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C# / C Sharp » GUI Windows Form » PrintScreenshots 
Control Print
Control Print

/*
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.com/files/1604_CustomControls_SampleChapter.pdf



For More info on GDI+ Custom Control with Microsoft Visual C# book 
visit website www.packtpub.com 

*/ 
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.Printing;

namespace PrintingCustomControlApp1
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }
        private void button1_Click(object sender, EventArgs e)
        {
            printableRichTextBox1.Print(false);
        }

        private System.ComponentModel.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(7725);
            this.printableRichTextBox1.Name = "printableRichTextBox1";
            this.printableRichTextBox1.Size = new System.Drawing.Size(124117);
            this.printableRichTextBox1.TabIndex = 0;
            this.printableRichTextBox1.Text = "";
            // 
            // button1
            // 
            this.button1.Location = new System.Drawing.Point(63191);
            this.button1.Name = "button1";
            this.button1.Size = new System.Drawing.Size(12630);
            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(6F13F);
            this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
            this.ClientSize = new System.Drawing.Size(292266);
            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.ComponentModel.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.ComponentModel.Container();
            //this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
        }

        #endregion
    }

    
}

           
       
Related examples in the same category
1.Simple Report PrinterSimple Report Printer
2.Begin Print
3.Define Print SettingsDefine Print Settings
4.Print Dialogs
5.Print EventsPrint Events
6.UI PrintUI Print
7.Basic Printing
8.Grid PrintingGrid Printing
9.Printer Caps 1
10.Printer Caps 2Printer Caps 2
11.Printer Caps 3Printer Caps 3
12.Printer Caps 4Printer Caps 4
13.Printer Caps 5Printer Caps 5
14.Printer Caps 6Printer Caps 6
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