■ 선택 프로세스의 프로그램 영역을 캡처하는 방법을 보여준다.
▶ MainWindow.xaml
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<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="선택 프로세스의 프로그램 영역 캡처하기" FontFamily="나눔고딕코딩" FontSize="16"> <Grid Margin="10"> <Grid> <Grid.RowDefinitions> <RowDefinition Height="*" /> <RowDefinition Height="10" /> <RowDefinition Height="Auto" /> </Grid.RowDefinitions> <Grid.ColumnDefinitions> <ColumnDefinition Width="Auto" /> <ColumnDefinition Width="*" /> <ColumnDefinition Width="Auto" /> </Grid.ColumnDefinitions> <Border Grid.Row="0" Grid.Column="0" Grid.ColumnSpan="3" BorderBrush="Black" BorderThickness="1"> <ScrollViewer HorizontalScrollBarVisibility="Auto" VerticalScrollBarVisibility="Auto"> <Image x:Name="image" Stretch="None" /> </ScrollViewer> </Border> <Button x:Name="fetchButton" Grid.Row="2" Grid.Column="0" Width="100" Height="30" Content="가져오기" /> <ComboBox x:Name="processComboBox" Grid.Row="2" Grid.Column="1" VerticalAlignment="Center" Margin="10 0 10 0" Height="25" ItemsSource="{Binding}" /> <Button x:Name="captureButton" Grid.Row="2" Grid.Column="2" Width="100" Height="30" Content="캡처하기" /> </Grid> </Grid> </Window> |
▶ MainWindow.xaml.cs
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using System; using System.Collections.Generic; using System.Diagnostics; using System.Drawing; using System.Drawing.Imaging; using System.IO; using System.Runtime.InteropServices; using System.Windows; using System.Windows.Media.Imaging; namespace TestProject { /// <summary> /// 메인 윈도우 /// </summary> public partial class MainWindow : Window { //////////////////////////////////////////////////////////////////////////////////////////////////// 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.dll")] private static extern IntPtr FindWindow(string className, string windowName); #endregion #region 윈도우 인쇄하기 - PrintWindow(windowHandle, deviceContextHandle, flag) /// <summary> /// 윈도우 인쇄하기 /// </summary> /// <param name="windowHandle">윈도우 핸들</param> /// <param name="deviceContextHandle">디바이스 컨텍스트 핸들</param> /// <param name="flag">플래그</param> /// <returns>처리 결과</returns> [DllImport("user32.dll", SetLastError = true)] [return: MarshalAs(UnmanagedType.Bool)] private static extern bool PrintWindow(IntPtr windowHandle, IntPtr deviceContextHandle, uint flag); #endregion #region 윈도우 영역 구하기 - GetWindowRgn(windowHandle, regionHandle) /// <summary> /// 윈도우 영역 구하기 /// </summary> /// <param name="windowHandle">윈도우 핸들</param> /// <param name="regionHandle">영역 핸들</param> /// <returns>처리 결과</returns> [DllImport("user32.dll", SetLastError = true)] private static extern int GetWindowRgn(IntPtr windowHandle, IntPtr regionHandle); #endregion #region 사각형 영역 생성하기 - CreateRectRgn(left, top, right, bottom) /// <summary> /// 사각형 영역 생성하기 /// </summary> /// <param name="left">왼쪽</param> /// <param name="top">위쪽</param> /// <param name="right">오른쪽</param> /// <param name="bottom">아래쪽</param> /// <returns>사각형 영역 핸들</returns> [DllImport("gdi32.dll")] private static extern IntPtr CreateRectRgn(int left, int top, int right, int bottom); #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor ////////////////////////////////////////////////////////////////////////////////////////// Public #region 생성자 - MainWindow() /// <summary> /// 생성자 /// </summary> public MainWindow() { InitializeComponent(); this.fetchButton.Click += fetchButton_Click; this.captureButton.Click += captureButton_Click; } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Private //////////////////////////////////////////////////////////////////////////////// Event #region 가져오기 버튼 클릭시 처리하기 - fetchButton_Click(sender, e) /// <summary> /// 가져오기 버튼 클릭시 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void fetchButton_Click(object sender, RoutedEventArgs e) { Process[] processArray = Process.GetProcesses(); List<string> processNameList = new List<string>(); foreach(Process process in processArray) { if(process.MainWindowTitle.Equals(string.Empty)) { continue; } processNameList.Add($"{process.MainWindowTitle}|{process.Id}"); } this.processComboBox.ItemsSource = processNameList; } #endregion #region 캡처하기 버튼 클릭시 처리하기 - captureButton_Click(sender, e) /// <summary> /// 캡처하기 버튼 클릭시 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void captureButton_Click(object sender, RoutedEventArgs e) { string name = this.processComboBox.SelectedItem.ToString(); string[] tokenArray = name.Split('|'); string mainWindowTitle = tokenArray[0]; Bitmap bitmap = CaptureBitmap(mainWindowTitle); this.image.Source = GetBitmapImage(bitmap); } #endregion //////////////////////////////////////////////////////////////////////////////// Function #region 비트맵 이미지 구하기 - GetBitmapImage(bitmap) /// <summary> /// 비트맵 이미지 구하기 /// </summary> /// <param name="bitmap">비트맵</param> /// <returns>비트맵 이미지</returns> private BitmapImage GetBitmapImage(Bitmap bitmap) { using(MemoryStream stream = new MemoryStream()) { bitmap.Save(stream, ImageFormat.Bmp); stream.Position = 0; BitmapImage bitmapimage = new BitmapImage(); bitmapimage.BeginInit(); bitmapimage.StreamSource = stream; bitmapimage.CacheOption = BitmapCacheOption.OnLoad; bitmapimage.EndInit(); return bitmapimage; } } #endregion #region 비트맵 캡처하기 - CaptureBitmap(processName) /// <summary> /// 비트맵 캡처하기 /// </summary> /// <param name="processName">프로세스명</param> /// <returns>비트맵</returns> private Bitmap CaptureBitmap(string processName) { IntPtr windowHandle = FindWindow(null, processName); Rectangle rectangle = Rectangle.Empty; Graphics graphics = Graphics.FromHwnd(windowHandle); rectangle = Rectangle.Round(graphics.VisibleClipBounds); Bitmap bitmap = new Bitmap ( rectangle.Width, rectangle.Height, PixelFormat.Format32bppArgb ); Graphics bitmapGraphics = Graphics.FromImage(bitmap); IntPtr bitmapHancle = bitmapGraphics.GetHdc(); bool result = PrintWindow(windowHandle, bitmapHancle, 1); bitmapGraphics.ReleaseHdc(bitmapHancle); if(!result) { bitmapGraphics.FillRectangle ( new SolidBrush(Color.Gray), new Rectangle(System.Drawing.Point.Empty, bitmap.Size) ); } IntPtr regionHandle = CreateRectRgn(0, 0, 0, 0); GetWindowRgn(windowHandle, regionHandle); Region region = Region.FromHrgn(regionHandle); if(!region.IsEmpty(bitmapGraphics)) { bitmapGraphics.ExcludeClip(region); bitmapGraphics.Clear(Color.Transparent); } bitmapGraphics.Dispose(); return bitmap; } #endregion } } |
