상 키보드를 사용하는 방법을 보여준다. ※ 32비트 버전으로만 빌드해야 한다! ▶ KeyBoardForm.cs


using System;
using System.Drawing;
using System.Media;
using System.Runtime.InteropServices;
using System.Windows.Forms;

namespace TestProject
{
    /// <summary>
    /// 키보드 폼
    /// </summary>
    public partial class KeyBoardForm : NoActiveForm
    {
        //////////////////////////////////////////////////////////////////////////////////////////////////// Import
        ////////////////////////////////////////////////////////////////////////////////////////// Static
        //////////////////////////////////////////////////////////////////////////////// Private

        #region 키보드 이벤트 발생시키기 - keybd_event(virtualKey, scanCode, flag, extraInformation)

        /// <summary>
        /// 키보드 이벤트 발생시키기
        /// </summary>
        /// <param name="virtualKey">가상 키</param>
        /// <param name="scanCode">스캔 코드</param>
        /// <param name="flag">플래그</param>
        /// <param name="extraInformation">추가 정보</param>
        [DllImport("user32.dll")]
        private static extern void keybd_event(byte virtualKey, byte scanCode, uint flag, int extraInformation);

        #endregion
        #region 후킹 초기화 하기 - InitHook(controlHandle)

        /// <summary>
        /// 후킹 초기화 하기
        /// </summary>
        /// <param name="controlHandle">컨트롤 핸들</param>
        [DllImport("vkb.dll", CharSet = CharSet.Auto)]
        private static extern void InitHook(IntPtr controlHandle);

        #endregion
        #region 후킹 설치하기 - InstallHook()

        /// <summary>
        /// 후킹 설치하기
        /// </summary>
        [DllImport("vkb.dll", CharSet = CharSet.Auto)]
        private static extern void InstallHook();

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Field
        ////////////////////////////////////////////////////////////////////////////////////////// Private

        #region Field

        /// <summary>
        /// 사운드 재생 여부
        /// </summary>
        private bool playSound = true;

        /// <summary>
        /// Caps Lock 버튼 눌림 여부
        /// </summary>
        private bool isPressedCAPSLOCK = false;

        /// <summary>
        /// Shift 버튼 눌림 여부
        /// </summary>
        private bool isPressedSHIFT = false;

        /// <summary>
        /// 한글 모드 여부
        /// </summary>
        private bool isHANGULMode = false;

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor
        ////////////////////////////////////////////////////////////////////////////////////////// Public

        #region 생성자 - KeyBoardForm()

        /// <summary>
        /// 생성자
        /// </summary>
        public KeyBoardForm()
        {
            InitializeComponent();
        }

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Method
        ////////////////////////////////////////////////////////////////////////////////////////// Private
        //////////////////////////////////////////////////////////////////////////////// Event

        #region 폼 로드시 처리하기 - Form_Load(sender, e)

        /// <summary>
        /// 폼 로드시 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private void Form_Load(object sender, EventArgs e)
        {
            Initialize();

            this.k0101PictureBox.Click += keyPictureBox_Click;
            this.k0102PictureBox.Click += keyPictureBox_Click;
            this.k0103PictureBox.Click += keyPictureBox_Click;
            this.k0104PictureBox.Click += keyPictureBox_Click;
            this.k0105PictureBox.Click += keyPictureBox_Click;
            this.k0106PictureBox.Click += keyPictureBox_Click;
            this.k0107PictureBox.Click += keyPictureBox_Click;
            this.k0108PictureBox.Click += keyPictureBox_Click;
            this.k0109PictureBox.Click += keyPictureBox_Click;
            this.k0110PictureBox.Click += keyPictureBox_Click;
            this.k0111PictureBox.Click += keyPictureBox_Click;
            this.k0112PictureBox.Click += keyPictureBox_Click;
            this.k0113PictureBox.Click += keyPictureBox_Click;
            this.k0114PictureBox.Click += keyPictureBox_Click;

            this.k0115PictureBox.Click += keyPictureBox_Click;
            this.k0116PictureBox.Click += keyPictureBox_Click;
            this.k0117PictureBox.Click += keyPictureBox_Click;

            this.k0201PictureBox.Click += keyPictureBox_Click;
            this.k0202PictureBox.Click += keyPictureBox_Click;
            this.k0203PictureBox.Click += keyPictureBox_Click;
            this.k0204PictureBox.Click += keyPictureBox_Click;
            this.k0205PictureBox.Click += keyPictureBox_Click;
            this.k0206PictureBox.Click += keyPictureBox_Click;
            this.k0207PictureBox.Click += keyPictureBox_Click;
            this.k0208PictureBox.Click += keyPictureBox_Click;
            this.k0209PictureBox.Click += keyPictureBox_Click;
            this.k0210PictureBox.Click += keyPictureBox_Click;
            this.k0211PictureBox.Click += keyPictureBox_Click;
            this.k0212PictureBox.Click += keyPictureBox_Click;
            this.k0213PictureBox.Click += keyPictureBox_Click;
            this.k0214PictureBox.Click += keyPictureBox_Click;

            this.k0215PictureBox.Click += keyPictureBox_Click;
            this.k0216PictureBox.Click += keyPictureBox_Click;
            this.k0217PictureBox.Click += keyPictureBox_Click;

            this.k0301PictureBox.Click += keyPictureBox_Click;
            this.k0302PictureBox.Click += keyPictureBox_Click;
            this.k0303PictureBox.Click += keyPictureBox_Click;
            this.k0304PictureBox.Click += keyPictureBox_Click;
            this.k0305PictureBox.Click += keyPictureBox_Click;
            this.k0306PictureBox.Click += keyPictureBox_Click;
            this.k0307PictureBox.Click += keyPictureBox_Click;
            this.k0308PictureBox.Click += keyPictureBox_Click;
            this.k0309PictureBox.Click += keyPictureBox_Click;
            this.k0310PictureBox.Click += keyPictureBox_Click;
            this.k0311PictureBox.Click += keyPictureBox_Click;
            this.k0312PictureBox.Click += keyPictureBox_Click;
            this.k0313PictureBox.Click += keyPictureBox_Click;

            this.k0401PictureBox.Click += keyPictureBox_Click;
            this.k0402PictureBox.Click += keyPictureBox_Click;
            this.k0403PictureBox.Click += keyPictureBox_Click;
            this.k0404PictureBox.Click += keyPictureBox_Click;
            this.k0405PictureBox.Click += keyPictureBox_Click;
            this.k0406PictureBox.Click += keyPictureBox_Click;
            this.k0407PictureBox.Click += keyPictureBox_Click;
            this.k0408PictureBox.Click += keyPictureBox_Click;
            this.k0409PictureBox.Click += keyPictureBox_Click;
            this.k0410PictureBox.Click += keyPictureBox_Click;
            this.k0411PictureBox.Click += keyPictureBox_Click;
            this.k0412PictureBox.Click += keyPictureBox_Click;

            this.k0413PictureBox.Click += keyPictureBox_Click;

            this.k0501PictureBox.Click += keyPictureBox_Click;
            this.k0502PictureBox.Click += keyPictureBox_Click;
            this.k0503PictureBox.Click += keyPictureBox_Click;
            this.k0504PictureBox.Click += keyPictureBox_Click;
            this.k0505PictureBox.Click += keyPictureBox_Click;
            this.k0506PictureBox.Click += keyPictureBox_Click;
            this.k0507PictureBox.Click += keyPictureBox_Click;
            this.k0508PictureBox.Click += keyPictureBox_Click;

            this.k0509PictureBox.Click += keyPictureBox_Click;
            this.k0510PictureBox.Click += keyPictureBox_Click;
            this.k0511PictureBox.Click += keyPictureBox_Click;

            this.k0101PictureBox.DoubleClick += keyPictureBox_DoubleClick;
            this.k0102PictureBox.DoubleClick += keyPictureBox_DoubleClick;
            this.k0103PictureBox.DoubleClick += keyPictureBox_DoubleClick;
            this.k0104PictureBox.DoubleClick += keyPictureBox_DoubleClick;
            this.k0105PictureBox.DoubleClick += keyPictureBox_DoubleClick;
            this.k0106PictureBox.DoubleClick += keyPictureBox_DoubleClick;
            this.k0107PictureBox.DoubleClick += keyPictureBox_DoubleClick;
            this.k0108PictureBox.DoubleClick += keyPictureBox_DoubleClick;
            this.k0109PictureBox.DoubleClick += keyPictureBox_DoubleClick;
            this.k0110PictureBox.DoubleClick += keyPictureBox_DoubleClick;
            this.k0111PictureBox.DoubleClick += keyPictureBox_DoubleClick;
            this.k0112PictureBox.DoubleClick += keyPictureBox_DoubleClick;
            this.k0113PictureBox.DoubleClick += keyPictureBox_DoubleClick;
            this.k0114PictureBox.DoubleClick += keyPictureBox_DoubleClick;

            this.k0115PictureBox.DoubleClick += keyPictureBox_DoubleClick;
            this.k0116PictureBox.DoubleClick += keyPictureBox_DoubleClick;
            this.k0117PictureBox.DoubleClick += keyPictureBox_DoubleClick;

            this.k0201PictureBox.DoubleClick += keyPictureBox_DoubleClick;
            this.k0202PictureBox.DoubleClick += keyPictureBox_DoubleClick;
            this.k0203PictureBox.DoubleClick += keyPictureBox_DoubleClick;
            this.k0204PictureBox.DoubleClick += keyPictureBox_DoubleClick;
            this.k0205PictureBox.DoubleClick += keyPictureBox_DoubleClick;
            this.k0206PictureBox.DoubleClick += keyPictureBox_DoubleClick;
            this.k0207PictureBox.DoubleClick += keyPictureBox_DoubleClick;
            this.k0208PictureBox.DoubleClick += keyPictureBox_DoubleClick;
            this.k0209PictureBox.DoubleClick += keyPictureBox_DoubleClick;
            this.k0210PictureBox.DoubleClick += keyPictureBox_DoubleClick;
            this.k0211PictureBox.DoubleClick += keyPictureBox_DoubleClick;
            this.k0212PictureBox.DoubleClick += keyPictureBox_DoubleClick;
            this.k0213PictureBox.DoubleClick += keyPictureBox_DoubleClick;
            this.k0214PictureBox.DoubleClick += keyPictureBox_DoubleClick;

            this.k0215PictureBox.DoubleClick += keyPictureBox_DoubleClick;
            this.k0216PictureBox.DoubleClick += keyPictureBox_DoubleClick;
            this.k0217PictureBox.DoubleClick += keyPictureBox_DoubleClick;

            this.k0301PictureBox.DoubleClick += keyPictureBox_DoubleClick;
            this.k0302PictureBox.DoubleClick += keyPictureBox_DoubleClick;
            this.k0303PictureBox.DoubleClick += keyPictureBox_DoubleClick;
            this.k0304PictureBox.DoubleClick += keyPictureBox_DoubleClick;
            this.k0305PictureBox.DoubleClick += keyPictureBox_DoubleClick;
            this.k0306PictureBox.DoubleClick += keyPictureBox_DoubleClick;
            this.k0307PictureBox.DoubleClick += keyPictureBox_DoubleClick;
            this.k0308PictureBox.DoubleClick += keyPictureBox_DoubleClick;
            this.k0309PictureBox.DoubleClick += keyPictureBox_DoubleClick;
            this.k0310PictureBox.DoubleClick += keyPictureBox_DoubleClick;
            this.k0311PictureBox.DoubleClick += keyPictureBox_DoubleClick;
            this.k0312PictureBox.DoubleClick += keyPictureBox_DoubleClick;
            this.k0313PictureBox.DoubleClick += keyPictureBox_DoubleClick;

            this.k0401PictureBox.DoubleClick += keyPictureBox_DoubleClick;
            this.k0402PictureBox.DoubleClick += keyPictureBox_DoubleClick;
            this.k0403PictureBox.DoubleClick += keyPictureBox_DoubleClick;
            this.k0404PictureBox.DoubleClick += keyPictureBox_DoubleClick;
            this.k0405PictureBox.DoubleClick += keyPictureBox_DoubleClick;
            this.k0406PictureBox.DoubleClick += keyPictureBox_DoubleClick;
            this.k0407PictureBox.DoubleClick += keyPictureBox_DoubleClick;
            this.k0408PictureBox.DoubleClick += keyPictureBox_DoubleClick;
            this.k0409PictureBox.DoubleClick += keyPictureBox_DoubleClick;
            this.k0410PictureBox.DoubleClick += keyPictureBox_DoubleClick;
            this.k0411PictureBox.DoubleClick += keyPictureBox_DoubleClick;
            this.k0412PictureBox.DoubleClick += keyPictureBox_DoubleClick;

            this.k0413PictureBox.DoubleClick += keyPictureBox_DoubleClick;

            this.k0501PictureBox.DoubleClick += keyPictureBox_DoubleClick;
            this.k0502PictureBox.DoubleClick += keyPictureBox_DoubleClick;
            this.k0503PictureBox.DoubleClick += keyPictureBox_DoubleClick;
            this.k0504PictureBox.DoubleClick += keyPictureBox_DoubleClick;
            this.k0505PictureBox.DoubleClick += keyPictureBox_DoubleClick;
            this.k0506PictureBox.DoubleClick += keyPictureBox_DoubleClick;
            this.k0507PictureBox.DoubleClick += keyPictureBox_DoubleClick;
            this.k0508PictureBox.DoubleClick += keyPictureBox_DoubleClick;

            this.k0509PictureBox.DoubleClick += keyPictureBox_DoubleClick;
            this.k0510PictureBox.DoubleClick += keyPictureBox_DoubleClick;
            this.k0511PictureBox.DoubleClick += keyPictureBox_DoubleClick;
        }

