WIN32 Archives - 10 중 10 번째 페이지

[C#/WIN32] CreateWaitableTimer API 함수 선언하기

■ CreateWaitableTimer API 함수를 선언하는 방법을 보여준다. ▶ 예제 코드 (C#)


using Microsoft.Win32.SafeHandles;
using System;
using System.Runtime.InteropServices;

#region 대기 가능한 타이머 생성하기 - CreateWaitableTimer(timerAttributeHandle, manualReset, timerName)

/// <summary>
/// 대기 가능한 타이머 생성하기
/// </summary>
/// <param name="timerAttributeHandle">타이머 어트리뷰트 핸들</param>
/// <param name="manualReset">수동 리셋 여부</param>
/// <param name="timerName">타이머명</param>
/// <returns>타이머 핸들</returns>
[DllImport("kernel32")]
private static extern SafeWaitHandle CreateWaitableTimer(IntPtr timerAttributeHandle, bool manualReset, string timerName);

#endregion

using Microsoft.Win32.SafeHandles;

using System;

using System.Runtime.InteropServices;

#region 대기 가능한 타이머 생성하기 - CreateWaitableTimer(timerAttributeHandle, manualReset, timerName)

/// <summary>

/// 대기 가능한 타이머 생성하기

/// </summary>

/// <param name="timerAttributeHandle">타이머 어트리뷰트 핸들</param>

/// <param name="manualReset">수동 리셋 여부</param>

/// <param name="timerName">타이머명</param>

/// <returns>타이머 핸들</returns>

[DllImport("kernel32")]

private static extern SafeWaitHandle CreateWaitableTimer(IntPtr timerAttributeHandle, bool manualReset, string timerName);

#endregion

[C#/WIN32] FreeLibrary API 함수 선언하기

■ FreeLibrary API 함수를 선언하는 방법을 보여준다. ▶ 예제 코드 (C#)


using System;
using System.Runtime.InteropServices;

#region 라이브러리 해제하기 - FreeLibrary(moduleHandle)

/// <summary>
/// 라이브러리 해제하기
/// </summary>
/// <param name="moduleHandle">모듈 핸들</param>
/// <returns>처리 결과</returns>
[DllImport("kernel32", SetLastError = true)]
[return: MarshalAs(UnmanagedType.Bool)]
private static extern bool FreeLibrary(IntPtr moduleHandle);

#endregion

using System;

using System.Runtime.InteropServices;

#region 라이브러리 해제하기 - FreeLibrary(moduleHandle)

/// <summary>

/// 라이브러리 해제하기

/// </summary>

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

/// <returns>처리 결과</returns>

[DllImport("kernel32", SetLastError = true)]

[return: MarshalAs(UnmanagedType.Bool)]

private static extern bool FreeLibrary(IntPtr moduleHandle);

#endregion

[C#/WIN32] GetProcAddress API 함수 선언하기

■ GetProcAddress API 함수를 선언하는 방법을 보여준다. ▶ 예제 코드 (C#)


using System;
using System.Runtime.InteropServices;

#region 프로시저 주소 구하기 - GetProcAddress(moduleHandle, procedureName)

/// <summary>
/// 프로시저 주소 구하기
/// </summary>
/// <param name="moduleHandle">모듈 핸들</param>
/// <param name="procedureName">프로시저명</param>
/// <returns>프로시저 핸들</returns>
[DllImport("kernel32", CharSet = CharSet.Ansi, ExactSpelling = true, SetLastError = true)]
private static extern IntPtr GetProcAddress(IntPtr moduleHandle, string procedureName);

#endregion

using System;

using System.Runtime.InteropServices;

#region 프로시저 주소 구하기 - GetProcAddress(moduleHandle, procedureName)

/// <summary>

/// 프로시저 주소 구하기

/// </summary>

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

/// <param name="procedureName">프로시저명</param>

/// <returns>프로시저 핸들</returns>

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

private static extern IntPtr GetProcAddress(IntPtr moduleHandle, string procedureName);

#endregion

[C#/WIN32] LoadLibrary API 함수 선언하기

■ LoadLibrary API 함수를 선언하는 방법을 보여준다. ▶ 예제 코드 (C#)


using System;
using System.Runtime.InteropServices;

#region 라이브러리 로드하기 - LoadLibrary(filePath)

/// <summary>
/// 라이브러리 로드하기
/// </summary>
/// <param name="filePath">파일 경로</param>
/// <returns>처리 결과</returns>
[DllImport("kernel32", SetLastError = true, CharSet = CharSet.Unicode)]
private static extern IntPtr LoadLibrary(string filePath);

#endregion

using System;

using System.Runtime.InteropServices;

#region 라이브러리 로드하기 - LoadLibrary(filePath)

/// <summary>

/// 라이브러리 로드하기

/// </summary>

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

/// <returns>처리 결과</returns>

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

private static extern IntPtr LoadLibrary(string filePath);

#endregion

[C#/WIN32] CreateRemoteThread API 함수 선언하기

■ CreateRemoteThread API 함수를 선언하는 방법을 보여준다. ▶ 예제 코드 (C#)


using System;
using System.Runtime.InteropServices;

#region 원격 스레드 생성하기 - CreateRemoteThread(processHandle, threadAttributeHandle, stackSize, startAddressHandle, parameter, creationFlag, threadID)

