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printing the object in the opengl window

Posted on 2008-10-23
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Last Modified: 2012-05-05
I am develping an csgl application in csharp........is there any idea to print the object that is displayed in the opengl window........There is an option called print document in the csharp toolbox..........that is not working......

any ideas?
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Question by:jsbsudha
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torrie01 earned 2000 total points
ID: 22789914
I haven't used OpenGL before, but here is how I print a screenshot of a window:


        private void Print()
        {
            PrintDocument printDoc = new PrintDocument();
            printDoc.PrintPage += new PrintPageEventHandler(printer_PrintPage);
 
            PrintDialog printForm = new PrintDialog();
            printForm.Document = printDoc;
            printForm.UseEXDialog = true;
            DialogResult result = printForm.ShowDialog();
            if (result == DialogResult.OK)
            {
                printDoc.PrinterSettings = printForm.PrinterSettings;
                
                printDoc.Print();
            }
            
            //removing event handler so object will properly dispose
            printDoc.PrintPage -= new PrintPageEventHandler(printer_PrintPage);
            printDoc.Dispose();
            printForm.Dispose();
        }
 
	void printer_PrintPage(object sender, PrintPageEventArgs e)
        {
	    UserControl screen = this; //replace this with wherever your OpenGL window is
 
            using (Bitmap bmp = new Bitmap(screen.Width, screen.Height))
            {
                screen.DrawToBitmap(bmp, new Rectangle(0, 0, screen.Width, screen.Height));
                e.Graphics.DrawImage(bmp, 0, 0);
            }
        }

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