        #endregion

        #region 폼 닫힌 경우 처리하기 - Form_FormClosed(sender, e)

        /// <summary>
        /// 폼 닫힌 경우 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private void Form_FormClosed(object sender, FormClosedEventArgs e)
        {
            if(this.isPressedSHIFT)
            {
                keyPictureBox_Click(this.k0401PictureBox, EventArgs.Empty);
            }
        }

        #endregion
        #region 키 클릭시 처리하기 - keyPictureBox_Click(sender, e)

        /// <summary>
        /// 키 클릭시 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private void keyPictureBox_Click(object sender, EventArgs e)
        {
            PictureBox keyPictureBox = sender as PictureBox;

            if(keyPictureBox == null)
            {
                return;
            }

            #region 1행

            if(keyPictureBox == this.k0101PictureBox) // "~"
            {
                keybd_event((byte)Keys.Oem3, 0, 0   , 0);
                keybd_event((byte)Keys.Oem3, 0, 0x02, 0);
            }

            if(keyPictureBox == this.k0102PictureBox) // "1"
            {
                keybd_event((byte)Keys.D1, 0, 0   , 0);
                keybd_event((byte)Keys.D1, 0, 0x02, 0);
            }

            if(keyPictureBox == this.k0103PictureBox) // "2"
            {
                keybd_event((byte)Keys.D2, 0, 0   , 0);
                keybd_event((byte)Keys.D2, 0, 0x02, 0);
            }

            if(keyPictureBox == this.k0104PictureBox) // "3"
            {
                keybd_event((byte)Keys.D3, 0, 0   , 0);
                keybd_event((byte)Keys.D3, 0, 0x02, 0);
            }

            if(keyPictureBox == this.k0105PictureBox) // "4"
            {
                keybd_event((byte)Keys.D4, 0, 0   , 0);
                keybd_event((byte)Keys.D4, 0, 0x02, 0);
            }

            if(keyPictureBox == this.k0106PictureBox) // "5"
            {
                keybd_event((byte)Keys.D5, 0, 0   , 0);
                keybd_event((byte)Keys.D5, 0, 0x02, 0);
            }

            if(keyPictureBox == this.k0107PictureBox) // "6"
            {
                keybd_event((byte)Keys.D6, 0, 0   , 0);
                keybd_event((byte)Keys.D6, 0, 0x02, 0);
            }

            if(keyPictureBox == this.k0108PictureBox) // "7"
            {
                keybd_event((byte)Keys.D7, 0, 0   , 0);
                keybd_event((byte)Keys.D7, 0, 0x02, 0);
            }

            if(keyPictureBox == this.k0109PictureBox) // "8"
            {
                keybd_event((byte)Keys.D8, 0, 0   , 0);
                keybd_event((byte)Keys.D8, 0, 0x02, 0);
            }

            if(keyPictureBox == this.k0110PictureBox) // "9"
            {
                keybd_event((byte)Keys.D9, 0, 0   , 0);
                keybd_event((byte)Keys.D9, 0, 0x02, 0);
            }

            if(keyPictureBox == this.k0111PictureBox) // "0"
            {
                keybd_event((byte)Keys.D0, 0, 0   , 0);
                keybd_event((byte)Keys.D0, 0, 0x02, 0);
            }

            if(keyPictureBox == this.k0112PictureBox) // "-"
            {
                keybd_event((byte)Keys.OemMinus, 0, 0   , 0);
                keybd_event((byte)Keys.OemMinus, 0, 0x02, 0);
            }

            if(keyPictureBox == this.k0113PictureBox) // "+"
            {
                keybd_event((byte)Keys.Oemplus, 0, 0   , 0);
                keybd_event((byte)Keys.Oemplus, 0, 0x02, 0);
            }

            if(keyPictureBox == this.k0114PictureBox) // "Backspace"
            {
                keybd_event((byte)Keys.Back, 0, 0   , 0);
                keybd_event((byte)Keys.Back, 0, 0x02, 0);
            }

            if(keyPictureBox == this.k0115PictureBox) // "Insert"
            {
                keybd_event((byte)Keys.Insert, 0, 0   , 0);
                keybd_event((byte)Keys.Insert, 0, 0x02, 0);
            }

            if(keyPictureBox == this.k0116PictureBox) // "Home"
            {
                keybd_event((byte)Keys.Home, 0, 0   , 0);
                keybd_event((byte)Keys.Home, 0, 0x02, 0);
            }

            if(keyPictureBox == this.k0117PictureBox) // "PgUp"
            {
                keybd_event((byte)Keys.PageUp, 0, 0   , 0);
                keybd_event((byte)Keys.PageUp, 0, 0x02, 0);
            }

            #endregion
            #region 2행

            if(keyPictureBox == this.k0201PictureBox) // "Tab"
            {
                keybd_event((byte)Keys.Tab, 0, 0   , 0);
                keybd_event((byte)Keys.Tab, 0, 0x02, 0);
            }

            if(keyPictureBox == this.k0202PictureBox) // "Q"
            {
                keybd_event((byte)Keys.Q, 0, 0   , 0);
                keybd_event((byte)Keys.Q, 0, 0x02, 0);
            }

            if(keyPictureBox == this.k0203PictureBox) // "W"
            {
                keybd_event((byte)Keys.W, 0, 0   , 0);
                keybd_event((byte)Keys.W, 0, 0x02, 0);
            }

            if(keyPictureBox == this.k0204PictureBox) // "E"
            {
                keybd_event((byte)Keys.E, 0, 0   , 0);
                keybd_event((byte)Keys.E, 0, 0x02, 0);
            }

            if(keyPictureBox == this.k0205PictureBox) // "R"
            {
                keybd_event((byte)Keys.R, 0, 0   , 0);
                keybd_event((byte)Keys.R, 0, 0x02, 0);
            }

            if(keyPictureBox == this.k0206PictureBox) // "T"
            {
                keybd_event((byte)Keys.T, 0, 0   , 0);
                keybd_event((byte)Keys.T, 0, 0x02, 0);
            }

            if(keyPictureBox == this.k0207PictureBox) // "Y"
            {
                keybd_event((byte)Keys.Y, 0, 0   , 0);
                keybd_event((byte)Keys.Y, 0, 0x02, 0);
            }

            if(keyPictureBox == this.k0208PictureBox) // "U"
            {
                keybd_event((byte)Keys.U, 0, 0   , 0);
                keybd_event((byte)Keys.U, 0, 0x02, 0);
            }

            if(keyPictureBox == this.k0209PictureBox) // "I"
            {
                keybd_event((byte)Keys.I, 0, 0   , 0);
                keybd_event((byte)Keys.I, 0, 0x02, 0);
            }

            if(keyPictureBox == this.k0210PictureBox) // "O"
            {
                keybd_event((byte)Keys.O, 0, 0   , 0);
                keybd_event((byte)Keys.O, 0, 0x02, 0);
            }

            if(keyPictureBox == this.k0211PictureBox) // "P"
            {
                keybd_event((byte)Keys.P, 0, 0   , 0);
                keybd_event((byte)Keys.P, 0, 0x02, 0);
            }

            if(keyPictureBox == this.k0212PictureBox) // "["
            {
                keybd_event((byte)Keys.Oem4, 0, 0   , 0);
                keybd_event((byte)Keys.Oem4, 0, 0x02, 0);
            }

            if(keyPictureBox == this.k0213PictureBox) // "]"
            {
                keybd_event((byte)Keys.Oem6, 0, 0   , 0);
                keybd_event((byte)Keys.Oem6, 0, 0x02, 0);
            }

            if(keyPictureBox == this.k0214PictureBox) // "\"
            {
                keybd_event((byte)Keys.Oem5, 0, 0   , 0);
                keybd_event((byte)Keys.Oem5, 0, 0x02, 0);
            }

            if(keyPictureBox == this.k0215PictureBox) // "Delete"
            {
                keybd_event((byte)Keys.Delete, 0, 0   , 0);
                keybd_event((byte)Keys.Delete, 0, 0x02, 0);
            }

            if(keyPictureBox == this.k0216PictureBox) // "End"
            {
                keybd_event((byte)Keys.End, 0, 0   , 0);
                keybd_event((byte)Keys.End, 0, 0x02, 0);
            }

            if(keyPictureBox == this.k0217PictureBox) // "PgDn"
            {
                keybd_event((byte)Keys.PageDown, 0, 0   , 0);
                keybd_event((byte)Keys.PageDown, 0, 0x02, 0);
            }

            #endregion
            #region 3행

            if(keyPictureBox == this.k0301PictureBox) // "Caps Lock"
            {
                Image image;

                if(this.isPressedCAPSLOCK)
                {
                    image = Properties.Resources.K0301;
                }
                else
                {
                    image = Properties.Resources.K0301ON;
                }

                this.k0301PictureBox.Image = image;

                this.isPressedCAPSLOCK = this.isPressedCAPSLOCK ^ true;

                keybd_event((byte)Keys.CapsLock, 0, 0   , 0);
                keybd_event((byte)Keys.CapsLock, 0, 0x02, 0);
            }

            if(keyPictureBox == this.k0302PictureBox) // "A"
            {
                keybd_event((byte)Keys.A, 0, 0   , 0);
                keybd_event((byte)Keys.A, 0, 0x02, 0);
            }

            if(keyPictureBox == this.k0303PictureBox) // "S"
            {
                keybd_event((byte)Keys.S, 0, 0   , 0);
                keybd_event((byte)Keys.S, 0, 0x02, 0);
            }

            if(keyPictureBox == this.k0304PictureBox) // "D"
            {
                keybd_event((byte)Keys.D, 0, 0   , 0);
                keybd_event((byte)Keys.D, 0, 0x02, 0);
            }

            if(keyPictureBox == this.k0305PictureBox) // "F"
            {
                keybd_event((byte)Keys.F, 0, 0   , 0);
                keybd_event((byte)Keys.F, 0, 0x02, 0);
            }

            if(keyPictureBox == this.k0306PictureBox) // "G"
            {
                keybd_event((byte)Keys.G, 0, 0   , 0);
                keybd_event((byte)Keys.G, 0, 0x02, 0);
            }

            if(keyPictureBox == this.k0307PictureBox) // "H"
            {
                keybd_event((byte)Keys.H, 0, 0   , 0);
                keybd_event((byte)Keys.H, 0, 0x02, 0);
            }

            if(keyPictureBox == this.k0308PictureBox) // "J"
            {
                keybd_event((byte)Keys.J, 0, 0   , 0);
                keybd_event((byte)Keys.J, 0, 0x02, 0);
            }

            if(keyPictureBox == this.k0309PictureBox) // "K"
            {
                keybd_event((byte)Keys.K, 0, 0   , 0);
                keybd_event((byte)Keys.K, 0, 0x02, 0);
            }

            if(keyPictureBox == this.k0310PictureBox) // "L"
            {
                keybd_event((byte)Keys.L, 0, 0   , 0);
                keybd_event((byte)Keys.L, 0, 0x02, 0);
            }

            if(keyPictureBox == this.k0311PictureBox) // ";"
            {
                keybd_event((byte)Keys.OemSemicolon, 0, 0   , 0);
                keybd_event((byte)Keys.OemSemicolon, 0, 0x02, 0);
            }

            if(keyPictureBox == this.k0312PictureBox) // "'"
            {
                keybd_event((byte)Keys.OemQuotes, 0, 0   , 0);
                keybd_event((byte)Keys.OemQuotes, 0, 0x02, 0);
            }

            if(keyPictureBox == this.k0313PictureBox) // "Enter"
            {
                keybd_event((byte)Keys.Enter, 0, 0   , 0);
                keybd_event((byte)Keys.Enter, 0, 0x02, 0);
            }

