8/14/2019 Desktop picture Capture Source Code
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//Downloaded from
/Visual C# Kicks - http://vckicks.110mb.cong System;ng
System.Collections.Generic;ng System.ComponentModel;ng
System.Data;ng System.Drawing;ng System.Text;ng
System.Windows.Forms;ng System.Runtime.InteropServices;
//Needed
space ScreenShotTaker
publicpartialclassForm1 : Form{public Form1(){
InitializeComponent();}
privatevoid btnTake_Click(object sender, EventArgs e){
pictureBox1.Image = ScreenShot.take();}
privatevoid btnSave_Click(object sender, EventArgs e){
if (saveFileDialog1.ShowDialog() == DialogResult.OK){
pictureBox1.Image.Save(saveFileDialog1.FileName,em.Drawing.Imaging.ImageFormat.Bmp);
}}
}
internalclassAPI{
[DllImport("user32.dll", ExactSpelling = true, SetLastError =
true)]publicstaticexternIntPtr GetDC(IntPtr hWnd);
[DllImport("user32.dll", ExactSpelling =
true)]publicstaticexternIntPtr ReleaseDC(IntPtr hWnd, IntPtr
hDC);
[DllImport("gdi32.dll", ExactSpelling =
true)]publicstaticexternIntPtr BitBlt(IntPtr hDestDC, int x, int y,
int nWidth, int nHeight
Ptr hSrcDC, int xSrc, int ySrc, int dwRop);
[DllImport("user32.dll", EntryPoint =
"GetDesktopWindow")]publicstaticexternIntPtr
GetDesktopWindow();
}
internalclassScreenShot{
publicstaticBitmap take(){
int screenWidth = Screen.PrimaryScreen.Bounds.Width;
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int screenHeight = Screen.PrimaryScreen.Bounds.Height;
Bitmap screenBmp = newBitmap(screenWidth, screenHeight);Graphics
g = Graphics.FromImage(screenBmp);
IntPtr dc1 = API.GetDC(API.GetDesktopWindow());IntPtr dc2 =
g.GetHdc();
//Main drawing, copies the screen to the bitmapAPI.BitBlt(dc2,
0, 0, screenWidth, screenHeight, dc1, 0, 0, 13369376); //last
number
copy constant
//Clean up
API.ReleaseDC(API.GetDesktopWindow(),
dc1);g.ReleaseHdc(dc2);g.Dispose();
return screenBmp;}
}}
