Desktop Picture Capture Source Code

//Downloaded from //Visual C# Kicks - http://vckicks.110mb.com/ using using using using using using using using

System; System.Collections.Generic; System.ComponentModel; System.Data; System.Drawing; System.Text; System.Windows.Forms; System.Runtime.InteropServices; //Needed

namespace ScreenShotTaker { public partial class Form1 : Form { public Form1() { InitializeComponent(); } private void btnTake_Click(object sender, EventArgs e) { pictureBox1.Image = ScreenShot.take(); } private void btnSave_Click(object sender, EventArgs e) { if (saveFileDialog1.ShowDialog() == DialogResult.OK) { pictureBox1.Image.Save(saveFileDialog1.FileName, System.Drawing.Imaging.ImageFormat.Bmp); } } } internal class API { [DllImport("user32.dll", ExactSpelling = true, SetLastError = true)] public static extern IntPtr GetDC(IntPtr hWnd); [DllImport("user32.dll", ExactSpelling = true)] public static extern IntPtr ReleaseDC(IntPtr hWnd, IntPtr hDC); [DllImport("gdi32.dll", ExactSpelling = true)] public static extern IntPtr BitBlt(IntPtr hDestDC, int x, int y, int nWidth, int nHeight, IntPtr hSrcDC, int xSrc, int ySrc, int dwRop);

}

[DllImport("user32.dll", EntryPoint = "GetDesktopWindow")] public static extern IntPtr GetDesktopWindow();

internal class ScreenShot { public static Bitmap take() { int screenWidth = Screen.PrimaryScreen.Bounds.Width;

int screenHeight = Screen.PrimaryScreen.Bounds.Height; Bitmap screenBmp = new Bitmap(screenWidth, screenHeight); Graphics g = Graphics.FromImage(screenBmp); IntPtr dc1 = API.GetDC(API.GetDesktopWindow()); IntPtr dc2 = g.GetHdc(); //Main drawing, copies the screen to the bitmap API.BitBlt(dc2, 0, 0, screenWidth, screenHeight, dc1, 0, 0, 13369376); //last number is the copy constant //Clean up API.ReleaseDC(API.GetDesktopWindow(), dc1); g.ReleaseHdc(dc2); g.Dispose(); return screenBmp; }

} }