            #endregion
            #region 4행

            if(keyPictureBox == this.k0401PictureBox) // "Left Shift"
            {
                if(this.isPressedSHIFT == false)
                {
                    this.isPressedSHIFT = true;

                    Image leftSHIFTImage  = Properties.Resources.K0401ON;
                    Image rightSHIFTImage = Properties.Resources.K0412ON;

                    this.k0401PictureBox.Image = leftSHIFTImage;
                    this.k0412PictureBox.Image = rightSHIFTImage;

                    keybd_event((byte)Keys.LShiftKey, 0, 0, 0);
                }
                else
                {
                    this.isPressedSHIFT = false;

                    Image leftSHIFTImage  = Properties.Resources.K0401;
                    Image rightSHIFTImage = Properties.Resources.K0412;

                    this.k0401PictureBox.Image = leftSHIFTImage;
                    this.k0412PictureBox.Image = rightSHIFTImage;

                    keybd_event((byte)Keys.LShiftKey, 0, 0x02, 0);
                }
            }

            if(keyPictureBox == this.k0402PictureBox) // "Z"
            {
                keybd_event((byte)Keys.Z, 0, 0   , 0);
                keybd_event((byte)Keys.Z, 0, 0x02, 0);
            }

            if(keyPictureBox == this.k0403PictureBox) // "X"
            {
                keybd_event((byte)Keys.X, 0, 0   , 0);
                keybd_event((byte)Keys.X, 0, 0x02, 0);
            }

            if(keyPictureBox == this.k0404PictureBox) // "C"
            {
                keybd_event((byte)Keys.C, 0, 0, 0);
                keybd_event((byte)Keys.C, 0, 0x02, 0);
            }

            if(keyPictureBox == this.k0405PictureBox) // "V"
            {
                keybd_event((byte)Keys.V, 0, 0, 0);
                keybd_event((byte)Keys.V, 0, 0x02, 0);
            }

            if(keyPictureBox == this.k0406PictureBox) // "B"
            {
                keybd_event((byte)Keys.B, 0, 0   , 0);
                keybd_event((byte)Keys.B, 0, 0x02, 0);
            }

            if(keyPictureBox == this.k0407PictureBox) // "N"
            {
                keybd_event((byte)Keys.N, 0, 0   , 0);
                keybd_event((byte)Keys.N, 0, 0x02, 0);
            }

            if(keyPictureBox == this.k0408PictureBox) // "M"
            {
                keybd_event((byte)Keys.M, 0, 0   , 0);
                keybd_event((byte)Keys.M, 0, 0x02, 0);
            }

            if(keyPictureBox == this.k0409PictureBox) // "<"
            {
                keybd_event((byte)Keys.Oemcomma, 0, 0   , 0);
                keybd_event((byte)Keys.Oemcomma, 0, 0x02, 0);
            }

            if(keyPictureBox == this.k0410PictureBox) // ">"
            {
                keybd_event((byte)Keys.OemPeriod, 0, 0   , 0);
                keybd_event((byte)Keys.OemPeriod, 0, 0x02, 0);
            }

            if(keyPictureBox == this.k0411PictureBox) // "?"
            {
                keybd_event((byte)Keys.OemQuestion, 0, 0, 0);
                keybd_event((byte)Keys.OemQuestion, 0, 0x02, 0);
            }

            if(keyPictureBox == this.k0412PictureBox) // "Right Shift"
            {
                if(this.isPressedSHIFT == false)
                {
                    this.isPressedSHIFT = true;

                    Image leftSHIFTImage  = Properties.Resources.K0401ON;
                    Image rightSHIFTImage = Properties.Resources.K0412ON;

                    this.k0401PictureBox.Image = leftSHIFTImage;
                    this.k0412PictureBox.Image = rightSHIFTImage;

                    keybd_event((byte)Keys.RShiftKey, 0, 0, 0);
                }
                else
                {
                    this.isPressedSHIFT = false;

                    Image leftSHIFTImage  = Properties.Resources.K0401;
                    Image rightSHIFTImage = Properties.Resources.K0412;

                    this.k0401PictureBox.Image = leftSHIFTImage;
                    this.k0412PictureBox.Image = rightSHIFTImage;

                    keybd_event((byte)Keys.RShiftKey, 0, 0x02, 0);
                }
            }

            if(keyPictureBox == this.k0413PictureBox) // "↑"
            {
                keybd_event((byte)Keys.Up, 0, 0   , 0);
                keybd_event((byte)Keys.Up, 0, 0x02, 0);
            }

            #endregion
            #region 5행

            if(keyPictureBox == this.k0501PictureBox) // "Left Ctrl"
            {
                keybd_event((byte)Keys.LControlKey, 0, 0   , 0);
                keybd_event((byte)Keys.LControlKey, 0, 0x02, 0);
            }

            if(keyPictureBox == this.k0502PictureBox) // "Left Alt"
            {
                keybd_event((byte)Keys.LMenu, 0, 0   , 0);
                keybd_event((byte)Keys.LMenu, 0, 0x02, 0);
            }

            if(keyPictureBox == this.k0503PictureBox) // "한자"
            {
                keybd_event((byte)Keys.HanjaMode, 0, 0   , 0);
                keybd_event((byte)Keys.HanjaMode, 0, 0x02, 0);
            }

            if(keyPictureBox == this.k0504PictureBox) // "Space"
            {
                keybd_event((byte)Keys.Space, 0, 0   , 0);
                keybd_event((byte)Keys.Space, 0, 0x02, 0);
            }

            if(keyPictureBox == this.k0505PictureBox) // "한글/영문"
            {
                if(this.isHANGULMode == false)
                {
                    this.isHANGULMode = true;

                    Image image = Properties.Resources.K0505HANGUL;

                    this.k0505PictureBox.Image = image;
                }
                else
                {
                    this.isHANGULMode = false;

                    Image image = Properties.Resources.K0505ENGLISH;

                    this.k0505PictureBox.Image = image;
                }

                keybd_event((byte)Keys.HangulMode, 0, 0, 0);
           }

            if(keyPictureBox == this.k0506PictureBox) // "Right Alt"
            {
                keybd_event((byte)Keys.RMenu, 0, 0   , 0);
                keybd_event((byte)Keys.RMenu, 0, 0x02, 0);
            }

            if(keyPictureBox == this.k0507PictureBox) // "Print"
            {
                keybd_event((byte)Keys.Apps, 0, 0     , 0);
                keybd_event((byte)Keys.Apps, 0, 0x0002, 0);
            }

            if(keyPictureBox == this.k0508PictureBox) // "Right Ctrl"
            {
                keybd_event((byte)Keys.RControlKey, 0, 0   , 0);
                keybd_event((byte)Keys.RControlKey, 0, 0x02, 0);
            }

            if(keyPictureBox == this.k0509PictureBox) // "←"
            {
                keybd_event((byte)Keys.Left, 0, 0   , 0);
                keybd_event((byte)Keys.Left, 0, 0x02, 0);
            }

            if(keyPictureBox == this.k0510PictureBox) // "↓"
            {
                keybd_event((byte)Keys.Down, 0, 0   , 0);
                keybd_event((byte)Keys.Down, 0, 0x02, 0);
            }

            if(keyPictureBox == this.k0511PictureBox) // "→"
            {
                keybd_event((byte)Keys.Right, 0, 0   , 0);
                keybd_event((byte)Keys.Right, 0, 0x02, 0);
            }

            #endregion

            PlaySound(sender);
        }

        #endregion
        #region 키 더블 클릭시 처리하기 - keyPictureBox_DoubleClick(sender, e)

        /// <summary>
        /// 키 더블 클릭시 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private void keyPictureBox_DoubleClick(object sender, EventArgs e)
        {
            keyPictureBox_Click(sender, EventArgs.Empty);
        }

        #endregion

        //////////////////////////////////////////////////////////////////////////////// Function

        #region 초기화 하기 - Initialize()

        /// <summary>
        /// 초기화 하기
        /// </summary>
        private void Initialize()
        {
            InitHook(this.virtualKeyboardPanel.Handle);

            InstallHook();
        }

        #endregion

        #region URI 구하기 - GetURI(filePath)

        /// <summary>
        /// URI 구하기
        /// </summary>
        /// <param name="filePath">파일 경로</param>
        /// <returns>URI</returns>
        private string GetURI(string filePath)
        {
            string applicationPath = Application.ExecutablePath;

            int index = applicationPath.LastIndexOf(@"\");

            applicationPath = applicationPath.Substring(0, index + 1);

            string uri = applicationPath + filePath;

            return uri;
        }

        #endregion
        #region 사운드 재생하기 - PlaySound(filePath)

        /// <summary>
        /// 사운드 재생하기
        /// </summary>
        /// <param name="filePath">파일 경로</param>
        private void PlaySound(string filePath)
        {
            SoundPlayer soundPlayer = new SoundPlayer();

            soundPlayer.SoundLocation = GetURI(filePath);

            soundPlayer.Play();
        }

        #endregion
        #region 사운드 재생하기 - PlaySound(sender)

        /// <summary>
        /// 사운드 재생하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        private void PlaySound(object sender)
        {
            if(this.playSound)
            {
                PictureBox keyPictureBox = sender as PictureBox;

                if(keyPictureBox == null)
                {
                    return;
                }

                if(keyPictureBox == this.k0313PictureBox || keyPictureBox == this.k0401PictureBox ||
                   keyPictureBox == this.k0412PictureBox || keyPictureBox == this.k0504PictureBox ||
                   keyPictureBox == this.k0505PictureBox)
                {
                    PlaySound("\\SOUND\\ShortFX.wav");
                }
                else
                {
                    PlaySound("\\SOUND\\PlasticPot.wav");
                }
            }
        }

        #endregion
    }
}

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using System;

using System.Drawing;

using System.Media;

using System.Runtime.InteropServices;

using System.Windows.Forms;

namespace TestProject

{

/// <summary>

/// 키보드 폼

/// </summary>

public partial class KeyBoardForm : NoActiveForm

{

//////////////////////////////////////////////////////////////////////////////////////////////////// Import

////////////////////////////////////////////////////////////////////////////////////////// Static

//////////////////////////////////////////////////////////////////////////////// Private

#region 키보드 이벤트 발생시키기 - keybd_event(virtualKey, scanCode, flag, extraInformation)

/// <summary>

/// 키보드 이벤트 발생시키기

/// </summary>

/// <param name="virtualKey">가상 키</param>

/// <param name="scanCode">스캔 코드</param>

/// <param name="flag">플래그</param>

/// <param name="extraInformation">추가 정보</param>

[DllImport("user32.dll")]

private static extern void keybd_event(byte virtualKey, byte scanCode, uint flag, int extraInformation);

#endregion

#region 후킹 초기화 하기 - InitHook(controlHandle)

/// <summary>

/// 후킹 초기화 하기

/// </summary>

/// <param name="controlHandle">컨트롤 핸들</param>

[DllImport("vkb.dll", CharSet = CharSet.Auto)]

private static extern void InitHook(IntPtr controlHandle);

#endregion

#region 후킹 설치하기 - InstallHook()

/// <summary>

/// 후킹 설치하기

/// </summary>

[DllImport("vkb.dll", CharSet = CharSet.Auto)]

private static extern void InstallHook();

#endregion

//////////////////////////////////////////////////////////////////////////////////////////////////// Field

////////////////////////////////////////////////////////////////////////////////////////// Private

#region Field

/// <summary>

/// 사운드 재생 여부

/// </summary>

private bool playSound = true;