/// <summary>
/// 원격 스레드 생성하기
/// </summary>
/// <param name="processHandle">프로세스 핸들</param>
/// <param name="threadAttributeHandle">스레드 어트리뷰트</param>
/// <param name="stackSize">스택 크기</param>
/// <param name="startAddressHandle">시작 주소 핸들</param>
/// <param name="parameter">매개 변수</param>
/// <param name="creationFlag">생성 플래그</param>
/// <param name="threadID">스레드 ID</param>
/// <returns>스레드 핸들</returns>
[DllImport("kernel32")]
private static extern IntPtr CreateRemoteThread
(
    IntPtr processHandle,
    IntPtr threadAttributeHandle,
    uint   stackSize,
    IntPtr startAddressHandle,
    IntPtr parameter,
    uint   creationFlag,
    IntPtr threadID
);

#endregion

using System;

using System.Runtime.InteropServices;

#region 원격 스레드 생성하기 - CreateRemoteThread(processHandle, threadAttributeHandle, stackSize, startAddressHandle, parameter, creationFlag, threadID)

/// <summary>

/// 원격 스레드 생성하기

/// </summary>

/// <param name="processHandle">프로세스 핸들</param>

/// <param name="threadAttributeHandle">스레드 어트리뷰트</param>

/// <param name="stackSize">스택 크기</param>

/// <param name="startAddressHandle">시작 주소 핸들</param>

/// <param name="parameter">매개 변수</param>

/// <param name="creationFlag">생성 플래그</param>

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

/// <returns>스레드 핸들</returns>

[DllImport("kernel32")]

private static extern IntPtr CreateRemoteThread

(

IntPtr processHandle,

IntPtr threadAttributeHandle,

uint stackSize,

IntPtr startAddressHandle,

IntPtr parameter,

uint creationFlag,

IntPtr threadID

);

#endregion

[C#/WIN32] WriteProcessMemory API 함수 선언하기

■ WriteProcessMemory API 함수를 선언하는 방법을 보여준다. ▶ 예제 코드 (C#)


using System;
using System.Runtime.InteropServices;

#region 프로세스 메모리 쓰기 - WriteProcessMemory(processHandle, baseAddressHandle, bufferByteArray, size, byteCountWritten)

/// <summary>
/// 프로세스 메모리 쓰기
/// </summary>
/// <param name="processHandle">프로세스 핸들</param>
/// <param name="baseAddressHandle">베이스 주소 핸들</param>
/// <param name="bufferByteArray">버퍼 바이트 배열</param>
/// <param name="size">크기</param>
/// <param name="byteCountWritten">쓴 바이트 수</param>
/// <returns>처리 결과</returns>
[DllImport("kernel32", SetLastError = true)]
private static extern bool WriteProcessMemory
(
    IntPtr      processHandle,
    IntPtr      baseAddressHandle,
    byte[]      bufferByteArray,
    uint        size,
    out UIntPtr byteCountWritten
);

#endregion

using System;

using System.Runtime.InteropServices;

#region 프로세스 메모리 쓰기 - WriteProcessMemory(processHandle, baseAddressHandle, bufferByteArray, size, byteCountWritten)

/// <summary>

/// 프로세스 메모리 쓰기

/// </summary>

/// <param name="processHandle">프로세스 핸들</param>

/// <param name="baseAddressHandle">베이스 주소 핸들</param>

/// <param name="bufferByteArray">버퍼 바이트 배열</param>

/// <param name="size">크기</param>

/// <param name="byteCountWritten">쓴 바이트 수</param>

/// <returns>처리 결과</returns>

[DllImport("kernel32", SetLastError = true)]

private static extern bool WriteProcessMemory

(

IntPtr processHandle,

IntPtr baseAddressHandle,

byte[] bufferByteArray,

uint size,

out UIntPtr byteCountWritten

);

#endregion

[C#/WIN32] VirtualAllocEx API 함수 선언하기

■ VirtualAllocEx API 함수를 선언하는 방법을 보여준다. ▶ 예제 코드 (C#)


using System;
using System.Runtime.InteropServices;

#region 가상 메모리 할당하기 (확장) - VirtualAllocEx(processHandle, addressHandle, size, allocationType, protect)

/// <summary>
/// 가상 메모리 할당하기 (확장)
/// </summary>
/// <param name="processHandle">프로세스 핸들</param>
/// <param name="addressHandle">주소 핸들</param>
/// <param name="size">크기</param>
/// <param name="allocationType">할당 타입</param>
/// <param name="protect">보호 여부</param>
/// <returns>가상 메모리 핸들</returns>
[DllImport("kernel32", SetLastError = true, ExactSpelling = true)]
private static extern IntPtr VirtualAllocEx
(
    IntPtr processHandle,
    IntPtr addressHandle,
    uint   size,
    uint   allocationType,
    uint   protect
);

#endregion

using System;

using System.Runtime.InteropServices;

#region 가상 메모리 할당하기 (확장) - VirtualAllocEx(processHandle, addressHandle, size, allocationType, protect)

/// <summary>

/// 가상 메모리 할당하기 (확장)

