TASKBAR Archives - icodebroker

[C#/WIN32] FlashWindowEx API 함수 선언하기

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


using System;
using System.Runtime.InteropServices;

#region 윈도우 작업 표시줄 깜박이기 - FlashWindowEx(info);

/// <summary>
/// 윈도우 작업 표시줄 깜박이기
/// </summary>
/// <param name="info">윈도우 작업 표시줄 깜박이기 정보</param>
/// <returns>처리 결과</returns>
[DllImport("user32")]
private static extern int FlashWindowEx(ref FLASHWINFO info);

#endregion

#region 윈도우 깜박이기 정보 - FLASHWINFO

/// <summary>
/// 윈도우 깜박이기 정보
/// </summary>
[StructLayout(LayoutKind.Sequential)]
public struct FLASHWINFO
{
    //////////////////////////////////////////////////////////////////////////////////////////////////// Field
    ////////////////////////////////////////////////////////////////////////////////////////// Public

    #region Field

    /// <summary>
    /// 크기
    /// </summary>
    public uint Size;

    /// <summary>
    /// 윈도우 핸들
    /// </summary>
    public IntPtr WindowHandle;

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

    /// <summary>
    /// 카운트
    /// </summary>
    public uint Count;

    /// <summary>
    /// 타임아웃
    /// </summary>
    public uint Timeout;

    #endregion
}

#endregion

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

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

/// <summary>
/// FLASHW_TRAY
/// </summary>
private const uint FLASHW_TRAY = 2;

/// <summary>
/// FLASHW_ALL
/// </summary>
private const uint FLASHW_ALL = 3;

/// <summary>
/// FLASHW_TIMER
/// </summary>
private const uint FLASHW_TIMER = 4;

/// <summary>
/// FLASHW_TIMERNOFG
/// </summary>
private const uint FLASHW_TIMERNOFG = 12;

using System;

using System.Runtime.InteropServices;

#region 윈도우 작업 표시줄 깜박이기 - FlashWindowEx(info);

/// <summary>

/// 윈도우 작업 표시줄 깜박이기

/// </summary>

/// <param name="info">윈도우 작업 표시줄 깜박이기 정보</param>

/// <returns>처리 결과</returns>

[DllImport("user32")]

private static extern int FlashWindowEx(ref FLASHWINFO info);

#endregion

#region 윈도우 깜박이기 정보 - FLASHWINFO

/// <summary>

/// 윈도우 깜박이기 정보

/// </summary>

[StructLayout(LayoutKind.Sequential)]

public struct FLASHWINFO

{

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

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

#region Field

/// <summary>

/// 크기

/// </summary>

public uint Size;

/// <summary>

/// 윈도우 핸들

/// </summary>

public IntPtr WindowHandle;

/// <summary>

/// 플래그

/// </summary>

public uint Flag;

/// <summary>

/// 카운트

/// </summary>

public uint Count;

/// <summary>

/// 타임아웃

/// </summary>

public uint Timeout;

#endregion

}

#endregion

/// <summary>

/// FLASHW_STOP

/// </summary>

private const uint FLASHW_STOP = 0;

/// <summary>

/// FLASHW_CAPTION

/// </summary>

private const uint FLASHW_CAPTION = 1;

/// <summary>

/// FLASHW_TRAY

/// </summary>

private const uint FLASHW_TRAY = 2;

/// <summary>

/// FLASHW_ALL

/// </summary>

private const uint FLASHW_ALL = 3;

/// <summary>

/// FLASHW_TIMER

/// </summary>

private const uint FLASHW_TIMER = 4;

/// <summary>

/// FLASHW_TIMERNOFG

/// </summary>

private const uint FLASHW_TIMERNOFG = 12;

[C#/WINFORM] FlashWindowEx API 함수를 사용해 비활성화시 작업 표시줄 깜박이기

■ FlashWindowEx API 함수를 사용해 비활성화시 작업 표시줄을 깜박이는 방법을 보여준다. ▶ TaskbarHelper.cs


using System;
using System.Runtime.InteropServices;

namespace TestProject
{
    public static class TaskbarHelper
    {
        //////////////////////////////////////////////////////////////////////////////////////////////////// Structure
        ////////////////////////////////////////////////////////////////////////////////////////// Public

