"Scott McChesney" <scott.mcchesneyNOSPAM@us.army.mil> wrote in message
news:uXLRI4W2EHA.3120@TK2MSFTNGP12.phx.gbl...
> If you have Windows XP, you can use the "PrintWindow" API. It will take a
> snapshot of a window and put it into a DC.
>
> Look in MSDN for info on the PrintWindow() API. You should be able to
> replace the BitBlt() call with a PrintWindow call, and then your code
should
> work. It would probably look something like this (UNTESTED CODE):
>
> [System.Runtime.InteropServices.DllImportAttribute("user32.dll")]
> private static extern bool PrintWindow
> (
> IntPtr hWnd,
> IntPtr hDC,
> int nFlags
> );
>
> private void Capture_Screen(string filename)
> {
> Image MyImage = new Bitmap(this.Width, this.Height);
> Graphics g = Graphics.FromImage(MyImage);
> IntPtr dc = g.GetHdc();
>
> PrintWindow(this.Handle,dc,0);
> g.ReleaseHdc(dc);
> MyImage.Save(@"d:\rajat\screen_captures\" + filename + ".jpg"
> ,System.Drawing.Imaging.ImageFormat.Jpeg);
> }
>
> If you don't have XP - well, I'm not sure what to tell you there.
>
> HTH
>
> - Scott
>
> "Rajat Tandon" <rajat.tandon@siliconbiztech.com> wrote in message
> news:OtJWm2V2EHA.2112@TK2MSFTNGP15.phx.gbl...
> > Hello there,
> >
> > I am relatively new to the newsgroups and C#. I have never been
> disappointed
> > with the groups and always got the prompt replies to my queries.This is
> yet
> > another strange issue, I am facing. Please please help me to solve this
as
> > soon as possible.
> >
> > So here we go ...
> >
> > I am not able to take the screen shot of the windows form based "Smart
> > Client" application at run time.This is urgently required for making the
> > presentation .
> >
> > Till now I have tried 4 methods...
> > --------------------------------
> > 1) Using IrfanView software
> > 2) Using Snag-it
> > 3) Using Camtasia_Capture&menumaker
> > 4) Using the program which is given below...
> >
> > using System;
> > using System.Drawing;
> >
> > using System.Collections;
> >
> > using System.ComponentModel;
> >
> > using System.Windows.Forms;
> >
> > using System.Data;
> >
> > using System.Reflection;
> >
> > using Microsoft.Win32 ;
> >
> > using System.Runtime.InteropServices;
> >
> > namespace WindowsApplication1
> >
> > {
> >
> > /// <summary>
> >
> > /// Summary description for Form1.
> >
> > /// </summary>
> >
> > public class Form1 : System.Windows.Forms.Form
> >
> > {
> >
> > private System.Windows.Forms.Timer timer1;
> >
> > private System.ComponentModel.IContainer components;
> >
> > private System.Windows.Forms.Button button1;
> >
> >
> >
> > int i;
> >
> >
> >
> > public Form1()
> >
> > {
> >
> > //
> >
> > // Required for Windows Form Designer support
> >
> > //
> >
> > InitializeComponent();
> >
> > i=0;
> >
> > //
> >
> > // TODO: Add any constructor code after InitializeComponent call
> >
> > //
> >
> > }
> >
> > /// <summary>
> >
> > /// Clean up any resources being used.