/// </summary>

/// <param name="processHandle">프로세스 핸들</param>

/// <param name="addressHandle">주소 핸들</param>

/// <param name="size">크기</param>

/// <param name="allocationType">할당 타입</param>

/// <param name="protect">보호 여부</param>

/// <returns>가상 메모리 핸들</returns>

[DllImport("kernel32", SetLastError = true, ExactSpelling = true)]

private static extern IntPtr VirtualAllocEx

(

IntPtr processHandle,

IntPtr addressHandle,

uint size,

uint allocationType,

uint protect

);

#endregion

[C#/WIN32] OpenProcess API 함수 선언하기

■ OpenProcess API 함수를 선언하는 방법을 보여준다. ▶ 예제 코드 (C#)


using System;
using System.Runtime.InteropServices;

#region 프로세스 열기 - OpenProcess(desiredAccess, inheritHandle, processID)

/// <summary>
/// 프로세스 열기
/// </summary>
/// <param name="desiredAccess">희망 액세스</param>
/// <param name="inheritHandle">핸들 상속 여부</param>
/// <param name="processID">프로세스 ID</param>
/// <returns>프로세스 핸들</returns>
[DllImport("kernel32")]
private static extern IntPtr OpenProcess(int desiredAccess, bool inheritHandle, int processID);

#endregion

using System;

using System.Runtime.InteropServices;

#region 프로세스 열기 - OpenProcess(desiredAccess, inheritHandle, processID)

/// <summary>

/// 프로세스 열기

/// </summary>

/// <param name="desiredAccess">희망 액세스</param>

/// <param name="inheritHandle">핸들 상속 여부</param>

/// <param name="processID">프로세스 ID</param>

/// <returns>프로세스 핸들</returns>

[DllImport("kernel32")]

private static extern IntPtr OpenProcess(int desiredAccess, bool inheritHandle, int processID);

#endregion

[C#/WIN32] GetModuleHandle API 함수 선언하기

■ GetModuleHandle API 함수를 선언하는 방법을 보여준다. ▶ 예제 코드 (C#)


using System;
using System.Runtime.InteropServices;

#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)]
private static extern IntPtr GetModuleHandle(string moduleName);

#endregion

using System;

using System.Runtime.InteropServices;

#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)]

private static extern IntPtr GetModuleHandle(string moduleName);

#endregion

[C#/WIN32] GetLastError API 함수 선언하기

■ GetLastError API 함수를 선언하는 방법을 보여준다. ▶ 예제 코드 (C#)


using System.Runtime.InteropServices;

#region 마지막 에러 코드 구하기 - GetLastError()

/// <summary>
/// 마지막 에러 코드 구하기
/// </summary>
/// <returns>마지막 에러 코드</returns>
[DllImport("kernel32")]
private static extern uint GetLastError();

#endregion

using System.Runtime.InteropServices;

#region 마지막 에러 코드 구하기 - GetLastError()

/// <summary>

/// 마지막 에러 코드 구하기

/// </summary>

/// <returns>마지막 에러 코드</returns>

[DllImport("kernel32")]

private static extern uint GetLastError();

#endregion

[C#/WIN32] EnableMenuItem API 함수 : Close 버튼 비활성화하기

■ EnableMenuItem API 함수의 Close 버튼을 비활성화하는 방법을 보여준다. ▶ MainForm.cs


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

namespace TestProject
{
    /// <summary>
    /// 메인 폼
    /// </summary>
    public partial class MainForm : Form
    {
        //////////////////////////////////////////////////////////////////////////////////////////////////// Import
        ////////////////////////////////////////////////////////////////////////////////////////// Static
        //////////////////////////////////////////////////////////////////////////////// Private

        #region 시스템 메뉴 구하기 - GetSystemMenu(windowHandle, revert)

        /// <summary>
        /// 시스템 메뉴 구하기
        /// </summary>
        /// <param name="windowHandle">윈도우 핸들</param>
        /// <param name="revert">복구 여부</param>
        /// <returns>처리 결과</returns>
        [DllImport("user32")]
        private static extern IntPtr GetSystemMenu(IntPtr windowHandle, bool revert);

        #endregion
        #region 메뉴 항목 활성화하기 - EnableMenuItem(menuHandle, menuItemID, enable)

        /// <summary>
        /// 메뉴 항목 활성화하기
        /// </summary>
        /// <param name="menuHandle">메뉴 핸들</param>
        /// <param name="menuItemID">메뉴 항목 ID</param>
        /// <param name="enable">활성화 여부</param>
        /// <returns>처리 결과</returns>
        [DllImport("user32")]
        private static extern int EnableMenuItem(IntPtr menuHandle, int menuItemID, int enable);

        #endregion

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

        #region 생성자 - MainForm()

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

            this.disableButton.Click += disableButton_Click;
            this.enableButton.Click  += enableButton_Click;
        }

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Method
        ////////////////////////////////////////////////////////////////////////////////////////// Private

        #region 메뉴 비활성화 버튼 클릭시 처리하기 - disableButton_Click(sender, e)

        /// <summary>
        /// 메뉴 비활성화 버튼 클릭시 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private void disableButton_Click(object sender, EventArgs e)
        {
            IntPtr menuHandle = GetSystemMenu(Handle, false);

            EnableMenuItem(menuHandle, 0xF060, 0x1);
        }

        #endregion
        #region 메뉴 활성화 버튼 클릭시 처리하기 - enableButton_Click(sender, e)