/// <summary>

/// Caps Lock 버튼 눌림 여부

/// </summary>

private bool isPressedCAPSLOCK = false;

/// <summary>

/// Shift 버튼 눌림 여부

/// </summary>

private bool isPressedSHIFT = false;

/// <summary>

/// 한글 모드 여부

/// </summary>

private bool isHANGULMode = false;

#endregion

//////////////////////////////////////////////////////////////////////////////////////////////////// Constructor

////////////////////////////////////////////////////////////////////////////////////////// Public

#region 생성자 - KeyBoardForm()

/// <summary>

/// 생성자

/// </summary>

public KeyBoardForm()

{

InitializeComponent();

}

#endregion

//////////////////////////////////////////////////////////////////////////////////////////////////// Method

////////////////////////////////////////////////////////////////////////////////////////// Private

//////////////////////////////////////////////////////////////////////////////// Event

#region 폼 로드시 처리하기 - Form_Load(sender, e)

/// <summary>

/// 폼 로드시 처리하기

/// </summary>

/// <param name="sender">이벤트 발생자</param>

/// <param name="e">이벤트 인자</param>

private void Form_Load(object sender, EventArgs e)

{

Initialize();

this.k0101PictureBox.Click += keyPictureBox_Click;

this.k0102PictureBox.Click += keyPictureBox_Click;

this.k0103PictureBox.Click += keyPictureBox_Click;

this.k0104PictureBox.Click += keyPictureBox_Click;

this.k0105PictureBox.Click += keyPictureBox_Click;

this.k0106PictureBox.Click += keyPictureBox_Click;

this.k0107PictureBox.Click += keyPictureBox_Click;

this.k0108PictureBox.Click += keyPictureBox_Click;

this.k0109PictureBox.Click += keyPictureBox_Click;

this.k0110PictureBox.Click += keyPictureBox_Click;

this.k0111PictureBox.Click += keyPictureBox_Click;

this.k0112PictureBox.Click += keyPictureBox_Click;

this.k0113PictureBox.Click += keyPictureBox_Click;

this.k0114PictureBox.Click += keyPictureBox_Click;

this.k0115PictureBox.Click += keyPictureBox_Click;

this.k0116PictureBox.Click += keyPictureBox_Click;

this.k0117PictureBox.Click += keyPictureBox_Click;

this.k0201PictureBox.Click += keyPictureBox_Click;

this.k0202PictureBox.Click += keyPictureBox_Click;

this.k0203PictureBox.Click += keyPictureBox_Click;

this.k0204PictureBox.Click += keyPictureBox_Click;

this.k0205PictureBox.Click += keyPictureBox_Click;

this.k0206PictureBox.Click += keyPictureBox_Click;

this.k0207PictureBox.Click += keyPictureBox_Click;

this.k0208PictureBox.Click += keyPictureBox_Click;

this.k0209PictureBox.Click += keyPictureBox_Click;

this.k0210PictureBox.Click += keyPictureBox_Click;

this.k0211PictureBox.Click += keyPictureBox_Click;

this.k0212PictureBox.Click += keyPictureBox_Click;

this.k0213PictureBox.Click += keyPictureBox_Click;

this.k0214PictureBox.Click += keyPictureBox_Click;

this.k0215PictureBox.Click += keyPictureBox_Click;

this.k0216PictureBox.Click += keyPictureBox_Click;

this.k0217PictureBox.Click += keyPictureBox_Click;

this.k0301PictureBox.Click += keyPictureBox_Click;

this.k0302PictureBox.Click += keyPictureBox_Click;

this.k0303PictureBox.Click += keyPictureBox_Click;

this.k0304PictureBox.Click += keyPictureBox_Click;

this.k0305PictureBox.Click += keyPictureBox_Click;

this.k0306PictureBox.Click += keyPictureBox_Click;

this.k0307PictureBox.Click += keyPictureBox_Click;

this.k0308PictureBox.Click += keyPictureBox_Click;

this.k0309PictureBox.Click += keyPictureBox_Click;

this.k0310PictureBox.Click += keyPictureBox_Click;

this.k0311PictureBox.Click += keyPictureBox_Click;

this.k0312PictureBox.Click += keyPictureBox_Click;

this.k0313PictureBox.Click += keyPictureBox_Click;

this.k0401PictureBox.Click += keyPictureBox_Click;

this.k0402PictureBox.Click += keyPictureBox_Click;

this.k0403PictureBox.Click += keyPictureBox_Click;

this.k0404PictureBox.Click += keyPictureBox_Click;

this.k0405PictureBox.Click += keyPictureBox_Click;

this.k0406PictureBox.Click += keyPictureBox_Click;

this.k0407PictureBox.Click += keyPictureBox_Click;

this.k0408PictureBox.Click += keyPictureBox_Click;

this.k0409PictureBox.Click += keyPictureBox_Click;

this.k0410PictureBox.Click += keyPictureBox_Click;

this.k0411PictureBox.Click += keyPictureBox_Click;

this.k0412PictureBox.Click += keyPictureBox_Click;

this.k0413PictureBox.Click += keyPictureBox_Click;

this.k0501PictureBox.Click += keyPictureBox_Click;

this.k0502PictureBox.Click += keyPictureBox_Click;

this.k0503PictureBox.Click += keyPictureBox_Click;

this.k0504PictureBox.Click += keyPictureBox_Click;

this.k0505PictureBox.Click += keyPictureBox_Click;

this.k0506PictureBox.Click += keyPictureBox_Click;

this.k0507PictureBox.Click += keyPictureBox_Click;

this.k0508PictureBox.Click += keyPictureBox_Click;

this.k0509PictureBox.Click += keyPictureBox_Click;

this.k0510PictureBox.Click += keyPictureBox_Click;

this.k0511PictureBox.Click += keyPictureBox_Click;

this.k0101PictureBox.DoubleClick += keyPictureBox_DoubleClick;

this.k0102PictureBox.DoubleClick += keyPictureBox_DoubleClick;

this.k0103PictureBox.DoubleClick += keyPictureBox_DoubleClick;

this.k0104PictureBox.DoubleClick += keyPictureBox_DoubleClick;

this.k0105PictureBox.DoubleClick += keyPictureBox_DoubleClick;

this.k0106PictureBox.DoubleClick += keyPictureBox_DoubleClick;

this.k0107PictureBox.DoubleClick += keyPictureBox_DoubleClick;

this.k0108PictureBox.DoubleClick += keyPictureBox_DoubleClick;

this.k0109PictureBox.DoubleClick += keyPictureBox_DoubleClick;

this.k0110PictureBox.DoubleClick += keyPictureBox_DoubleClick;

this.k0111PictureBox.DoubleClick += keyPictureBox_DoubleClick;

this.k0112PictureBox.DoubleClick += keyPictureBox_DoubleClick;

this.k0113PictureBox.DoubleClick += keyPictureBox_DoubleClick;

this.k0114PictureBox.DoubleClick += keyPictureBox_DoubleClick;

this.k0115PictureBox.DoubleClick += keyPictureBox_DoubleClick;

this.k0116PictureBox.DoubleClick += keyPictureBox_DoubleClick;

this.k0117PictureBox.DoubleClick += keyPictureBox_DoubleClick;

this.k0201PictureBox.DoubleClick += keyPictureBox_DoubleClick;

this.k0202PictureBox.DoubleClick += keyPictureBox_DoubleClick;

this.k0203PictureBox.DoubleClick += keyPictureBox_DoubleClick;

this.k0204PictureBox.DoubleClick += keyPictureBox_DoubleClick;

this.k0205PictureBox.DoubleClick += keyPictureBox_DoubleClick;

this.k0206PictureBox.DoubleClick += keyPictureBox_DoubleClick;

this.k0207PictureBox.DoubleClick += keyPictureBox_DoubleClick;

this.k0208PictureBox.DoubleClick += keyPictureBox_DoubleClick;

this.k0209PictureBox.DoubleClick += keyPictureBox_DoubleClick;

this.k0210PictureBox.DoubleClick += keyPictureBox_DoubleClick;

this.k0211PictureBox.DoubleClick += keyPictureBox_DoubleClick;

this.k0212PictureBox.DoubleClick += keyPictureBox_DoubleClick;

this.k0213PictureBox.DoubleClick += keyPictureBox_DoubleClick;

this.k0214PictureBox.DoubleClick += keyPictureBox_DoubleClick;

this.k0215PictureBox.DoubleClick += keyPictureBox_DoubleClick;

this.k0216PictureBox.DoubleClick += keyPictureBox_DoubleClick;

this.k0217PictureBox.DoubleClick += keyPictureBox_DoubleClick;

this.k0301PictureBox.DoubleClick += keyPictureBox_DoubleClick;

this.k0302PictureBox.DoubleClick += keyPictureBox_DoubleClick;

this.k0303PictureBox.DoubleClick += keyPictureBox_DoubleClick;

this.k0304PictureBox.DoubleClick += keyPictureBox_DoubleClick;

this.k0305PictureBox.DoubleClick += keyPictureBox_DoubleClick;

this.k0306PictureBox.DoubleClick += keyPictureBox_DoubleClick;

this.k0307PictureBox.DoubleClick += keyPictureBox_DoubleClick;

this.k0308PictureBox.DoubleClick += keyPictureBox_DoubleClick;

this.k0309PictureBox.DoubleClick += keyPictureBox_DoubleClick;

this.k0310PictureBox.DoubleClick += keyPictureBox_DoubleClick;

this.k0311PictureBox.DoubleClick += keyPictureBox_DoubleClick;

this.k0312PictureBox.DoubleClick += keyPictureBox_DoubleClick;

this.k0313PictureBox.DoubleClick += keyPictureBox_DoubleClick;

this.k0401PictureBox.DoubleClick += keyPictureBox_DoubleClick;

this.k0402PictureBox.DoubleClick += keyPictureBox_DoubleClick;

this.k0403PictureBox.DoubleClick += keyPictureBox_DoubleClick;

this.k0404PictureBox.DoubleClick += keyPictureBox_DoubleClick;

this.k0405PictureBox.DoubleClick += keyPictureBox_DoubleClick;

this.k0406PictureBox.DoubleClick += keyPictureBox_DoubleClick;

this.k0407PictureBox.DoubleClick += keyPictureBox_DoubleClick;

this.k0408PictureBox.DoubleClick += keyPictureBox_DoubleClick;

this.k0409PictureBox.DoubleClick += keyPictureBox_DoubleClick;

this.k0410PictureBox.DoubleClick += keyPictureBox_DoubleClick;

this.k0411PictureBox.DoubleClick += keyPictureBox_DoubleClick;

this.k0412PictureBox.DoubleClick += keyPictureBox_DoubleClick;

this.k0413PictureBox.DoubleClick += keyPictureBox_DoubleClick;

this.k0501PictureBox.DoubleClick += keyPictureBox_DoubleClick;

this.k0502PictureBox.DoubleClick += keyPictureBox_DoubleClick;

this.k0503PictureBox.DoubleClick += keyPictureBox_DoubleClick;

this.k0504PictureBox.DoubleClick += keyPictureBox_DoubleClick;

this.k0505PictureBox.DoubleClick += keyPictureBox_DoubleClick;

this.k0506PictureBox.DoubleClick += keyPictureBox_DoubleClick;

this.k0507PictureBox.DoubleClick += keyPictureBox_DoubleClick;

this.k0508PictureBox.DoubleClick += keyPictureBox_DoubleClick;

this.k0509PictureBox.DoubleClick += keyPictureBox_DoubleClick;

this.k0510PictureBox.DoubleClick += keyPictureBox_DoubleClick;

this.k0511PictureBox.DoubleClick += keyPictureBox_DoubleClick;

}

#endregion

#region 폼 닫힌 경우 처리하기 - Form_FormClosed(sender, e)

/// <summary>

/// 폼 닫힌 경우 처리하기

/// </summary>

/// <param name="sender">이벤트 발생자</param>

/// <param name="e">이벤트 인자</param>

private void Form_FormClosed(object sender, FormClosedEventArgs e)

{

if(this.isPressedSHIFT)

{

keyPictureBox_Click(this.k0401PictureBox, EventArgs.Empty);

}

#endregion

#region 키 클릭시 처리하기 - keyPictureBox_Click(sender, e)

/// <summary>

/// 키 클릭시 처리하기

/// </summary>

/// <param name="sender">이벤트 발생자</param>

/// <param name="e">이벤트 인자</param>

private void keyPictureBox_Click(object sender, EventArgs e)