        #region 윈도우 깜박이기 정보 - FLASHWINFO

        /// <summary>
        /// 윈도우 깜박이기 정보
        /// </summary>
        [StructLayout(LayoutKind.Sequential)]
        public struct FLASHWINFO
        {
            //////////////////////////////////////////////////////////////////////////////////////////////////// Field
            ////////////////////////////////////////////////////////////////////////////////////////// Public

            #region Field

            /// <summary>
            /// 크기
            /// </summary>
            public uint Size;

            /// <summary>
            /// 윈도우 핸들
            /// </summary>
            public IntPtr WindowHandle;

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

            /// <summary>
            /// 카운트
            /// </summary>
            public uint Count;

            /// <summary>
            /// 타임아웃
            /// </summary>
            public uint Timeout;

            #endregion
        }

        #endregion

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

        #region 윈도우 작업 표시줄 깜박이기 - FlashWindowEx(info);

        /// <summary>
        /// 윈도우 작업 표시줄 깜박이기
        /// </summary>
        /// <param name="info">윈도우 작업 표시줄 깜박이기 정보</param>
        /// <returns>처리 결과</returns>
        [DllImport("user32")]
        private static extern int FlashWindowEx(ref FLASHWINFO info);

        #endregion

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

        #region Field

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

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

        /// <summary>
        /// FLASHW_TRAY
        /// </summary>
        private const uint FLASHW_TRAY = 2;

        /// <summary>
        /// FLASHW_ALL
        /// </summary>
        private const uint FLASHW_ALL = 3;

        /// <summary>
        /// FLASHW_TIMER
        /// </summary>
        private const uint FLASHW_TIMER = 4;

        /// <summary>
        /// FLASHW_TIMERNOFG
        /// </summary>
        private const uint FLASHW_TIMERNOFG = 12;

        #endregion

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

        #region 윈도우 깜박이기 - FlashWindow(windowHandle)

        /// <summary>
        /// 윈도우 깜박이기
        /// </summary>
        /// <param name="windowHandle">윈도우 핸들</param>
        /// <returns>처리 결과</returns>
        public static bool FlashWindow(IntPtr windowHandle)
        {
            FLASHWINFO info = new FLASHWINFO();

            info.Size         = Convert.ToUInt32(Marshal.SizeOf(info));
            info.WindowHandle = windowHandle;
            info.Flag         = FLASHW_ALL | FLASHW_TIMERNOFG;
            info.Count        = uint.MaxValue;
            info.Timeout      = 0;

            return (FlashWindowEx(ref info) == 0);
        }

        #endregion
    }
}

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using System;

using System.Runtime.InteropServices;

namespace TestProject

{

public static class TaskbarHelper

{

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

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

#region 윈도우 깜박이기 정보 - FLASHWINFO

/// <summary>

/// 윈도우 깜박이기 정보

/// </summary>

[StructLayout(LayoutKind.Sequential)]

public struct FLASHWINFO

{

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

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

#region Field

/// <summary>

/// 크기

/// </summary>

public uint Size;

/// <summary>

/// 윈도우 핸들

/// </summary>

public IntPtr WindowHandle;

/// <summary>

/// 플래그

/// </summary>

public uint Flag;

/// <summary>

/// 카운트

/// </summary>

public uint Count;

/// <summary>

/// 타임아웃

/// </summary>

public uint Timeout;

#endregion

}

#endregion

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

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

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

#region 윈도우 작업 표시줄 깜박이기 - FlashWindowEx(info);

/// <summary>

/// 윈도우 작업 표시줄 깜박이기

/// </summary>

/// <param name="info">윈도우 작업 표시줄 깜박이기 정보</param>

/// <returns>처리 결과</returns>

[DllImport("user32")]

private static extern int FlashWindowEx(ref FLASHWINFO info);

#endregion

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

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

#region Field

/// <summary>

/// FLASHW_STOP

/// </summary>

private const uint FLASHW_STOP = 0;

/// <summary>

/// FLASHW_CAPTION

/// </summary>

private const uint FLASHW_CAPTION = 1;

/// <summary>

/// FLASHW_TRAY

/// </summary>

private const uint FLASHW_TRAY = 2;

/// <summary>

/// FLASHW_ALL

/// </summary>

private const uint FLASHW_ALL = 3;

/// <summary>

/// FLASHW_TIMER

/// </summary>

private const uint FLASHW_TIMER = 4;