        /// <summary>
        /// 메뉴 활성화 버튼 클릭시 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private void enableButton_Click(object sender, EventArgs e)
        {
            IntPtr menuHandle = GetSystemMenu(Handle, true);

            EnableMenuItem(menuHandle, 0xF060, 0x1);
        }

        #endregion
    }
}

using System;

using System.Runtime.InteropServices;

using System.Windows.Forms;

namespace TestProject

{

/// <summary>

/// 메인 폼

/// </summary>

public partial class MainForm : Form

{

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

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

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

#region 시스템 메뉴 구하기 - GetSystemMenu(windowHandle, revert)

/// <summary>

/// 시스템 메뉴 구하기

/// </summary>

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

/// <param name="revert">복구 여부</param>

/// <returns>처리 결과</returns>

[DllImport("user32")]

private static extern IntPtr GetSystemMenu(IntPtr windowHandle, bool revert);

#endregion

#region 메뉴 항목 활성화하기 - EnableMenuItem(menuHandle, menuItemID, enable)

/// <summary>

/// 메뉴 항목 활성화하기

/// </summary>

/// <param name="menuHandle">메뉴 핸들</param>

/// <param name="menuItemID">메뉴 항목 ID</param>

/// <param name="enable">활성화 여부</param>

/// <returns>처리 결과</returns>

[DllImport("user32")]

private static extern int EnableMenuItem(IntPtr menuHandle, int menuItemID, int enable);

#endregion

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

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

#region 생성자 - MainForm()

/// <summary>

/// 생성자

/// </summary>

public MainForm()

{

InitializeComponent();

this.disableButton.Click += disableButton_Click;

this.enableButton.Click += enableButton_Click;

}

#endregion

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

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

#region 메뉴 비활성화 버튼 클릭시 처리하기 - disableButton_Click(sender, e)

/// <summary>

/// 메뉴 비활성화 버튼 클릭시 처리하기

/// </summary>

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

/// <param name="e">이벤트 인자</param>

private void disableButton_Click(object sender, EventArgs e)

{

IntPtr menuHandle = GetSystemMenu(Handle, false);

EnableMenuItem(menuHandle, 0xF060, 0x1);

}

#endregion

#region 메뉴 활성화 버튼 클릭시 처리하기 - enableButton_Click(sender, e)

/// <summary>

/// 메뉴 활성화 버튼 클릭시 처리하기

/// </summary>

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

/// <param name="e">이벤트 인자</param>

private void enableButton_Click(object sender, EventArgs e)

{

IntPtr menuHandle = GetSystemMenu(Handle, true);

EnableMenuItem(menuHandle, 0xF060, 0x1);

}

#endregion

}

TestProject.zip

[C#/WIN32] SetWindowDisplayAffinity API 함수 : 화면 캡처 방지하기

■ SetWindowDisplayAffinity API 함수를 사용해 화면 캡처를 방지하는 방법을 보여준다. ▶ MainForm.cs


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

namespace TestProject
{
    /// <summary>
    /// 메인 폼
    /// </summary>
    public partial class MainForm : Form
    {
        //////////////////////////////////////////////////////////////////////////////////////////////////// Import
        ////////////////////////////////////////////////////////////////////////////////////////// Static
        //////////////////////////////////////////////////////////////////////////////// Private

        #region 윈도우 디스플레이 어피너티 설정하기 - SetWindowDisplayAffinity(windowHandle, affinity)

        /// <summary>
        /// 윈도우 디스플레이 어피너티 설정하기
        /// </summary>
        /// <param name="windowHandle">윈도우 핸들</param>
        /// <param name="affinity">어피너티</param>
        /// <returns>처리 결과</returns>
        [DllImport("user32")]
        private static extern uint SetWindowDisplayAffinity(IntPtr windowHandle, uint affinity);

        #endregion

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

        #region Field

        /// <summary>
        /// WDA_NONE
        /// </summary>
        private const uint WDA_NONE = 0;

        /// <summary>
        /// WDA_MONITOR
        /// </summary>
        private const uint WDA_MONITOR = 1;

        #endregion

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

        #region 생성자 - MainForm()

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

            this.preventButton.Click += preventButton_Click;
        }

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Method
        ////////////////////////////////////////////////////////////////////////////////////////// Private

        #region 캡처 방지 설정하기 버튼 클릭시 처리하기 - preventButton_Click(sender, e)

        /// <summary>
        /// 캡처 방지 설정하기 버튼 클릭시 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private void preventButton_Click(object sender, EventArgs e)
        {
            if(this.preventButton.Text == "캡처 방지 설정하기")
            {
                SetWindowDisplayAffinity(this.Handle, WDA_MONITOR);

                this.preventButton.Text = "캡처 방지 해제하기";
            }
            else
            {
                SetWindowDisplayAffinity(this.Handle, WDA_NONE);

                this.preventButton.Text = "캡처 방지 설정하기";
            }
        }

        #endregion
    }
}

using System;

using System.Runtime.InteropServices;

using System.Windows.Forms;

namespace TestProject

{

/// <summary>

/// 메인 폼

/// </summary>

public partial class MainForm : Form

{

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

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

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

#region 윈도우 디스플레이 어피너티 설정하기 - SetWindowDisplayAffinity(windowHandle, affinity)