{

PictureBox keyPictureBox = sender as PictureBox;

if(keyPictureBox == null)

{

return;

}

#region 1행

if(keyPictureBox == this.k0101PictureBox) // "~"

{

keybd_event((byte)Keys.Oem3, 0, 0 , 0);

keybd_event((byte)Keys.Oem3, 0, 0x02, 0);

}

if(keyPictureBox == this.k0102PictureBox) // "1"

{

keybd_event((byte)Keys.D1, 0, 0 , 0);

keybd_event((byte)Keys.D1, 0, 0x02, 0);

}

if(keyPictureBox == this.k0103PictureBox) // "2"

{

keybd_event((byte)Keys.D2, 0, 0 , 0);

keybd_event((byte)Keys.D2, 0, 0x02, 0);

}

if(keyPictureBox == this.k0104PictureBox) // "3"

{

keybd_event((byte)Keys.D3, 0, 0 , 0);

keybd_event((byte)Keys.D3, 0, 0x02, 0);

}

if(keyPictureBox == this.k0105PictureBox) // "4"

{

keybd_event((byte)Keys.D4, 0, 0 , 0);

keybd_event((byte)Keys.D4, 0, 0x02, 0);

}

if(keyPictureBox == this.k0106PictureBox) // "5"

{

keybd_event((byte)Keys.D5, 0, 0 , 0);

keybd_event((byte)Keys.D5, 0, 0x02, 0);

}

if(keyPictureBox == this.k0107PictureBox) // "6"

{

keybd_event((byte)Keys.D6, 0, 0 , 0);

keybd_event((byte)Keys.D6, 0, 0x02, 0);

}

if(keyPictureBox == this.k0108PictureBox) // "7"

{

keybd_event((byte)Keys.D7, 0, 0 , 0);

keybd_event((byte)Keys.D7, 0, 0x02, 0);

}

if(keyPictureBox == this.k0109PictureBox) // "8"

{

keybd_event((byte)Keys.D8, 0, 0 , 0);

keybd_event((byte)Keys.D8, 0, 0x02, 0);

}

if(keyPictureBox == this.k0110PictureBox) // "9"

{

keybd_event((byte)Keys.D9, 0, 0 , 0);

keybd_event((byte)Keys.D9, 0, 0x02, 0);

}

if(keyPictureBox == this.k0111PictureBox) // "0"

{

keybd_event((byte)Keys.D0, 0, 0 , 0);

keybd_event((byte)Keys.D0, 0, 0x02, 0);

}

if(keyPictureBox == this.k0112PictureBox) // "-"

{

keybd_event((byte)Keys.OemMinus, 0, 0 , 0);

keybd_event((byte)Keys.OemMinus, 0, 0x02, 0);

}

if(keyPictureBox == this.k0113PictureBox) // "+"

{

keybd_event((byte)Keys.Oemplus, 0, 0 , 0);

keybd_event((byte)Keys.Oemplus, 0, 0x02, 0);

}

if(keyPictureBox == this.k0114PictureBox) // "Backspace"

{

keybd_event((byte)Keys.Back, 0, 0 , 0);

keybd_event((byte)Keys.Back, 0, 0x02, 0);

}

if(keyPictureBox == this.k0115PictureBox) // "Insert"

{

keybd_event((byte)Keys.Insert, 0, 0 , 0);

keybd_event((byte)Keys.Insert, 0, 0x02, 0);

}

if(keyPictureBox == this.k0116PictureBox) // "Home"

{

keybd_event((byte)Keys.Home, 0, 0 , 0);

keybd_event((byte)Keys.Home, 0, 0x02, 0);

}

if(keyPictureBox == this.k0117PictureBox) // "PgUp"

{

keybd_event((byte)Keys.PageUp, 0, 0 , 0);

keybd_event((byte)Keys.PageUp, 0, 0x02, 0);

}

#endregion

#region 2행

if(keyPictureBox == this.k0201PictureBox) // "Tab"

{

keybd_event((byte)Keys.Tab, 0, 0 , 0);

keybd_event((byte)Keys.Tab, 0, 0x02, 0);

}

if(keyPictureBox == this.k0202PictureBox) // "Q"

{

keybd_event((byte)Keys.Q, 0, 0 , 0);

keybd_event((byte)Keys.Q, 0, 0x02, 0);

}

if(keyPictureBox == this.k0203PictureBox) // "W"

{

keybd_event((byte)Keys.W, 0, 0 , 0);

keybd_event((byte)Keys.W, 0, 0x02, 0);

}

if(keyPictureBox == this.k0204PictureBox) // "E"

{

keybd_event((byte)Keys.E, 0, 0 , 0);

keybd_event((byte)Keys.E, 0, 0x02, 0);

}

if(keyPictureBox == this.k0205PictureBox) // "R"

{

keybd_event((byte)Keys.R, 0, 0 , 0);

keybd_event((byte)Keys.R, 0, 0x02, 0);

}

if(keyPictureBox == this.k0206PictureBox) // "T"

{

keybd_event((byte)Keys.T, 0, 0 , 0);

keybd_event((byte)Keys.T, 0, 0x02, 0);

}

if(keyPictureBox == this.k0207PictureBox) // "Y"

{

keybd_event((byte)Keys.Y, 0, 0 , 0);

keybd_event((byte)Keys.Y, 0, 0x02, 0);

}

if(keyPictureBox == this.k0208PictureBox) // "U"

{

keybd_event((byte)Keys.U, 0, 0 , 0);

keybd_event((byte)Keys.U, 0, 0x02, 0);

}

if(keyPictureBox == this.k0209PictureBox) // "I"

{

keybd_event((byte)Keys.I, 0, 0 , 0);

keybd_event((byte)Keys.I, 0, 0x02, 0);

}

if(keyPictureBox == this.k0210PictureBox) // "O"

{

keybd_event((byte)Keys.O, 0, 0 , 0);

keybd_event((byte)Keys.O, 0, 0x02, 0);

}

if(keyPictureBox == this.k0211PictureBox) // "P"

{

keybd_event((byte)Keys.P, 0, 0 , 0);

keybd_event((byte)Keys.P, 0, 0x02, 0);

}

if(keyPictureBox == this.k0212PictureBox) // "["

{

keybd_event((byte)Keys.Oem4, 0, 0 , 0);

keybd_event((byte)Keys.Oem4, 0, 0x02, 0);

}

if(keyPictureBox == this.k0213PictureBox) // "]"

{

keybd_event((byte)Keys.Oem6, 0, 0 , 0);

keybd_event((byte)Keys.Oem6, 0, 0x02, 0);

}

if(keyPictureBox == this.k0214PictureBox) // "\"

{

keybd_event((byte)Keys.Oem5, 0, 0 , 0);

keybd_event((byte)Keys.Oem5, 0, 0x02, 0);

}

if(keyPictureBox == this.k0215PictureBox) // "Delete"

{

keybd_event((byte)Keys.Delete, 0, 0 , 0);

keybd_event((byte)Keys.Delete, 0, 0x02, 0);

}

if(keyPictureBox == this.k0216PictureBox) // "End"

{

keybd_event((byte)Keys.End, 0, 0 , 0);

keybd_event((byte)Keys.End, 0, 0x02, 0);

}

if(keyPictureBox == this.k0217PictureBox) // "PgDn"

{

keybd_event((byte)Keys.PageDown, 0, 0 , 0);

keybd_event((byte)Keys.PageDown, 0, 0x02, 0);

}

#endregion

#region 3행

if(keyPictureBox == this.k0301PictureBox) // "Caps Lock"

{

Image image;

if(this.isPressedCAPSLOCK)

{

image = Properties.Resources.K0301;

}

else

{

image = Properties.Resources.K0301ON;

}

this.k0301PictureBox.Image = image;

this.isPressedCAPSLOCK = this.isPressedCAPSLOCK ^ true;

keybd_event((byte)Keys.CapsLock, 0, 0 , 0);

keybd_event((byte)Keys.CapsLock, 0, 0x02, 0);

}

if(keyPictureBox == this.k0302PictureBox) // "A"

{

keybd_event((byte)Keys.A, 0, 0 , 0);

keybd_event((byte)Keys.A, 0, 0x02, 0);

}

if(keyPictureBox == this.k0303PictureBox) // "S"

{

keybd_event((byte)Keys.S, 0, 0 , 0);

keybd_event((byte)Keys.S, 0, 0x02, 0);

}

if(keyPictureBox == this.k0304PictureBox) // "D"

{

keybd_event((byte)Keys.D, 0, 0 , 0);

keybd_event((byte)Keys.D, 0, 0x02, 0);

}

if(keyPictureBox == this.k0305PictureBox) // "F"

{

keybd_event((byte)Keys.F, 0, 0 , 0);

keybd_event((byte)Keys.F, 0, 0x02, 0);

}

if(keyPictureBox == this.k0306PictureBox) // "G"

{

keybd_event((byte)Keys.G, 0, 0 , 0);

keybd_event((byte)Keys.G, 0, 0x02, 0);

}

if(keyPictureBox == this.k0307PictureBox) // "H"

{

keybd_event((byte)Keys.H, 0, 0 , 0);

keybd_event((byte)Keys.H, 0, 0x02, 0);

}

if(keyPictureBox == this.k0308PictureBox) // "J"

{

keybd_event((byte)Keys.J, 0, 0 , 0);

keybd_event((byte)Keys.J, 0, 0x02, 0);

}

if(keyPictureBox == this.k0309PictureBox) // "K"

{

keybd_event((byte)Keys.K, 0, 0 , 0);

keybd_event((byte)Keys.K, 0, 0x02, 0);

}

if(keyPictureBox == this.k0310PictureBox) // "L"

{

keybd_event((byte)Keys.L, 0, 0 , 0);

keybd_event((byte)Keys.L, 0, 0x02, 0);

}

if(keyPictureBox == this.k0311PictureBox) // ";"

{

keybd_event((byte)Keys.OemSemicolon, 0, 0 , 0);

keybd_event((byte)Keys.OemSemicolon, 0, 0x02, 0);

}

if(keyPictureBox == this.k0312PictureBox) // "'"

{

keybd_event((byte)Keys.OemQuotes, 0, 0 , 0);

keybd_event((byte)Keys.OemQuotes, 0, 0x02, 0);

}

if(keyPictureBox == this.k0313PictureBox) // "Enter"

{

keybd_event((byte)Keys.Enter, 0, 0 , 0);

keybd_event((byte)Keys.Enter, 0, 0x02, 0);

}

#endregion

#region 4행

if(keyPictureBox == this.k0401PictureBox) // "Left Shift"

{

if(this.isPressedSHIFT == false)

{

this.isPressedSHIFT = true;

Image leftSHIFTImage = Properties.Resources.K0401ON;

Image rightSHIFTImage = Properties.Resources.K0412ON;

this.k0401PictureBox.Image = leftSHIFTImage;

this.k0412PictureBox.Image = rightSHIFTImage;

keybd_event((byte)Keys.LShiftKey, 0, 0, 0);

}

else

{

this.isPressedSHIFT = false;

Image leftSHIFTImage = Properties.Resources.K0401;

Image rightSHIFTImage = Properties.Resources.K0412;

this.k0401PictureBox.Image = leftSHIFTImage;

this.k0412PictureBox.Image = rightSHIFTImage;

keybd_event((byte)Keys.LShiftKey, 0, 0x02, 0);

}

if(keyPictureBox == this.k0402PictureBox) // "Z"

{

keybd_event((byte)Keys.Z, 0, 0 , 0);

keybd_event((byte)Keys.Z, 0, 0x02, 0);

}

if(keyPictureBox == this.k0403PictureBox) // "X"

{

keybd_event((byte)Keys.X, 0, 0 , 0);

keybd_event((byte)Keys.X, 0, 0x02, 0);

}

if(keyPictureBox == this.k0404PictureBox) // "C"

{

keybd_event((byte)Keys.C, 0, 0, 0);

keybd_event((byte)Keys.C, 0, 0x02, 0);

}

if(keyPictureBox == this.k0405PictureBox) // "V"

{

keybd_event((byte)Keys.V, 0, 0, 0);

keybd_event((byte)Keys.V, 0, 0x02, 0);

}

if(keyPictureBox == this.k0406PictureBox) // "B"

{

keybd_event((byte)Keys.B, 0, 0 , 0);

keybd_event((byte)Keys.B, 0, 0x02, 0);

}

if(keyPictureBox == this.k0407PictureBox) // "N"

{

keybd_event((byte)Keys.N, 0, 0 , 0);

keybd_event((byte)Keys.N, 0, 0x02, 0);

}

if(keyPictureBox == this.k0408PictureBox) // "M"

{

keybd_event((byte)Keys.M, 0, 0 , 0);

keybd_event((byte)Keys.M, 0, 0x02, 0);

}

if(keyPictureBox == this.k0409PictureBox) // "<"

{

keybd_event((byte)Keys.Oemcomma, 0, 0 , 0);

keybd_event((byte)Keys.Oemcomma, 0, 0x02, 0);

}

if(keyPictureBox == this.k0410PictureBox) // ">"

{

keybd_event((byte)Keys.OemPeriod, 0, 0 , 0);

keybd_event((byte)Keys.OemPeriod, 0, 0x02, 0);

}

if(keyPictureBox == this.k0411PictureBox) // "?"

