Perform a Screen Capture : Screen « 2D Graphics « C# / C Sharp

1. C# / C Sharp
2. 2D Graphics
3. Screen

Perform a Screen Capture

  


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

public class DesktopCapture {

    [DllImport("user32.dll")]
    private extern static IntPtr GetDesktopWindow();

    [DllImport("user32.dll")]
    private extern static IntPtr GetDC(IntPtr windowHandle);

    [DllImport("gdi32.dll")]
    private extern static IntPtr GetCurrentObject(IntPtr hdc,
      ushort objectType);

    [DllImport("user32.dll")]
    private extern static void ReleaseDC( IntPtr hdc );

    const int OBJ_BITMAP = 7;

    public static Bitmap Capture() {
        IntPtr desktopWindow = GetDesktopWindow();
        IntPtr desktopDC = GetDC( desktopWindow );
        IntPtr desktopBitmap = GetCurrentObject(desktopDC, OBJ_BITMAP);
        Bitmap desktopImage = Image.FromHbitmap( desktopBitmap );
        ReleaseDC(desktopDC);
        return desktopImage;
    }
}

   
  

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