/// <summary>

/// 윈도우 디스플레이 어피너티 설정하기

/// </summary>

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

/// <param name="affinity">어피너티</param>

/// <returns>처리 결과</returns>

[DllImport("user32")]

private static extern uint SetWindowDisplayAffinity(IntPtr windowHandle, uint affinity);

#endregion

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

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

#region Field

/// <summary>

/// WDA_NONE

/// </summary>

private const uint WDA_NONE = 0;

/// <summary>

/// WDA_MONITOR

/// </summary>

private const uint WDA_MONITOR = 1;

#endregion

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

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

#region 생성자 - MainForm()

/// <summary>

/// 생성자

/// </summary>

public MainForm()

{

InitializeComponent();

this.preventButton.Click += preventButton_Click;

}

#endregion

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

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

#region 캡처 방지 설정하기 버튼 클릭시 처리하기 - preventButton_Click(sender, e)

/// <summary>

/// 캡처 방지 설정하기 버튼 클릭시 처리하기

/// </summary>

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

/// <param name="e">이벤트 인자</param>

private void preventButton_Click(object sender, EventArgs e)

{

if(this.preventButton.Text == "캡처 방지 설정하기")

{

SetWindowDisplayAffinity(this.Handle, WDA_MONITOR);

this.preventButton.Text = "캡처 방지 해제하기";

}

else

{

SetWindowDisplayAffinity(this.Handle, WDA_NONE);

this.preventButton.Text = "캡처 방지 설정하기";

}

#endregion

}

TestProject.zip

[C#/WIN32/.NET6] SendARP API 함수 : MAC 주소 구하기

■ SendARP API 함수를 사용해 MAC 주소를 구하는 방법을 보여준다. ▶ SendARP API 함수 : MAC 주소 구하기 예제 (C#)


string macAddress = GetMACAddress("192.168.29.196"));

string macAddress = GetMACAddress("192.168.29.196"));

▶

[C#/WIN32] ExitWindowsEx API 함수 : 윈도우즈 종료하기/재부팅하기/로그오프하기

■ ExitWindowsEx API 함수를 사용해 윈도우즈를 종료하고 재부팅하고 로그오프하는 방법을 보여준다. ▶ WIN32Helper.cs


using System;
using System.Runtime.InteropServices;

namespace TestProject
{
    /// <summary>
    /// WIN32 헬퍼
    /// </summary>
    public static class WIN32Helper
    {
        //////////////////////////////////////////////////////////////////////////////////////////////////// Import
        ////////////////////////////////////////////////////////////////////////////////////////// Static
        //////////////////////////////////////////////////////////////////////////////// Private

        #region 현재 프로세스 구하기 - GetCurrentProcess()

        /// <summary>
        /// 현재 프로세스 구하기
        /// </summary>
        /// <returns>현재 프로세스 핸들</returns>
        [DllImport("kernel32", ExactSpelling = true)]
        private static extern IntPtr GetCurrentProcess();

        #endregion
        #region 프로세스 토큰 열기 - OpenProcessToken(processHandle, desiredAccess, tokenHandle)

        /// <summary>
        /// 프로세스 토큰 열기
        /// </summary>
        /// <param name="processHandle">프로세스 핸들</param>
        /// <param name="desiredAccess">희망 액세스</param>
        /// <param name="tokenHandle">토큰 핸들</param>
        /// <returns>처리 결과</returns>
        [DllImport("advapi32", ExactSpelling = true, SetLastError = true)]
        private static extern bool OpenProcessToken(IntPtr processHandle, int desiredAccess, ref IntPtr tokenHandle);

        #endregion
        #region 특권 값 조사하기 - LookupPrivilegeValue(hostName, name, luid)

        /// <summary>
        /// 특권 값 조사하기
        /// </summary>
        /// <param name="hostName">호스트명</param>
        /// <param name="name">명칭</param>
        /// <param name="luid">LUID</param>
        /// <returns>처리 결과</returns>
        [DllImport("advapi32", SetLastError=true) ]
        private static extern bool LookupPrivilegeValue(string hostName, string name, ref long luid);

        #endregion
        #region 토큰 특권 조정하기 - AdjustTokenPrivileges(tokenHandle, disableAllPrivileges, newState, bufferLength, previousState, returnLength)

        /// <summary>
        /// 토큰 특권 조정하기
        /// </summary>
        /// <param name="tokenHandle">토큰 핸들</param>
        /// <param name="disableAllPrivileges">모든 특권 비활성화 여부</param>
        /// <param name="newState">새로운 상태</param>
        /// <param name="bufferLength">버퍼 길이</param>
        /// <param name="previousState">이전 상태</param>
        /// <param name="returnLength">반환 길이</param>
        /// <returns>처리 결과</returns>
        [DllImport("advapi32", ExactSpelling = true, SetLastError = true)]
        private static extern bool AdjustTokenPrivileges
        (
            IntPtr               tokenHandle,
            bool                 disableAllPrivileges,
            ref TOKEN_PRIVILEGES newState,
            int                  bufferLength,
            IntPtr               previousState,
            IntPtr               returnLength
        );

        #endregion
        #region 윈도우 종료하기 - ExitWindowsEx(flag, reserved)

        /// <summary>
        /// 윈도우 종료하기
        /// </summary>
        /// <param name="flag">플래그</param>
        /// <param name="reserved">예약</param>
        /// <returns>처리 결과</returns>
        [DllImport("user32", ExactSpelling=true, SetLastError=true) ]
        private static extern bool ExitWindowsEx(int flag, int reserved);