{

keybd_event((byte)Keys.OemQuestion, 0, 0, 0);

keybd_event((byte)Keys.OemQuestion, 0, 0x02, 0);

}

if(keyPictureBox == this.k0412PictureBox) // "Right Shift"

{

if(this.isPressedSHIFT == false)

{

this.isPressedSHIFT = true;

Image leftSHIFTImage = Properties.Resources.K0401ON;

Image rightSHIFTImage = Properties.Resources.K0412ON;

this.k0401PictureBox.Image = leftSHIFTImage;

this.k0412PictureBox.Image = rightSHIFTImage;

keybd_event((byte)Keys.RShiftKey, 0, 0, 0);

}

else

{

this.isPressedSHIFT = false;

Image leftSHIFTImage = Properties.Resources.K0401;

Image rightSHIFTImage = Properties.Resources.K0412;

this.k0401PictureBox.Image = leftSHIFTImage;

this.k0412PictureBox.Image = rightSHIFTImage;

keybd_event((byte)Keys.RShiftKey, 0, 0x02, 0);

}

if(keyPictureBox == this.k0413PictureBox) // "↑"

{

keybd_event((byte)Keys.Up, 0, 0 , 0);

keybd_event((byte)Keys.Up, 0, 0x02, 0);

}

#endregion

#region 5행

if(keyPictureBox == this.k0501PictureBox) // "Left Ctrl"

{

keybd_event((byte)Keys.LControlKey, 0, 0 , 0);

keybd_event((byte)Keys.LControlKey, 0, 0x02, 0);

}

if(keyPictureBox == this.k0502PictureBox) // "Left Alt"

{

keybd_event((byte)Keys.LMenu, 0, 0 , 0);

keybd_event((byte)Keys.LMenu, 0, 0x02, 0);

}

if(keyPictureBox == this.k0503PictureBox) // "한자"

{

keybd_event((byte)Keys.HanjaMode, 0, 0 , 0);

keybd_event((byte)Keys.HanjaMode, 0, 0x02, 0);

}

if(keyPictureBox == this.k0504PictureBox) // "Space"

{

keybd_event((byte)Keys.Space, 0, 0 , 0);

keybd_event((byte)Keys.Space, 0, 0x02, 0);

}

if(keyPictureBox == this.k0505PictureBox) // "한글/영문"

{

if(this.isHANGULMode == false)

{

this.isHANGULMode = true;

Image image = Properties.Resources.K0505HANGUL;

this.k0505PictureBox.Image = image;

}

else

{

this.isHANGULMode = false;

Image image = Properties.Resources.K0505ENGLISH;

this.k0505PictureBox.Image = image;

}

keybd_event((byte)Keys.HangulMode, 0, 0, 0);

}

if(keyPictureBox == this.k0506PictureBox) // "Right Alt"

{

keybd_event((byte)Keys.RMenu, 0, 0 , 0);

keybd_event((byte)Keys.RMenu, 0, 0x02, 0);

}

if(keyPictureBox == this.k0507PictureBox) // "Print"

{

keybd_event((byte)Keys.Apps, 0, 0 , 0);

keybd_event((byte)Keys.Apps, 0, 0x0002, 0);

}

if(keyPictureBox == this.k0508PictureBox) // "Right Ctrl"

{

keybd_event((byte)Keys.RControlKey, 0, 0 , 0);

keybd_event((byte)Keys.RControlKey, 0, 0x02, 0);

}

if(keyPictureBox == this.k0509PictureBox) // "←"

{

keybd_event((byte)Keys.Left, 0, 0 , 0);

keybd_event((byte)Keys.Left, 0, 0x02, 0);

}

if(keyPictureBox == this.k0510PictureBox) // "↓"

{

keybd_event((byte)Keys.Down, 0, 0 , 0);

keybd_event((byte)Keys.Down, 0, 0x02, 0);

}

if(keyPictureBox == this.k0511PictureBox) // "→"

{

keybd_event((byte)Keys.Right, 0, 0 , 0);

keybd_event((byte)Keys.Right, 0, 0x02, 0);

}

#endregion

PlaySound(sender);

}

#endregion

#region 키 더블 클릭시 처리하기 - keyPictureBox_DoubleClick(sender, e)

/// <summary>

/// 키 더블 클릭시 처리하기

/// </summary>

/// <param name="sender">이벤트 발생자</param>

/// <param name="e">이벤트 인자</param>

private void keyPictureBox_DoubleClick(object sender, EventArgs e)

{

keyPictureBox_Click(sender, EventArgs.Empty);

}

#endregion

//////////////////////////////////////////////////////////////////////////////// Function

#region 초기화 하기 - Initialize()

/// <summary>

/// 초기화 하기

/// </summary>

private void Initialize()

{

InitHook(this.virtualKeyboardPanel.Handle);

InstallHook();

}

#endregion

#region URI 구하기 - GetURI(filePath)

/// <summary>

/// URI 구하기

/// </summary>

/// <param name="filePath">파일 경로</param>

/// <returns>URI</returns>

private string GetURI(string filePath)

{

string applicationPath = Application.ExecutablePath;

int index = applicationPath.LastIndexOf(@"\");

applicationPath = applicationPath.Substring(0, index + 1);

string uri = applicationPath + filePath;

return uri;

}

#endregion

#region 사운드 재생하기 - PlaySound(filePath)

/// <summary>

/// 사운드 재생하기

/// </summary>

/// <param name="filePath">파일 경로</param>

private void PlaySound(string filePath)

{

SoundPlayer soundPlayer = new SoundPlayer();

soundPlayer.SoundLocation = GetURI(filePath);

soundPlayer.Play();

}

#endregion

#region 사운드 재생하기 - PlaySound(sender)

/// <summary>

/// 사운드 재생하기

/// </summary>

/// <param name="sender">이벤트 발생자</param>

private void PlaySound(object sender)

{

if(this.playSound)

{

PictureBox keyPictureBox = sender as PictureBox;

if(keyPictureBox == null)

{

return;

}

if(keyPictureBox == this.k0313PictureBox || keyPictureBox == this.k0401PictureBox ||

keyPictureBox == this.k0412PictureBox || keyPictureBox == this.k0504PictureBox ||

keyPictureBox == this.k0505PictureBox)

{

PlaySound("\\SOUND\\ShortFX.wav");

}

else

{

PlaySound("\\SOUND\\PlasticPot.wav");

}

#endregion

}

TestProject.zip

[C#/WINFORM] 후킹을 사용해 화면 잠그기

■ 후킹을 사용해 화면을 잠그는 방법을 보여준다. ▶ MainForm.cs


using Microsoft.Win32;
using System;
using System.Diagnostics;
using System.Drawing;
using System.Runtime.InteropServices;
using System.Windows.Forms;

namespace TestProject
{
    /// <summary>
    /// 메인 폼
    /// </summary>
    public partial class MainForm : Form
    {
        //////////////////////////////////////////////////////////////////////////////////////////////////// Structure
        ////////////////////////////////////////////////////////////////////////////////////////// Public

        #region 키보드 저수준 후킹 구조체 - KBDLLHOOKSTRUCT

        /// <summary>
        /// 키보드 저수준 후킹 구조체
        /// </summary>
        public struct KBDLLHOOKSTRUCT
        {
            //////////////////////////////////////////////////////////////////////////////////////////////////// Field
            ////////////////////////////////////////////////////////////////////////////////////////// Public

            #region Field

            /// <summary>
            /// 가상 키 코드
            /// </summary>
            public int VirtualKeyCode;

            /// <summary>
            /// 스캔 코드
            /// </summary>
            public int ScanCode;

            /// <summary>
            /// 플래그
            /// </summary>
            public int Flags;

            /// <summary>
            /// 시간
            /// </summary>
            public int Time;

            /// <summary>
            /// 부가 정보
            /// </summary>
            public int ExtraInfo;

            #endregion
        }

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Delegate
        ////////////////////////////////////////////////////////////////////////////////////////// Private

        #region 키보드 후킹 처리 대리자 - ProcessKeyboardHookDelegate(code, wordParameter, longParameter)

        /// <summary>
        /// 키보드 후킹 처리 대리자
        /// </summary>
        /// <param name="code">코드</param>
        /// <param name="wordParameter">WORD 매개 변수</param>
        /// <param name="longParameter">LONG 매개 변수</param>
        /// <returns>처리 결과</returns>
        private delegate int ProcessKeyboardHookDelegate(int code, int wordParameter, ref KBDLLHOOKSTRUCT longParameter);

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Import
        ////////////////////////////////////////////////////////////////////////////////////////// Static
        //////////////////////////////////////////////////////////////////////////////// Private

        #region 윈도우 후킹 설정하기 - SetWindowsHookEx(hookID, processKeyboardHookDelegate, moduleHandle, threadID)

        /// <summary>
        /// 윈도우 후킹 설정하기
        /// </summary>
        /// <param name="hookID">후킹 ID</param>
        /// <param name="processKeyboardHookDelegate">키보드 후킹 처리 대리자</param>
        /// <param name="moduleHandle">모듈 핸들</param>
        /// <param name="threadID">스레드 ID</param>
        /// <returns>처리 결과</returns>
        [DllImport("user32.dll", CharSet = CharSet.Auto, SetLastError = true)]
        private static extern int SetWindowsHookEx(int hookID, ProcessKeyboardHookDelegate processKeyboardHookDelegate, IntPtr moduleHandle, uint threadID);

        #endregion
        #region 윈도우 후킹 해제하기 - UnhookWindowsHookEx(hookHandle)

        /// <summary>
        /// 윈도우 후킹 해제하기
        /// </summary>
        /// <param name="hookHandle">후킹 핸들</param>
        /// <returns>처리 결과</returns>
        [DllImport("user32.dll", CharSet = CharSet.Auto, SetLastError = true)]
        [return: MarshalAs(UnmanagedType.Bool)]
        private static extern bool UnhookWindowsHookEx(int hookHandle);

        #endregion
        #region 다음 후킹 호출하기 - CallNextHookEx(hookHandle, code, wordParameter, longParameter)

        /// <summary>
        /// 다음 후킹 호출하기
        /// </summary>
        /// <param name="hookHandle">후킹 핸들</param>
        /// <param name="code">코드</param>
        /// <param name="wordParameter">WORD 매개 변수</param>
        /// <param name="longParameter">LONG 매개 변수</param>
        /// <returns>처리 결과</returns>
        [DllImport("user32.dll", CharSet = CharSet.Auto, SetLastError = true)]
        private static extern int CallNextHookEx(int hookHandle, int code, int wordParameter, ref KBDLLHOOKSTRUCT longParameter);

        #endregion
        #region 모듈 핸들 구하기 - GetModuleHandle(modulName)

        /// <summary>
        /// 모듈 핸들 구하기
        /// </summary>
        /// <param name="modulName">모듈명</param>
        /// <returns>모듈 핸들</returns>
        [DllImport("kernel32.dll", CharSet = CharSet.Auto, SetLastError = true)]
        private static extern IntPtr GetModuleHandle(string modulName);

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Field
        ////////////////////////////////////////////////////////////////////////////////////////// Static
        //////////////////////////////////////////////////////////////////////////////// Private

        #region Field

        /// <summary>
        /// 키보드 후킹 처리 대리자
        /// </summary>
        private static ProcessKeyboardHookDelegate _processKeyboardHookDelegate = ProcessKeyboardHook;

