printing

Question

 hsi,

using System;

using System.Collections.Generic;

using System.ComponentModel;

using System.Data;

using System.Drawing;

using System.Text;

using System.Windows.Forms;

using System.Drawing.Imaging;

using System.Drawing.Printing;

 

namespace WindowsFormsApplication10

{

    public partial class Form1 : Form

    {

        public Form1()

        {

            InitializeComponent();

        }

 

 

        private System.IO.Stream streamToPrint;

        string streamType;

        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 Form1_Load(object sender, EventArgs e)

        {

 

        }

 

        private void printDocument1_PrintPage(object sender, PrintPageEventArgs e)

        {

            System.Drawing.Image image = System.Drawing.Image.FromStream;

            this.streamToPrint;

            int x = e.MarginBounds.X;

            int y = e.MarginBounds.Y;

            int width = image.Width;

            int height = image.Height;

            if ((width / e.MarginBounds.Width) > (height / e.MarginBounds.Height))

            {

                width = e.MarginBounds.Width;

                height = image.Height * e.MarginBounds.Width / image.Width;

            }

            else

            {

                height = e.MarginBounds.Height;

                width = image.Width * e.MarginBounds.Height / image.Height;

            }

            System.Drawing.Rectangle destRect = new System.Drawing.Rectangle(x, y, width, height);

            e.Graphics.DrawImage(image, destRect, 0, 0, image.Width, image.Height, System.Drawing.GraphicsUnit.Pixel);

 

 

        }

 

        private void button1_Click(object sender, EventArgs e)

        {

            Graphics g1 = this.CreateGraphics();

            Image 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(@"c:\PrintPage.jpg", ImageFormat.Jpeg);

            FileStream fileStream = new FileStream(@"c:\PrintPage.jpg", FileMode.Open, FileAccess.Read);

            StartPrint(fileStream, "Image");

            fileStream.Close();

            if (System.IO.File.Exists(@"c:\PrintPage.jpg"))

            {

                System.IO.File.Delete(@"c:\PrintPage.jpg");

            }

 

 

        }

 

        public void StartPrint(Stream streamToPrint, string streamType)

        {

            this.printDoc.PrintPage += new PrintPageEventHandler(printDoc_PrintPage);

            this.streamToPrint = streamToPrint;

            this.streamType = streamType;

            System.Windows.Forms.PrintDialog PrintDialog1 = new PrintDialog();

            PrintDialog1.AllowSomePages = true;

            PrintDialog1.ShowHelp = true;

            PrintDialog1.Document = printDoc;

            DialogResult result = PrintDialog1.ShowDialog();

            if (result == DialogResult.OK)

            {

                printDoc.Print();

                //docToPrint.Print();

            }

        }

    }

}

  i use this code for printing a page with 3 labels and 3 textboxes. but the error "The type or namespace name 'Stream' could not be found (are you missing a using directive or an assembly reference?)   " is displayed. plz help.