/// <summary>

/// FLASHW_TIMERNOFG

/// </summary>

private const uint FLASHW_TIMERNOFG = 12;

#endregion

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

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

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

#region 윈도우 깜박이기 - FlashWindow(windowHandle)

/// <summary>

/// 윈도우 깜박이기

/// </summary>

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

/// <returns>처리 결과</returns>

public static bool FlashWindow(IntPtr windowHandle)

{

FLASHWINFO info = new FLASHWINFO();

info.Size = Convert.ToUInt32(Marshal.SizeOf(info));

info.WindowHandle = windowHandle;

info.Flag = FLASHW_ALL | FLASHW_TIMERNOFG;

info.Count = uint.MaxValue;

info.Timeout = 0;

return (FlashWindowEx(ref info) == 0);

}

#endregion

}

▶ MainForm.cs


using System;
using System.Windows.Forms;

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

        #region Field

        /// <summary>
        /// 타이머
        /// </summary>
        private Timer timer;

        private int count = 0;

        #endregion

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

        #region 생성자 - MainForm()

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

            this.timer = new Timer();

            this.timer.Interval = 1000;

            Deactivate      += Form_Deactivate;
            this.timer.Tick += timer_Tick;
        }

        #endregion

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

        #region 폼 비활성화시 처리하기 - Form_Deactivate(sender, e)

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

        #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)
        {
            this.count++;

            if(this.count == 3) // 비활성화 3초후부터 해당 작업 표시줄을 깜박인다.
            {
                this.timer.Enabled = false;

                this.count = 0;

                TaskbarHelper.FlashWindow(Handle);
            }
        }

        #endregion
    }
}

using System;

using System.Windows.Forms;

namespace TestProject

{

/// <summary>

/// 메인 폼

/// </summary>

public partial class MainForm : Form

{

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

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

#region Field

/// <summary>

/// 타이머

/// </summary>

private Timer timer;

private int count = 0;

#endregion

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

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

#region 생성자 - MainForm()

/// <summary>

/// 생성자

/// </summary>

public MainForm()

{

InitializeComponent();

this.timer = new Timer();

this.timer.Interval = 1000;

Deactivate += Form_Deactivate;

this.timer.Tick += timer_Tick;

}

#endregion

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

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

#region 폼 비활성화시 처리하기 - Form_Deactivate(sender, e)

/// <summary>

/// 폼 비활성화시 처리하기

/// </summary>

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

/// <param name="e">이벤트 인자</param>

private void Form_Deactivate(object sender, EventArgs e)

{

this.timer.Enabled = true;

}

#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)

{

this.count++;

if(this.count == 3) // 비활성화 3초후부터 해당 작업 표시줄을 깜박인다.

{

this.timer.Enabled = false;

this.count = 0;

TaskbarHelper.FlashWindow(Handle);

}

#endregion

}

TestProject.zip

[C#/COMMON] 작업 표시줄(Taskbar) 숨기기/표시하기

■ 작업 표시줄(Taskbar)을 숨기고 표시하는 방법을 보여준다. ▶ WIN32Helper.cs


using System.Runtime.InteropServices;

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

        #region 윈도우 찾기 - FindWindow(className, windowText)

        /// <summary>
        /// 윈도우 찾기
        /// </summary>
        /// <param name="className">클래스명</param>
        /// <param name="windowText">윈도우 텍스트</param>
        /// <returns>윈도우 핸들</returns>
        [DllImport("user32.dll")]
        private static extern int FindWindow(string className, string windowText);

        #endregion
        #region 윈도우 표시하기 - ShowWindow(windowHandle, command)

        /// <summary>
        /// 윈도우 표시하기
        /// </summary>
        /// <param name="windowHandle">윈도우 핸들</param>
        /// <param name="command">명령</param>
        /// <returns>처리 결과</returns>
        [DllImport("user32.dll")]
        private static extern int ShowWindow(int windowHandle, int command);

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Field
        ////////////////////////////////////////////////////////////////////////////////////////// Instance

        #region Field

        /// <summary>
        /// SW_HIDE
        /// </summary>
        private const int SW_HIDE = 0;

        /// <summary>
        /// SW_SHOW
        /// </summary>
        private const int SW_SHOW = 1;

        #endregion

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

        #region 작업 표시줄 숨기기 - HideTaskbar()