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Structure
        ////////////////////////////////////////////////////////////////////////////////////////// Private

        #region 토큰 특권 - TOKEN_PRIVILEGES

        /// <summary>
        /// 토큰 특권
        /// </summary>
        [StructLayout(LayoutKind.Sequential, Pack = 1)]
        private struct TOKEN_PRIVILEGES
        {
            //////////////////////////////////////////////////////////////////////////////////////////////////// Field
            ////////////////////////////////////////////////////////////////////////////////////////// Public

            #region Field

            /// <summary>
            /// 특권 카운트
            /// </summary>
            public int PrivilegeCount;

            /// <summary>
            /// LUID
            /// </summary>
            public long LUID;

            /// <summary>
            /// 속성
            /// </summary>
            public int Attributes;

            #endregion
        }

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Field
        ////////////////////////////////////////////////////////////////////////////////////////// Constant
        //////////////////////////////////////////////////////////////////////////////// Public

        #region Field

        /// <summary>
        /// SE_PRIVILEGE_ENABLED
        /// </summary>
        public const int SE_PRIVILEGE_ENABLED = 0x00000002;

        /// <summary>
        /// TOKEN_QUERY
        /// </summary>
        public const int TOKEN_QUERY = 0x00000008;

        /// <summary>
        /// TOKEN_ADJUST_PRIVILEGES
        /// </summary>
        public const int TOKEN_ADJUST_PRIVILEGES = 0x00000020;

        /// <summary>
        /// SE_SHUTDOWN_NAME
        /// </summary>
        public const string SE_SHUTDOWN_NAME = "SeShutdownPrivilege";

        /// <summary>
        /// EWX_LOGOFF
        /// </summary>
        public const int EWX_LOGOFF = 0x00000000;

        /// <summary>
        /// EWX_SHUTDOWN
        /// </summary>
        public const int EWX_SHUTDOWN = 0x00000001;

        /// <summary>
        /// EWX_REBOOT
        /// </summary>
        public const int EWX_REBOOT = 0x00000002;

        /// <summary>
        /// EWX_FORCE
        /// </summary>
        public const int EWX_FORCE = 0x00000004;

        /// <summary>
        /// EWX_POWEROFF
        /// </summary>
        public const int EWX_POWEROFF = 0x00000008;

        /// <summary>
        /// EWX_FORCEIFHUNG
        /// </summary>
        public const int EWX_FORCEIFHUNG = 0x00000010;

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Method
        ////////////////////////////////////////////////////////////////////////////////////////// Static
        //////////////////////////////////////////////////////////////////////////////// Public

        #region 윈도우 종료하기 - ExitWindow(flag)

        /// <summary>
        /// 윈도우 종료하기
        /// </summary>
        /// <param name="flag">플래그</param>
        public static void ExitWindow(int flag)
        {
            bool result;

            IntPtr processHandle = GetCurrentProcess();

            IntPtr tokenHandle = IntPtr.Zero;

            result = OpenProcessToken(processHandle, TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, ref tokenHandle);

            TOKEN_PRIVILEGES tokenPrivileges;

            tokenPrivileges.PrivilegeCount = 1;
            tokenPrivileges.LUID           = 0;
            tokenPrivileges.Attributes     = SE_PRIVILEGE_ENABLED;

            result = LookupPrivilegeValue(null, SE_SHUTDOWN_NAME, ref tokenPrivileges.LUID);

            result = AdjustTokenPrivileges(tokenHandle, false, ref tokenPrivileges, 0, IntPtr.Zero, IntPtr.Zero);

            result = ExitWindowsEx(flag, 0);
        }

        #endregion

        #region 셧다운 하기 - Shutdown(false)

        /// <summary>
        /// 셧다운 하기
        /// </summary>
        /// <param name="forced">강제 여부</param>
        public static void Shutdown(bool forced = false)
        {
            if(forced)
            {
                ExitWindow(EWX_SHUTDOWN | EWX_FORCE);
            }
            else
            {
                ExitWindow(EWX_SHUTDOWN);
            }
        }

        #endregion
        #region 리부팅 하기 - Reboot(false)

        /// <summary>
        /// 리부팅 하기
        /// </summary>
        /// <param name="forced">강제 여부</param>
        public static void Reboot(bool forced = false)
        {
            if(forced)
            {
                ExitWindow(EWX_REBOOT | EWX_FORCE);
            }
            else
            {
                ExitWindow(EWX_REBOOT);
            }
        }

        #endregion
        #region 로그 오프 하기 - LogOff(false)

        /// <summary>
        /// 로그 오프 하기
        /// </summary>
        /// <param name="forced">강제 여부</param>
        public static void LogOff(bool forced = false)
        {
            if(forced)
            {
                ExitWindow(EWX_LOGOFF | EWX_FORCE);
            }
            else
            {
                ExitWindow(EWX_LOGOFF);
            }
        }