> >
> > /// </summary>
> >
> > protected override void Dispose( bool disposing )
> >
> > {
> >
> > if( disposing )
> >
> > {
> >
> > if (components != null)
> >
> > {
> >
> > components.Dispose();
> >
> > }
> >
> > }
> >
> > base.Dispose( disposing );
> >
> > }
> >
> >
> >
> > [System.Runtime.InteropServices.DllImportAttribute("gdi32.dll")]
> >
> > private static extern bool BitBlt
> >
> > (
> >
> > IntPtr hdcDest, // handle to destination DC
> >
> > int nXDest, // x-coord of destination upper-left corner
> >
> > int nYDest, // y-coord of destination upper-left corner
> >
> > int nWidth, // width of destination rectangle
> >
> > int nHeight, // height of destination rectangle
> >
> > IntPtr hdcSrc, // handle to source DC
> >
> > int nXSrc, // x-coordinate of source upper-left corner
> >
> > int nYSrc, // y-coordinate of source upper-left corner
> >
> > System.Int32 dwRop // raster operation code
> >
> > );
> >
> > private void Capture_Screen(string filename)
> >
> > {
> >
> > Graphics g1 = this.CreateGraphics();
> >
> > Image MyImage = new Bitmap(this.ClientRectangle.Width,
> >
> > this.ClientRectangle.Height, g1);
> >
> > MyImage = new Bitmap(this.ClientRectangle.Width,
> >
> > this.ClientRectangle.Height, g1);
> >
> > Graphics g2 = Graphics.FromImage(MyImage);
> >
> > IntPtr dc1 = g1.GetHdc();
> >
> > IntPtr dc2 = g2.GetHdc();
> >
> > BitBlt(dc2, 0, 0, this.ClientRectangle.Width,
> >
> > this.ClientRectangle.Height, dc1, 0, 0, 13369376);
> >
> > g1.ReleaseHdc(dc1);
> >
> > g2.ReleaseHdc(dc2);
> >
> > MyImage.Save(@"d:\rajat\screen_captures\" + filename + ".jpg"
> > ,System.Drawing.Imaging.ImageFormat.Jpeg);
> >
> > }
> >
> >
> >
> > #region Windows Form Designer generated code
> >
> > /// <summary>
> >
> > /// Required method for Designer support - do not modify
> >
> > /// the contents of this method with the code editor.
> >
> > /// </summary>
> >
> > private void InitializeComponent()
> >
> > {
> >
> > this.components = new System.ComponentModel.Container();
> >
> > this.timer1 = new System.Windows.Forms.Timer(this.components);
> >
> > this.button1 = new System.Windows.Forms.Button();
> >
> > this.SuspendLayout();
> >
> > //
> >
> > // timer1
> >
> > //
> >
> > this.timer1.Enabled = true;
> >
> > this.timer1.Interval = 1000;
> >
> > this.timer1.Tick += new System.EventHandler(this.timer1_Tick);
> >
> > //
> >
> > // button1
> >
> > //
> >
> > this.button1.Location = new System.Drawing.Point(80, 32);
> >
> > this.button1.Name = "button1";
> >
> > this.button1.TabIndex = 0;
> >
> > this.button1.Text = "button1";
> >
> > this.button1.Click += new System.EventHandler(this.button1_Click);
> >
> > //
> >
> > // Form1
> >
> > //
> >
> > this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
> >
> > this.ClientSize = new System.Drawing.Size(232, 101);
> >
> > this.Controls.Add(this.button1);
> >
> > this.Name = "Form1";
> >
> > this.Text = "Form1";
> >
> > this.WindowState = System.Windows.Forms.FormWindowState.Maximized;
> >
> > this.Load += new System.EventHandler(this.Form1_Load);
> >
> > this.ResumeLayout(false);
> >
> > }
> >
> > #endregion
> >
> > /// <summary>
> >
> > /// The main entry point for the application.
> >
> > /// </summary>
> >
> > [STAThread]
> >
> > static void Main()
> >
> > {
> >
> > Application.Run(new Form1());
> >
> > }
> >
> > private void Form1_Load(object sender, System.EventArgs e)
> >
> > {
> >
> > this.Hide();
> >
> > }
> >
> > private void Connecticon_Click(object sender, System.EventArgs e)
> >
> > {
> >
> >
> > }
> >
> >
> >
> > private void timer1_Tick(object sender, System.EventArgs e)
> >
> > {
> >
> >
> > string filename;
> >
> > try
> >
> > {
> >