[C#/WINFORM] 특정 프로세스의 윈도우 핸들 구하기
■ 특정 프로세스의 윈도우 핸들을 구하는 방법을 보여준다. ▶ MainForm.cs
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using System; using System.Diagnostics; using System.Linq; using System.Runtime.InteropServices; using System.Windows.Forms; namespace TestProject { /// <summary> /// 메인 폼 /// </summary> public partial class MainForm : Form { //////////////////////////////////////////////////////////////////////////////////////////////////// Import ////////////////////////////////////////////////////////////////////////////////////////// Static //////////////////////////////////////////////////////////////////////////////// Private #region 윈도우 찾기 - FindWindow(className, windowName) /// <summary> /// 윈도우 찾기 /// </summary> /// <param name="className">클래스명</param> /// <param name="windowName">윈도우명</param> /// <returns>윈도우 핸들</returns> [DllImport("user32", CharSet = CharSet.Auto)] private static extern IntPtr FindWindow(string className, string windowName); #endregion #region 전경 윈도우 설정하기 - SetForegroundWindow(windowHandle) /// <summary> /// 전경 윈도우 설정하기 /// </summary> /// <param name="windowHandle">윈도우 핸들</param> [DllImport("user32", CharSet = CharSet.Auto)] private static extern void SetForegroundWindow(IntPtr windowHandle); #endregion #region 윈도우 표시하기 - ShowWindow(windowHandle, showCommand) /// <summary> /// 윈도우 표시하기 /// </summary> /// <param name="windowHandle">윈도우 핸들</param> /// <param name="showCommand">표시 명령</param> /// <returns>처리 결과</returns> [DllImport("user32", CharSet = CharSet.Auto)] public static extern bool ShowWindow(IntPtr windowHandle, int showCommand); #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Field ////////////////////////////////////////////////////////////////////////////////////////// Private #region Field /// <summary> /// SW_SHOWNORMAL /// </summary> private const int SW_SHOWNORMAL = 1; #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor ////////////////////////////////////////////////////////////////////////////////////////// Public #region 생성자 - MainForm() /// <summary> /// 생성자 /// </summary> public MainForm() { InitializeComponent(); Load += Form_Load; this.executeButton.Click += executeButton_Click; } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Private #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) { string[] mainWindowTitleArray = Process.GetProcesses() .Select(p => p.MainWindowTitle) .Where(p => !string.IsNullOrEmpty(p)) .Distinct() .OrderBy(p => p) .ToArray(); foreach(string mainWindowTitle in mainWindowTitleArray) { this.processListBox.Items.Add(mainWindowTitle); } } #endregion #region 실행 버튼 클릭시 처리하기 - executeButton_Click(sender, e) /// <summary> /// 실행 버튼 클릭시 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void executeButton_Click(object sender, EventArgs e) { if(this.processListBox.Items.Count == 0 || this.processListBox.SelectedItem == null) { return; } string mainWindowTitle = this.processListBox.SelectedItem as string; IntPtr windowHandle = FindWindow(null, mainWindowTitle); if(windowHandle != IntPtr.Zero) { bool result = ShowWindow(windowHandle, SW_SHOWNORMAL); if(result) { SetForegroundWindow(windowHandle); } } } #endregion } } |
TestProject.zip