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Текущая версия на 12:09, 26 мая 2010

new PrintDialog()

  

/*
Code revised from chapter 7

GDI+ Custom Controls with Visual C# 2005
By Iulian Serban, Dragos Brezoi, Tiberiu Radu, Adam Ward 
Language English
Paperback 272 pages [191mm x 235mm]
Release date July 2006
ISBN 1904811604
Sample chapter
http://www.packtpub.ru/files/1604_CustomControls_SampleChapter.pdf

For More info on GDI+ Custom Control with Microsoft Visual C# book 
visit website www.packtpub.ru 
*/ 
using System;
using System.Collections.Generic;
using System.ruponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.Drawing.Printing;
namespace PrintingCustomControlApp1
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }
        private void button1_Click(object sender, EventArgs e)
        {
            printableRichTextBox1.Print(false);
        }
        private System.ruponentModel.IContainer components = null;
        /// <summary>
        /// Clean up any resources being used.
        /// </summary>
        /// <param name="disposing">true if managed resources should be disposed; otherwise, false.</param>
        protected override void Dispose(bool disposing)
        {
            if (disposing && (components != null))
            {
                components.Dispose();
            }
            base.Dispose(disposing);
        }
        #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.printableRichTextBox1 = new PrintingCustomControlApp1.PrintableRichTextBox();
            this.button1 = new System.Windows.Forms.Button();
            this.SuspendLayout();
            // 
            // printableRichTextBox1
            // 
            this.printableRichTextBox1.Location = new System.Drawing.Point(77, 25);
            this.printableRichTextBox1.Name = "printableRichTextBox1";
            this.printableRichTextBox1.Size = new System.Drawing.Size(124, 117);
            this.printableRichTextBox1.TabIndex = 0;
            this.printableRichTextBox1.Text = "";
            // 
            // button1
            // 
            this.button1.Location = new System.Drawing.Point(63, 191);
            this.button1.Name = "button1";
            this.button1.Size = new System.Drawing.Size(126, 30);
            this.button1.TabIndex = 1;
            this.button1.Text = "Print the Control text";
            this.button1.UseVisualStyleBackColor = true;
            this.button1.Click += new System.EventHandler(this.button1_Click);
            // 
            // Form1
            // 
            this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);
            this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
            this.ClientSize = new System.Drawing.Size(292, 266);
            this.Controls.Add(this.button1);
            this.Controls.Add(this.printableRichTextBox1);
            this.Name = "Form1";
            this.Text = "Form1";
            this.ResumeLayout(false);
        }
        #endregion
        private PrintableRichTextBox printableRichTextBox1;
        private System.Windows.Forms.Button button1;
        [STAThread]
        static void Main()
        {
            Application.EnableVisualStyles();
            Application.SetCompatibleTextRenderingDefault(false);
            Application.Run(new Form1());
        }
    }
    public partial class PrintableRichTextBox : RichTextBox
    {
        public PrintableRichTextBox()
        {
            InitializeComponent();
            _prtdoc = new PrintDocument();
            _prtdoc.PrintPage += new PrintPageEventHandler(_prtdoc_PrintPage);
        }
        string _text = null;
        int _pageNumber = 0;
        int _start = 0;
        PrintDocument _prtdoc = null;
        private bool DrawText(Graphics target, Graphics measurer, RectangleF r, Brush brsh)
        {
            if (r.Height < this.Font.Height)
                throw new ArgumentException("The rectangle is not tall enough to fit a single line of text inside.");
            int charsFit = 0;
            int linesFit = 0;
            int cut = 0;
            string temp = _text.Substring(_start);
            StringFormat format = new StringFormat(StringFormatFlags.FitBlackBox | StringFormatFlags.LineLimit);
            //measure how much of the string we can fit into the rectangle
            measurer.MeasureString(temp, this.Font, r.Size, format, out charsFit, out linesFit);
            cut = BreakText(temp, charsFit);
            if (cut != charsFit)
                temp = temp.Substring(0, cut);
            bool h = true;
            h &= true;
            target.DrawString(temp.Trim(" "), this.Font, brsh, r, format);
            _start += cut;
            if (_start == _text.Length)
            {
                _start = 0; //reset the location so we can repeat the document
                return true; //finished printing
            }
            else
                return false;
        }
        private static int BreakText(string text, int approx)
        {
            if (approx == 0)
                throw new ArgumentException();
            if (approx < text.Length)
            {
                //are we in the middle of a word?
                if (char.IsLetterOrDigit(text[approx]) && char.IsLetterOrDigit(text[approx - 1]))
                {
                    int temp = text.LastIndexOf(" ", approx, approx + 1);
                    if (temp >= 0)
                        return temp;
                }
            }
            return approx;
        }
        public void Print(bool hardcopy)
        {
            _text = this.Text;
            //create a PrintDialog based on the PrintDocument
            PrintDialog pdlg = new PrintDialog();
            pdlg.Document = _prtdoc;
            //show the PrintDialog
            if (pdlg.ShowDialog() == DialogResult.OK)
            {
                //create a PageSetupDialog based on the PrintDocument and PrintDialog
                PageSetupDialog psd = new PageSetupDialog();
                psd.EnableMetric = true; //Ensure all dialog measurements are in metric
                psd.Document = pdlg.Document;
                //show the PageSetupDialog
                if (psd.ShowDialog() == DialogResult.OK)
                {
                    //apply the settings of both dialogs
                    _prtdoc.DefaultPageSettings = psd.PageSettings;
                    //decide what action to take
                    if (hardcopy)
                    {
                        //actually print hardcopy
                        _prtdoc.Print();
                    }
                    else
                    {
                        //preview onscreen instead
                        PrintPreviewDialog prvw = new PrintPreviewDialog();
                        prvw.Document = _prtdoc;
                        prvw.ShowDialog();
                    }
                }
            }
        }
        private void _prtdoc_PrintPage(object sender, PrintPageEventArgs e)
        {
            e.Graphics.Clip = new Region(e.MarginBounds);
            //this method does all our printing work
            Single x = e.MarginBounds.Left;
            Single y = e.MarginBounds.Top;
            if (_pageNumber++ == 0)
                y += 30;
            RectangleF mainTextArea = RectangleF.FromLTRB(x, y, e.MarginBounds.Right, e.MarginBounds.Bottom);
            //draw the text
            if (DrawText(e.Graphics, e.PageSettings.PrinterSettings.CreateMeasurementGraphics(), mainTextArea, Brushes.Black))
            {
                e.HasMorePages = false; //the end has been reached
                _pageNumber = 0;
            }
            else
                e.HasMorePages = true;
        }
        private System.ruponentModel.IContainer components = null;
        /// <summary> 
        /// Clean up any resources being used.
        /// </summary>
        /// <param name="disposing">true if managed resources should be disposed; otherwise, false.</param>
        protected override void Dispose(bool disposing)
        {
            if (disposing && (components != null))
            {
                components.Dispose();
            }
            base.Dispose(disposing);
        }
        #region Component 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()
        {
            components = new System.ruponentModel.Container();
            //this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
        }
        #endregion
    }
    