        #endregion
    }
}

100

101

102

103

104

105

106

107

108

109

110

111

112

113

114

115

116

117

118

119

120

121

122

123

124

125

126

127

128

129

130

131

132

133

134

135

136

137

138

139

140

141

142

143

144

145

146

147

148

149

150

151

152

153

154

155

156

157

158

159

160

161

162

163

164

165

166

167

168

169

170

171

172

173

174

175

176

177

178

179

180

181

182

183

184

185

186

187

188

189

190

191

192

193

194

195

196

197

198

199

200

201

202

203

204

205

206

207

208

209

210

211

212

213

214

215

216

217

218

219

220

221

222

223

224

225

226

227

228

229

230

231

232

233

234

235

236

237

238

239

240

241

242

243

244

245

246

247

248

249

250

251

252

253

254

255

256

257

258

259

260

261

262

263

264

265

266

267

268

269

270

271

272

273

274

275

276

277

using System;

using System.Runtime.InteropServices;

namespace TestProject

{

/// <summary>

/// WIN32 헬퍼

/// </summary>

public static class WIN32Helper

{

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

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

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

#region 현재 프로세스 구하기 - GetCurrentProcess()

/// <summary>

/// 현재 프로세스 구하기

/// </summary>

/// <returns>현재 프로세스 핸들</returns>

[DllImport("kernel32", ExactSpelling = true)]

private static extern IntPtr GetCurrentProcess();

#endregion

#region 프로세스 토큰 열기 - OpenProcessToken(processHandle, desiredAccess, tokenHandle)

/// <summary>

/// 프로세스 토큰 열기

/// </summary>

/// <param name="processHandle">프로세스 핸들</param>

/// <param name="desiredAccess">희망 액세스</param>

/// <param name="tokenHandle">토큰 핸들</param>

/// <returns>처리 결과</returns>

[DllImport("advapi32", ExactSpelling = true, SetLastError = true)]

private static extern bool OpenProcessToken(IntPtr processHandle, int desiredAccess, ref IntPtr tokenHandle);

#endregion

#region 특권 값 조사하기 - LookupPrivilegeValue(hostName, name, luid)

/// <summary>

/// 특권 값 조사하기

/// </summary>

/// <param name="hostName">호스트명</param>

/// <param name="name">명칭</param>

/// <param name="luid">LUID</param>

/// <returns>처리 결과</returns>

[DllImport("advapi32", SetLastError=true) ]

private static extern bool LookupPrivilegeValue(string hostName, string name, ref long luid);

#endregion

#region 토큰 특권 조정하기 - AdjustTokenPrivileges(tokenHandle, disableAllPrivileges, newState, bufferLength, previousState, returnLength)

/// <summary>

/// 토큰 특권 조정하기

/// </summary>

/// <param name="tokenHandle">토큰 핸들</param>

/// <param name="disableAllPrivileges">모든 특권 비활성화 여부</param>

/// <param name="newState">새로운 상태</param>

/// <param name="bufferLength">버퍼 길이</param>

/// <param name="previousState">이전 상태</param>

/// <param name="returnLength">반환 길이</param>

/// <returns>처리 결과</returns>

[DllImport("advapi32", ExactSpelling = true, SetLastError = true)]

private static extern bool AdjustTokenPrivileges

(

IntPtr tokenHandle,

bool disableAllPrivileges,

ref TOKEN_PRIVILEGES newState,

int bufferLength,

IntPtr previousState,

IntPtr returnLength

);

#endregion

#region 윈도우 종료하기 - ExitWindowsEx(flag, reserved)

/// <summary>

/// 윈도우 종료하기

/// </summary>

/// <param name="flag">플래그</param>

/// <param name="reserved">예약</param>

/// <returns>처리 결과</returns>

[DllImport("user32", ExactSpelling=true, SetLastError=true) ]

private static extern bool ExitWindowsEx(int flag, int reserved);

#endregion

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

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

#region 토큰 특권 - TOKEN_PRIVILEGES

/// <summary>

/// 토큰 특권

/// </summary>

[StructLayout(LayoutKind.Sequential, Pack = 1)]

private struct TOKEN_PRIVILEGES

{

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

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

#region Field

/// <summary>

/// 특권 카운트

/// </summary>

public int PrivilegeCount;

/// <summary>

/// LUID

/// </summary>

public long LUID;

/// <summary>

/// 속성

/// </summary>

public int Attributes;

#endregion

}

#endregion

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

////////////////////////////////////////////////////////////////////////////////////////// Constant

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

#region Field

/// <summary>

/// SE_PRIVILEGE_ENABLED

/// </summary>

public const int SE_PRIVILEGE_ENABLED = 0x00000002;

/// <summary>

/// TOKEN_QUERY

/// </summary>

public const int TOKEN_QUERY = 0x00000008;

/// <summary>

/// TOKEN_ADJUST_PRIVILEGES

/// </summary>

public const int TOKEN_ADJUST_PRIVILEGES = 0x00000020;

/// <summary>

/// SE_SHUTDOWN_NAME

/// </summary>

public const string SE_SHUTDOWN_NAME = "SeShutdownPrivilege";

/// <summary>

/// EWX_LOGOFF

/// </summary>

public const int EWX_LOGOFF = 0x00000000;

/// <summary>

/// EWX_SHUTDOWN

/// </summary>

public const int EWX_SHUTDOWN = 0x00000001;

/// <summary>

/// EWX_REBOOT

/// </summary>

public const int EWX_REBOOT = 0x00000002;

/// <summary>

/// EWX_FORCE

/// </summary>

public const int EWX_FORCE = 0x00000004;