        /// <summary>
        /// 후킹 ID
        /// </summary>
        private static int _hookID = 0;

        #endregion

        ////////////////////////////////////////////////////////////////////////////////////////// Instance
        //////////////////////////////////////////////////////////////////////////////// Private

        #region Field

        /// <summary>
        /// WH_KEYBOARD_LL
        /// </summary>
        private const int WH_KEYBOARD_LL = 13;

        /// <summary>
        /// WM_KEYDOWN
        /// </summary>
        private const int WM_KEYDOWN = 0x0100;

        /// <summary>
        /// WM_KEYUP
        /// </summary>
        private const int WM_KEYUP = 0x0101;

        /// <summary>
        /// WM_SYSKEYDOWN
        /// </summary>
        private const int WM_SYSKEYDOWN = 0x0104;

        /// <summary>
        /// WM_SYSKEYUP
        /// </summary>
        private const int WM_SYSKEYUP = 0x0105;


        /// <summary>
        /// 화면 사각형
        /// </summary>
        private Rectangle screenRectangle = Screen.PrimaryScreen.Bounds;

        /// <summary>
        /// 마우스 X 좌표
        /// </summary>
        private int mouseX = 0;

        /// <summary>
        /// 마우스 Y 좌표
        /// </summary>
        private int mouseY = 0;

        /// <summary>
        /// 스크린 세이버 중단 가능 여부
        /// </summary>
        private bool canStopScreenSaver = true;

        /// <summary>
        /// 난수 발생기
        /// </summary>
        private Random random = new Random();

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor
        ////////////////////////////////////////////////////////////////////////////////////////// Public

        #region 생성자 - MainForm()

        /// <summary>
        /// 생성자
        /// </summary>
        public MainForm()
        {
            InitializeComponent();

            Load                += Form_Load;
            Click               += Form_Click;
            MouseDown           += Form_MouseDown;
            MouseMove           += Form_MouseMove;
            MouseClick          += Form_MouseClick;
            this.timer.Tick     += timer_Tick;
            this.lockTimer.Tick += lockTimer_Tick;
        }

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Method
        ////////////////////////////////////////////////////////////////////////////////////////// Static
        //////////////////////////////////////////////////////////////////////////////// Private
        ////////////////////////////////////////////////////////////////////// Function

        #region 키보드 후킹 처리하기 - ProcessKeyboardHook(code, wordParameter, longParameter)

        /// <summary>
        /// 키보드 후킹 처리하기
        /// </summary>
        /// <param name="code">코드</param>
        /// <param name="wordParameter">WORD 매개 변수</param>
        /// <param name="longParameter">LONG 매개 변수</param>
        /// <returns>처리 결과</returns>
        private static int ProcessKeyboardHook(int code, int wordParameter, ref KBDLLHOOKSTRUCT longParameter)
        {
            bool result = false;

            switch(wordParameter)
            {
                case WM_KEYDOWN    :
                case WM_KEYUP      :
                case WM_SYSKEYDOWN :
                case WM_SYSKEYUP   :

                    result = ((longParameter.VirtualKeyCode == 0x09) && (longParameter.Flags == 0x20)) || // Alt + Tab
                             ((longParameter.VirtualKeyCode == 0x1B) && (longParameter.Flags == 0x20)) || // Alt + Esc
                             ((longParameter.VirtualKeyCode == 0x1B) && (longParameter.Flags == 0x00)) || // Ctrl + Esc
                             ((longParameter.VirtualKeyCode == 0x5B) && (longParameter.Flags == 0x01)) || // Left Windows Key
                             ((longParameter.VirtualKeyCode == 0x5C) && (longParameter.Flags == 0x01)) || // Right Windows Key
                             ((longParameter.VirtualKeyCode == 0x73) && (longParameter.Flags == 0x20));   // Alt + F4

                    break;
            }

            if(result == true)
            {
                return 1;
            }
            else
            {
                return CallNextHookEx(0, code, wordParameter, ref longParameter);
            }
        }

        #endregion

        ////////////////////////////////////////////////////////////////////////////////////////// Instance
        //////////////////////////////////////////////////////////////////////////////// Private
        ////////////////////////////////////////////////////////////////////// Event

        #region 폼 로드시 처리하기 - Form_Load(sender, e)

        /// <summary>
        /// 폼 로드시 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private void Form_Load(object sender, EventArgs e)
        {
            this.timer.Enabled     = true;
            this.lockTimer.Enabled = true;

            this.canStopScreenSaver = true;

            Cursor.Hide();

            DisableTaskManager();

            _hookID = SetHook(_processKeyboardHookDelegate);
        }

        #endregion
        #region 폼 클릭시 처리하기 - Form_Click(sender, e)

        /// <summary>
        /// 폼 클릭시 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private void Form_Click(object sender, EventArgs e)
        {
            StopScreenSaver();
        }

        #endregion
        #region 폼 마우스 DOWN 처리하기 - Form_MouseDown(sender, e)

        /// <summary>
        /// 폼 마우스 DOWN 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private void Form_MouseDown(object sender, MouseEventArgs e)
        {
            StopScreenSaver();
        }

        #endregion
        #region 폼 마우스 이동시 처리하기 - Form_MouseMove(sender, e)

        /// <summary>
        /// 폼 마우스 이동시 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private void Form_MouseMove(object sender, MouseEventArgs e)
        {
            if((this.mouseX == 0) && (this.mouseY == 0))
            {
                this.mouseX = e.X;
                this.mouseY = e.Y;

                return;
            }
            else if((e.X != this.mouseX) || (e.Y != this.mouseY))
            {
                StopScreenSaver();
            }
        }

        #endregion
        #region 폼 마우스 클릭시 처리하기 - Form_MouseClick(sender, e)

        /// <summary>
        /// 폼 마우스 클릭시 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private void Form_MouseClick(object sender, MouseEventArgs e)
        {
             StopScreenSaver();
        }

        #endregion

        #region 타이머 틱 처리하기 - timer_Tick(sender, e)

        /// <summary>
        /// 타이머 틱 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private void timer_Tick(object sender, EventArgs e)
        {
            int x = this.random.Next(0, this.screenRectangle.Width  - 50);
            int y = this.random.Next(0, this.screenRectangle.Height - 50);

            using(Graphics graphics = CreateGraphics())
            {
                Pen pen = new Pen(Color.Yellow, 10);

                Rectangle rectangle = new Rectangle(x, y, 100, 100);

                graphics.DrawArc(pen, rectangle, 0, 365);
            }
        }

        #endregion
        #region 잠금 타이머 틱 처리하기 - lockTimer_Tick(sender, e)

        /// <summary>
        /// 잠금 타이머 틱 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private void lockTimer_Tick(object sender, EventArgs e)
        {
            this.canStopScreenSaver = false;

            this.lockTimer.Enabled = false;
        }

        #endregion

        ////////////////////////////////////////////////////////////////////// Function

        #region 태스크 관리자 비활성화 하기 - DisableTaskManager()

        /// <summary>
        /// 태스크 관리자 비활성화 하기
        /// </summary>
        /// <remarks>Ctrl + Alt + Delete 키 입력을 거부한다.</remarks>
        public static void DisableTaskManager()
        {
            RegistryKey registryKey;
            int         keyValue = 1;
            string      subKey   = "Software\\Microsoft\\Windows\\CurrentVersion\\Policies\\System";

            try
            {
                registryKey = Registry.CurrentUser.CreateSubKey(subKey);

                registryKey.SetValue("DisableTaskMgr", keyValue);

                registryKey.Close();
            }
            catch(Exception exception)
            {
                MessageBox.Show(exception.Message);
            }
        }

        #endregion
        #region 태스크 관리자 활성화 하기 - EnableTaskManager()

        /// <summary>
        /// 태스크 관리자 활성화 하기
        /// </summary>
        /// <remarks>Ctrl + Alt + Delete 키 입력을 허용한다.</remarks>
        public static void EnableTaskManager()
        {
            try
            {
                RegistryKey currentUserRegistryKey = Registry.CurrentUser;
                string      subKey                 = "Software\\Microsoft\\Windows\\CurrentVersion\\Policies\\System";
                RegistryKey registryKey            = currentUserRegistryKey.OpenSubKey(subKey);

                if(registryKey != null)
                {
                    currentUserRegistryKey.DeleteSubKeyTree(subKey);
                }
            }
            catch(Exception exception)
            {
                MessageBox.Show(exception.Message);
            }
        }

        #endregion
        #region 후킹 설정하기 - SetHook(processKeyboardHookDelegate)

        /// <summary>
        /// 후킹 설정하기
        /// </summary>
        /// <param name="processKeyboardHookDelegate">키보드 후킹 처리 대리자</param>
        /// <returns>처리 결과</returns>
        private static int SetHook(ProcessKeyboardHookDelegate processKeyboardHookDelegate)
        {
            using(Process process = Process.GetCurrentProcess())
            {
                using(ProcessModule processModule = process.MainModule)
                {
                    return SetWindowsHookEx(WH_KEYBOARD_LL, processKeyboardHookDelegate, GetModuleHandle(processModule.ModuleName), 0);
                }
            }
        }

        #endregion
        #region 스크린 세이버 중단하기 - StopScreenSaver()

        /// <summary>
        /// 스크린 세이버 중단하기
        /// </summary>
        private void StopScreenSaver()
        {
            if(this.canStopScreenSaver == true)
            {
                Cursor.Show();

                this.timer.Enabled = false;

                UnhookWindowsHookEx(_hookID);

                EnableTaskManager();

                Application.Exit();
            }
            else
            {
                Cursor.Show();

                InputPasswordForm popup = new InputPasswordForm();

                if(popup.ShowDialog() == DialogResult.OK)
                {
                    UnhookWindowsHookEx(_hookID);

                    EnableTaskManager();

                    Application.ExitThread();
                }
                else
                {
                    Cursor.Hide();

                    this.mouseX = 0;
                    this.mouseY = 0;
                }
            }
        }

        #endregion
    }
}

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using Microsoft.Win32;

using System;

using System.Diagnostics;

using System.Drawing;

using System.Runtime.InteropServices;

using System.Windows.Forms;

namespace TestProject

{

/// <summary>

/// 메인 폼

/// </summary>

public partial class MainForm : Form

{

//////////////////////////////////////////////////////////////////////////////////////////////////// Structure

////////////////////////////////////////////////////////////////////////////////////////// Public

#region 키보드 저수준 후킹 구조체 - KBDLLHOOKSTRUCT

/// <summary>

/// 키보드 저수준 후킹 구조체

/// </summary>

public struct KBDLLHOOKSTRUCT

{

//////////////////////////////////////////////////////////////////////////////////////////////////// Field

////////////////////////////////////////////////////////////////////////////////////////// Public

#region Field

/// <summary>

/// 가상 키 코드

/// </summary>

public int VirtualKeyCode;

/// <summary>

/// 스캔 코드

/// </summary>

public int ScanCode;

/// <summary>

/// 플래그

/// </summary>

public int Flags;

/// <summary>

/// 시간

/// </summary>

public int Time;

/// <summary>

/// 부가 정보

/// </summary>

public int ExtraInfo;

#endregion

}

#endregion

//////////////////////////////////////////////////////////////////////////////////////////////////// Delegate

////////////////////////////////////////////////////////////////////////////////////////// Private

#region 키보드 후킹 처리 대리자 - ProcessKeyboardHookDelegate(code, wordParameter, longParameter)

/// <summary>

/// 키보드 후킹 처리 대리자

/// </summary>

/// <param name="code">코드</param>

/// <param name="wordParameter">WORD 매개 변수</param>

/// <param name="longParameter">LONG 매개 변수</param>

/// <returns>처리 결과</returns>

private delegate int ProcessKeyboardHookDelegate(int code, int wordParameter, ref KBDLLHOOKSTRUCT longParameter);

#endregion

//////////////////////////////////////////////////////////////////////////////////////////////////// Import

////////////////////////////////////////////////////////////////////////////////////////// Static

//////////////////////////////////////////////////////////////////////////////// Private

#region 윈도우 후킹 설정하기 - SetWindowsHookEx(hookID, processKeyboardHookDelegate, moduleHandle, threadID)