        /// <summary>
        /// 작업 표시줄 숨기기
        /// </summary>
        public static void HideTaskbar()
        {
            int hwnd = FindWindow("Shell_TrayWnd", "");

            ShowWindow(hwnd, SW_HIDE);
        }

        #endregion
        #region 작업 표시줄 표시하기 - ShowTaskbar()

        /// <summary>
        /// 작업 표시줄 표시하기
        /// </summary>
        public static void ShowTaskbar()
        {
            int windowHandle = FindWindow("Shell_TrayWnd", string.Empty);

            ShowWindow(windowHandle, SW_SHOW);
        }

        #endregion
    }
}

using System.Runtime.InteropServices;

namespace TestProject

{

/// <summary>

/// WIN32 헬퍼

/// </summary>

public static class WIN32Helper

{

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

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

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

#region 윈도우 찾기 - FindWindow(className, windowText)

/// <summary>

/// 윈도우 찾기

/// </summary>

/// <param name="className">클래스명</param>

/// <param name="windowText">윈도우 텍스트</param>

/// <returns>윈도우 핸들</returns>

[DllImport("user32.dll")]

private static extern int FindWindow(string className, string windowText);

#endregion

#region 윈도우 표시하기 - ShowWindow(windowHandle, command)

/// <summary>

/// 윈도우 표시하기

/// </summary>

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

/// <param name="command">명령</param>

/// <returns>처리 결과</returns>

[DllImport("user32.dll")]

private static extern int ShowWindow(int windowHandle, int command);

#endregion

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

////////////////////////////////////////////////////////////////////////////////////////// Instance

#region Field

/// <summary>

/// SW_HIDE

/// </summary>

private const int SW_HIDE = 0;

/// <summary>

/// SW_SHOW

/// </summary>

private const int SW_SHOW = 1;

#endregion

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

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

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

#region 작업 표시줄 숨기기 - HideTaskbar()

/// <summary>

/// 작업 표시줄 숨기기

/// </summary>

public static void HideTaskbar()

{

int hwnd = FindWindow("Shell_TrayWnd", "");

ShowWindow(hwnd, SW_HIDE);

}

#endregion

#region 작업 표시줄 표시하기 - ShowTaskbar()

/// <summary>

/// 작업 표시줄 표시하기

/// </summary>

public static void ShowTaskbar()

{

int windowHandle = FindWindow("Shell_TrayWnd", string.Empty);

ShowWindow(windowHandle, SW_SHOW);

}

#endregion

}

▶ MainForm.cs


using System;
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();

            this.hideButton.Click += hideButton_Click;
            this.showButton.Click += showButton_Click;
        }

        #endregion

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

        #region 작업 표시줄 숨기기 버튼 클릭시 처리하기 - hideButton_Click(sender, e)

        /// <summary>
        /// 작업 표시줄 숨기기 버튼 클릭시 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private void hideButton_Click(object sender, EventArgs e)
        {
            WIN32Helper.HideTaskbar();
        }

        #endregion
        #region 작업 표시줄 보여주기 버튼 클릭시 처리하기 - showButton_Click(sender, e)

        /// <summary>
        /// 작업 표시줄 보여주기 버튼 클릭시 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private void showButton_Click(object sender, EventArgs e)
        {
            WIN32Helper.ShowTaskbar();
        }

        #endregion
    }
}

using System;

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();

this.hideButton.Click += hideButton_Click;

this.showButton.Click += showButton_Click;

}

#endregion

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

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

#region 작업 표시줄 숨기기 버튼 클릭시 처리하기 - hideButton_Click(sender, e)

/// <summary>

/// 작업 표시줄 숨기기 버튼 클릭시 처리하기

/// </summary>

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

/// <param name="e">이벤트 인자</param>

private void hideButton_Click(object sender, EventArgs e)

{

WIN32Helper.HideTaskbar();

}

#endregion

#region 작업 표시줄 보여주기 버튼 클릭시 처리하기 - showButton_Click(sender, e)

/// <summary>

/// 작업 표시줄 보여주기 버튼 클릭시 처리하기

/// </summary>

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

/// <param name="e">이벤트 인자</param>

private void showButton_Click(object sender, EventArgs e)

{

WIN32Helper.ShowTaskbar();

}

#endregion

}

TestProject.zip