/// <summary>

/// EWX_POWEROFF

/// </summary>

public const int EWX_POWEROFF = 0x00000008;

/// <summary>

/// EWX_FORCEIFHUNG

/// </summary>

public const int EWX_FORCEIFHUNG = 0x00000010;

#endregion

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

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

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

#region 윈도우 종료하기 - ExitWindow(flag)

/// <summary>

/// 윈도우 종료하기

/// </summary>

/// <param name="flag">플래그</param>

public static void ExitWindow(int flag)

{

bool result;

IntPtr processHandle = GetCurrentProcess();

IntPtr tokenHandle = IntPtr.Zero;

result = OpenProcessToken(processHandle, TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, ref tokenHandle);

TOKEN_PRIVILEGES tokenPrivileges;

tokenPrivileges.PrivilegeCount = 1;

tokenPrivileges.LUID = 0;

tokenPrivileges.Attributes = SE_PRIVILEGE_ENABLED;

result = LookupPrivilegeValue(null, SE_SHUTDOWN_NAME, ref tokenPrivileges.LUID);

result = AdjustTokenPrivileges(tokenHandle, false, ref tokenPrivileges, 0, IntPtr.Zero, IntPtr.Zero);

result = ExitWindowsEx(flag, 0);

}

#endregion

#region 셧다운 하기 - Shutdown(false)

/// <summary>

/// 셧다운 하기

/// </summary>

/// <param name="forced">강제 여부</param>

public static void Shutdown(bool forced = false)

{

if(forced)

{

ExitWindow(EWX_SHUTDOWN | EWX_FORCE);

}

else

{

ExitWindow(EWX_SHUTDOWN);

}

#endregion

#region 리부팅 하기 - Reboot(false)

/// <summary>

/// 리부팅 하기

/// </summary>

/// <param name="forced">강제 여부</param>

public static void Reboot(bool forced = false)

{

if(forced)

{

ExitWindow(EWX_REBOOT | EWX_FORCE);

}

else

{

ExitWindow(EWX_REBOOT);

}

#endregion

#region 로그 오프 하기 - LogOff(false)

/// <summary>

/// 로그 오프 하기

/// </summary>

/// <param name="forced">강제 여부</param>

public static void LogOff(bool forced = false)

{

if(forced)

{

ExitWindow(EWX_LOGOFF | EWX_FORCE);

}

else

{

ExitWindow(EWX_LOGOFF);

}

#endregion

}

▶ Program.cs


using System;

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

        #region 프로그램 시작하기 - Main()

        /// <summary>
        /// 프로그램 시작하기
        /// </summary>
        private static void Main()
        {
            Console.Title = "ExitWindowsEx API 함수 : 윈도우즈 종료하기/재부팅하기/로그오프하기";

            WIN32Helper.Shutdown(true);

            //WIN32Helper.Reboot(true);

            //WIN32Helper.LogOff(true);
        }

        #endregion
    }
}

using System;

namespace TestProject

{

/// <summary>

/// 프로그램

/// </summary>

class Program

{

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

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

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

#region 프로그램 시작하기 - Main()

/// <summary>

/// 프로그램 시작하기

/// </summary>

private static void Main()

{

Console.Title = "ExitWindowsEx API 함수 : 윈도우즈 종료하기/재부팅하기/로그오프하기";

WIN32Helper.Shutdown(true);

//WIN32Helper.Reboot(true);

//WIN32Helper.LogOff(true);

}

#endregion

}

※ 윈도우즈 10에서 작동한다. TestProject.zip

[C#/WIN32] mouse_event API 함수 : 마우스 이벤트 발생시키기

■ mouse_event API 함수를 사용해 마우스 이벤트를 발생시키는 방법을 보여준다. ▶ 예제 코드 (C#)


using System.Runtime.InteropServices;

/// <summary>
/// 마우스 이벤트 발생시키기
/// </summary>
/// <param name="flag">플래그</param>
/// <param name="deltaX">델타 X</param>
/// <param name="deltaY">델타 Y</param>
/// <param name="data">데이터</param>
/// <param name="extraInformation">부가 정보</param>
[DllImport("user32")]
private static extern void mouse_event(uint flag, uint deltaX, uint deltaY, uint data, int extraInformation);

private const int WM_MOUSEMOVE   = 0x201;
private const int WM_LBUTTONDOWN = 0x202;
private const int WM_LBUTTONUP   = 0x204;

...

mouse_event(WM_LBUTTONDOWN, 0, 0, 0, 0);
mouse_event(WM_LBUTTONUP  , 0, 0, 0, 0);

using System.Runtime.InteropServices;

/// <summary>

/// 마우스 이벤트 발생시키기

/// </summary>

/// <param name="flag">플래그</param>

/// <param name="deltaX">델타 X</param>

/// <param name="deltaY">델타 Y</param>

/// <param name="data">데이터</param>

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

[DllImport("user32")]

private static extern void mouse_event(uint flag, uint deltaX, uint deltaY, uint data, int extraInformation);

private const int WM_MOUSEMOVE = 0x201;

private const int WM_LBUTTONDOWN = 0x202;

private const int WM_LBUTTONUP = 0x204;

...

mouse_event(WM_LBUTTONDOWN, 0, 0, 0, 0);

mouse_event(WM_LBUTTONUP , 0, 0, 0, 0);