/// <summary>

/// 윈도우 후킹 설정하기

/// </summary>

/// <param name="hookID">후킹 ID</param>

/// <param name="processKeyboardHookDelegate">키보드 후킹 처리 대리자</param>

/// <param name="moduleHandle">모듈 핸들</param>

/// <param name="threadID">스레드 ID</param>

/// <returns>처리 결과</returns>

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

private static extern int SetWindowsHookEx(int hookID, ProcessKeyboardHookDelegate processKeyboardHookDelegate, IntPtr moduleHandle, uint threadID);

#endregion

#region 윈도우 후킹 해제하기 - UnhookWindowsHookEx(hookHandle)

/// <summary>

/// 윈도우 후킹 해제하기

/// </summary>

/// <param name="hookHandle">후킹 핸들</param>

/// <returns>처리 결과</returns>

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

[return: MarshalAs(UnmanagedType.Bool)]

private static extern bool UnhookWindowsHookEx(int hookHandle);

#endregion

#region 다음 후킹 호출하기 - CallNextHookEx(hookHandle, code, wordParameter, longParameter)

/// <summary>

/// 다음 후킹 호출하기

/// </summary>

/// <param name="hookHandle">후킹 핸들</param>

/// <param name="code">코드</param>

/// <param name="wordParameter">WORD 매개 변수</param>

/// <param name="longParameter">LONG 매개 변수</param>

/// <returns>처리 결과</returns>

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

private static extern int CallNextHookEx(int hookHandle, int code, int wordParameter, ref KBDLLHOOKSTRUCT longParameter);

#endregion

#region 모듈 핸들 구하기 - GetModuleHandle(modulName)

/// <summary>

/// 모듈 핸들 구하기

/// </summary>

/// <param name="modulName">모듈명</param>

/// <returns>모듈 핸들</returns>

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

private static extern IntPtr GetModuleHandle(string modulName);

#endregion

//////////////////////////////////////////////////////////////////////////////////////////////////// Field

////////////////////////////////////////////////////////////////////////////////////////// Static

//////////////////////////////////////////////////////////////////////////////// Private

#region Field

/// <summary>

/// 키보드 후킹 처리 대리자

/// </summary>

private static ProcessKeyboardHookDelegate _processKeyboardHookDelegate = ProcessKeyboardHook;

/// <summary>

/// 후킹 ID

/// </summary>

private static int _hookID = 0;

#endregion

////////////////////////////////////////////////////////////////////////////////////////// Instance

//////////////////////////////////////////////////////////////////////////////// Private

#region Field

/// <summary>

/// WH_KEYBOARD_LL

/// </summary>

private const int WH_KEYBOARD_LL = 13;

/// <summary>

/// WM_KEYDOWN

/// </summary>

private const int WM_KEYDOWN = 0x0100;

/// <summary>

/// WM_KEYUP

/// </summary>

private const int WM_KEYUP = 0x0101;

/// <summary>

/// WM_SYSKEYDOWN

/// </summary>

private const int WM_SYSKEYDOWN = 0x0104;

/// <summary>

/// WM_SYSKEYUP

/// </summary>

private const int WM_SYSKEYUP = 0x0105;

/// <summary>

/// 화면 사각형

/// </summary>

private Rectangle screenRectangle = Screen.PrimaryScreen.Bounds;

/// <summary>

/// 마우스 X 좌표

/// </summary>

private int mouseX = 0;

/// <summary>

/// 마우스 Y 좌표

/// </summary>

private int mouseY = 0;

/// <summary>

/// 스크린 세이버 중단 가능 여부

/// </summary>

private bool canStopScreenSaver = true;

/// <summary>

/// 난수 발생기

/// </summary>

private Random random = new Random();

#endregion

//////////////////////////////////////////////////////////////////////////////////////////////////// Constructor

////////////////////////////////////////////////////////////////////////////////////////// Public

#region 생성자 - MainForm()

/// <summary>

/// 생성자

/// </summary>

public MainForm()

{

InitializeComponent();

Load += Form_Load;

Click += Form_Click;

MouseDown += Form_MouseDown;

MouseMove += Form_MouseMove;

MouseClick += Form_MouseClick;

this.timer.Tick += timer_Tick;

this.lockTimer.Tick += lockTimer_Tick;

}

#endregion

//////////////////////////////////////////////////////////////////////////////////////////////////// Method

////////////////////////////////////////////////////////////////////////////////////////// Static

//////////////////////////////////////////////////////////////////////////////// Private

////////////////////////////////////////////////////////////////////// Function

#region 키보드 후킹 처리하기 - ProcessKeyboardHook(code, wordParameter, longParameter)

/// <summary>

/// 키보드 후킹 처리하기

/// </summary>

/// <param name="code">코드</param>

/// <param name="wordParameter">WORD 매개 변수</param>

/// <param name="longParameter">LONG 매개 변수</param>

/// <returns>처리 결과</returns>

private static int ProcessKeyboardHook(int code, int wordParameter, ref KBDLLHOOKSTRUCT longParameter)

{

bool result = false;

switch(wordParameter)

{

case WM_KEYDOWN :

case WM_KEYUP :

case WM_SYSKEYDOWN :

case WM_SYSKEYUP :

result = ((longParameter.VirtualKeyCode == 0x09) && (longParameter.Flags == 0x20)) || // Alt + Tab

((longParameter.VirtualKeyCode == 0x1B) && (longParameter.Flags == 0x20)) || // Alt + Esc

((longParameter.VirtualKeyCode == 0x1B) && (longParameter.Flags == 0x00)) || // Ctrl + Esc

((longParameter.VirtualKeyCode == 0x5B) && (longParameter.Flags == 0x01)) || // Left Windows Key

((longParameter.VirtualKeyCode == 0x5C) && (longParameter.Flags == 0x01)) || // Right Windows Key

((longParameter.VirtualKeyCode == 0x73) && (longParameter.Flags == 0x20)); // Alt + F4

break;

}

if(result == true)

{

return 1;

}

else

{

return CallNextHookEx(0, code, wordParameter, ref longParameter);

}

#endregion

////////////////////////////////////////////////////////////////////////////////////////// Instance

//////////////////////////////////////////////////////////////////////////////// Private

////////////////////////////////////////////////////////////////////// Event

#region 폼 로드시 처리하기 - Form_Load(sender, e)

/// <summary>

/// 폼 로드시 처리하기

/// </summary>

/// <param name="sender">이벤트 발생자</param>

/// <param name="e">이벤트 인자</param>

private void Form_Load(object sender, EventArgs e)

{

this.timer.Enabled = true;

this.lockTimer.Enabled = true;

this.canStopScreenSaver = true;

Cursor.Hide();

DisableTaskManager();

_hookID = SetHook(_processKeyboardHookDelegate);

}

#endregion

#region 폼 클릭시 처리하기 - Form_Click(sender, e)

/// <summary>

/// 폼 클릭시 처리하기

/// </summary>

/// <param name="sender">이벤트 발생자</param>

/// <param name="e">이벤트 인자</param>

private void Form_Click(object sender, EventArgs e)

{

StopScreenSaver();

}

#endregion

#region 폼 마우스 DOWN 처리하기 - Form_MouseDown(sender, e)

/// <summary>

/// 폼 마우스 DOWN 처리하기

/// </summary>

/// <param name="sender">이벤트 발생자</param>

/// <param name="e">이벤트 인자</param>

private void Form_MouseDown(object sender, MouseEventArgs e)

{

StopScreenSaver();

}

#endregion

#region 폼 마우스 이동시 처리하기 - Form_MouseMove(sender, e)

/// <summary>

/// 폼 마우스 이동시 처리하기

/// </summary>

/// <param name="sender">이벤트 발생자</param>

/// <param name="e">이벤트 인자</param>

private void Form_MouseMove(object sender, MouseEventArgs e)

{

if((this.mouseX == 0) && (this.mouseY == 0))

{

this.mouseX = e.X;

this.mouseY = e.Y;

return;

}

else if((e.X != this.mouseX) || (e.Y != this.mouseY))

{

StopScreenSaver();

}

#endregion

#region 폼 마우스 클릭시 처리하기 - Form_MouseClick(sender, e)

/// <summary>

/// 폼 마우스 클릭시 처리하기

/// </summary>

/// <param name="sender">이벤트 발생자</param>

/// <param name="e">이벤트 인자</param>

private void Form_MouseClick(object sender, MouseEventArgs e)

{

StopScreenSaver();

}

#endregion

#region 타이머 틱 처리하기 - timer_Tick(sender, e)

/// <summary>

/// 타이머 틱 처리하기

/// </summary>

/// <param name="sender">이벤트 발생자</param>

/// <param name="e">이벤트 인자</param>

private void timer_Tick(object sender, EventArgs e)

{

int x = this.random.Next(0, this.screenRectangle.Width - 50);

int y = this.random.Next(0, this.screenRectangle.Height - 50);

using(Graphics graphics = CreateGraphics())

{

Pen pen = new Pen(Color.Yellow, 10);

Rectangle rectangle = new Rectangle(x, y, 100, 100);

graphics.DrawArc(pen, rectangle, 0, 365);

}

#endregion

#region 잠금 타이머 틱 처리하기 - lockTimer_Tick(sender, e)

/// <summary>

/// 잠금 타이머 틱 처리하기

/// </summary>

/// <param name="sender">이벤트 발생자</param>

/// <param name="e">이벤트 인자</param>

private void lockTimer_Tick(object sender, EventArgs e)

{

this.canStopScreenSaver = false;

this.lockTimer.Enabled = false;

}

#endregion

////////////////////////////////////////////////////////////////////// Function

#region 태스크 관리자 비활성화 하기 - DisableTaskManager()

/// <summary>

/// 태스크 관리자 비활성화 하기

/// </summary>

/// <remarks>Ctrl + Alt + Delete 키 입력을 거부한다.</remarks>

public static void DisableTaskManager()

{

RegistryKey registryKey;

int keyValue = 1;

string subKey = "Software\\Microsoft\\Windows\\CurrentVersion\\Policies\\System";

try

{

registryKey = Registry.CurrentUser.CreateSubKey(subKey);

registryKey.SetValue("DisableTaskMgr", keyValue);

registryKey.Close();

}

catch(Exception exception)

{

MessageBox.Show(exception.Message);

}

#endregion

#region 태스크 관리자 활성화 하기 - EnableTaskManager()

/// <summary>

/// 태스크 관리자 활성화 하기

/// </summary>

/// <remarks>Ctrl + Alt + Delete 키 입력을 허용한다.</remarks>

public static void EnableTaskManager()

{

try

{

RegistryKey currentUserRegistryKey = Registry.CurrentUser;

string subKey = "Software\\Microsoft\\Windows\\CurrentVersion\\Policies\\System";

RegistryKey registryKey = currentUserRegistryKey.OpenSubKey(subKey);

if(registryKey != null)

{

currentUserRegistryKey.DeleteSubKeyTree(subKey);

}

catch(Exception exception)

{

MessageBox.Show(exception.Message);

}

#endregion

#region 후킹 설정하기 - SetHook(processKeyboardHookDelegate)

/// <summary>

/// 후킹 설정하기

/// </summary>

/// <param name="processKeyboardHookDelegate">키보드 후킹 처리 대리자</param>

/// <returns>처리 결과</returns>

private static int SetHook(ProcessKeyboardHookDelegate processKeyboardHookDelegate)

{

using(Process process = Process.GetCurrentProcess())

{

using(ProcessModule processModule = process.MainModule)

{

return SetWindowsHookEx(WH_KEYBOARD_LL, processKeyboardHookDelegate, GetModuleHandle(processModule.ModuleName), 0);

}

#endregion

#region 스크린 세이버 중단하기 - StopScreenSaver()

/// <summary>

/// 스크린 세이버 중단하기

/// </summary>

private void StopScreenSaver()

{

if(this.canStopScreenSaver == true)

{

Cursor.Show();

this.timer.Enabled = false;

UnhookWindowsHookEx(_hookID);

EnableTaskManager();

Application.Exit();

}

else

{

Cursor.Show();

InputPasswordForm popup = new InputPasswordForm();

if(popup.ShowDialog() == DialogResult.OK)

{

UnhookWindowsHookEx(_hookID);

EnableTaskManager();

Application.ExitThread();

}

else

{

Cursor.Hide();

this.mouseX = 0;

this.mouseY = 0;

}

#endregion

}

TestProject.zip