}


PrintDialog.Document

 
using System;
using System.Drawing;
using System.Windows.Forms;
using System.Drawing.Printing;
public class PrintDialogPrint : Form
{
    public PrintDialogPrint()
    {
        this.cmdPrint = new System.Windows.Forms.Button();
        this.SuspendLayout();
        // 
        this.cmdPrint.Location = new System.Drawing.Point(109, 122);
        this.cmdPrint.Size = new System.Drawing.Size(75, 23);
        this.cmdPrint.Text = "Print";
        this.cmdPrint.UseVisualStyleBackColor = true;
        this.cmdPrint.Click += new System.EventHandler(this.cmdPrint_Click);
        // 
        this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);
        this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
        this.ClientSize = new System.Drawing.Size(272, 260);
        this.Controls.Add(this.cmdPrint);
        this.Text = "Simple Print";
        this.ResumeLayout(false);
    }
    private void cmdPrint_Click(object sender, EventArgs e)
    {
        PrintDocument doc = new PrintDocument();
        doc.PrintPage += this.Doc_PrintPage;
        PrintDialog dlgSettings = new PrintDialog();
        dlgSettings.Document = doc;
        if (dlgSettings.ShowDialog() == DialogResult.OK)
        {
            doc.Print();
        }
    }
    private void Doc_PrintPage(object sender, PrintPageEventArgs e)
    {
        Font font = new Font("Arial", 30);
        
        float x = e.MarginBounds.Left;
        float y = e.MarginBounds.Top;
        float lineHeight = font.GetHeight(e.Graphics);
        for (int i = 0; i < 5; i++)
        {
            e.Graphics.DrawString("This is line " + i.ToString(),font, Brushes.Black, x, y);
            y += lineHeight;
        }
        y += lineHeight;
        e.Graphics.DrawImage(Image.FromFile("c:\\YourFile.bmp"), x, y);
        
    }
    [STAThread]
    static void Main()
    {
        Application.EnableVisualStyles();
        Application.SetCompatibleTextRenderingDefault(false);
        Application.Run(new PrintDialogPrint());
    }
    private System.Windows.Forms.Button cmdPrint;
    
}