How to print vector barcodes with WPF in a console app or Windows Service with C# or VB.NET

Product Barcode Professional for WPF Published 10/21/2010 Updated 10/21/2010

Requirements

Neodynamic Barcode Professional 4.0 for WPF (or greater)
Microsoft .NET Framework 3.5 (or greater)
Microsoft Visual Studio 2010 or Visual Basic 2010 Express or Visual C# 2010 Express

In this guide you will learn how to print vector-based barcodes inside a Console App or Windows Service by using Neodynamic Barcode Professional for WPF.
Taking advantage on the printing features of WPF which is very powerful and easy to use, you can print barcode documents or labels in scenarios where the classic GDI+ (System.Drawing.Printing.PrintDocument class) is not supported like Windows Services. Although the source code in this guide is for Console Apps, you can easily port it to a Windows Service project.

This guide provides two printing scenarios. The first one is for printing a single page document featuring a Code 39 barcode while the second one is for printing a multipage document with a list of products. The products are in a XML file including id, name and price and a Code 128 barcode is generated for each product ID. Please note that although we have used simple linear barcodes Code 39 and Code 128 in this guide, you could use any of the barcode standards included in Barcode Professional for WPF like EAN-13, UPC-A, GS1-128, USPS Intelligent Mail Barcode as well as 2D symbologies like Data Matrix, QR Code, Aztec Code, PDF 417, etc. (More info about all supported barcode symbologies in Barcode Professional for WPF)

Please follow up these steps:

Download and install latest version of Neodynamic Barcode Professional for WPF
Open Visual Studio and create a new Console Application project

Add a new Class item to your project and name it SinglePageDocBarcode

This class will print a single page with a Code 39 barcode encoding part of a random GUID. It is very straightforward but will provide you a basic code if you are in such printing scenario.

A single page document with a vector barcode in WPF

VB


Imports System.Printing
Imports System.Windows.Xps
Imports System.Windows.Media
Imports System.Globalization
Imports System.Windows
 
Public Class SinglePageDocBarcode
 
    Public Shared Sub Print()
        Dim server As New LocalPrintServer()
        Dim queue As PrintQueue = server.DefaultPrintQueue
        Dim ticket As PrintTicket = queue.DefaultPrintTicket
        Dim writer As XpsDocumentWriter = PrintQueue.CreateXpsDocumentWriter(queue)
        writer.Write(CreateVisual(ticket), ticket)
    End Sub
 
    Private Shared Function CreateVisual(ByVal ticket As PrintTicket) As Visual
        Dim width As Double = ticket.PageMediaSize.Width.Value
        Dim height As Double = ticket.PageMediaSize.Height.Value
        Const inch As Double = 96
 
        Dim visual As New DrawingVisual()
        Using dc As DrawingContext = visual.RenderOpen()
            'Draw a sample text
            dc.DrawText(New FormattedText("Sample Barcode in WPF", CultureInfo.InvariantCulture, FlowDirection.LeftToRight, New Typeface(New FontFamily("Arial"), FontStyles.Normal, FontWeights.Bold, FontStretches.Normal), 14, Brushes.Black), New Point(0.5 * inch, 0.5 * inch))
 
            'Draw a barcode
            Dim bc As New Neodynamic.WPF.BarcodeBuilder()
            bc.BarcodeUnit = Neodynamic.WPF.BarcodeUnit.Inch
            bc.Symbology = Neodynamic.WPF.Symbology.Code39
            bc.Extended = True
            bc.AddChecksum = False
            bc.Code = Guid.NewGuid().ToString().ToUpper().Replace("-", "").Substring(0, 16)
            bc.BarWidth = 1 / inch
            bc.BarHeight = 0.75
            bc.QuietZone = New Thickness(0, 0.1, 0, 0.1)
            bc.FontSize = 12
            'locate the barcode drawing by using TranslateTransform
            dc.PushTransform(New TranslateTransform(0.5 * inch, inch))
 
            dc.DrawDrawing(bc.GetBarcodeDrawing())
 
        End Using
 
 
        Return visual
    End Function
 
End Class

C#


using System;
using System.Windows.Media;
using System.Printing;
using System.Windows;
using System.Windows.Xps;
using System.Globalization;
 
namespace WPFBarcodePrintConsoleCS
{
    class SinglePageDocBarcode
    {
 
        public static void Print()
        {
            LocalPrintServer server = new LocalPrintServer();
            PrintQueue queue = server.DefaultPrintQueue;
            PrintTicket ticket = queue.DefaultPrintTicket;
            XpsDocumentWriter writer = PrintQueue.CreateXpsDocumentWriter(queue);
            writer.Write(CreateVisual(ticket), ticket);
        }
 
        private static Visual CreateVisual(PrintTicket ticket)
        {
            double width = ticket.PageMediaSize.Width.Value;
            double height = ticket.PageMediaSize.Height.Value;
            const double inch = 96;
 
            DrawingVisual visual = new DrawingVisual();
            using (DrawingContext dc = visual.RenderOpen())
            {
                //Draw a sample text
                dc.DrawText(new FormattedText("Sample Barcode in WPF",
                    CultureInfo.InvariantCulture,
                     FlowDirection.LeftToRight,
                     new Typeface(new FontFamily("Arial"), FontStyles.Normal, FontWeights.Bold, FontStretches.Normal),
                     14,
                     Brushes.Black), new Point(0.5 * inch, 0.5 * inch));
 
                //Draw a barcode
                Neodynamic.WPF.BarcodeBuilder bc = new Neodynamic.WPF.BarcodeBuilder();
                bc.BarcodeUnit = Neodynamic.WPF.BarcodeUnit.Inch;
                bc.Symbology = Neodynamic.WPF.Symbology.Code39;
                bc.Extended = true;
                bc.AddChecksum = false;
                bc.Code = Guid.NewGuid().ToString().ToUpper().Replace("-", "").Substring(0, 16);
                bc.BarWidth = 1 / inch;
                bc.BarHeight = 0.75;
                bc.QuietZone = new Thickness(0, 0.1, 0, 0.1);
                bc.FontSize = 12;
                //locate the barcode drawing by using TranslateTransform
                dc.PushTransform(new TranslateTransform(0.5 * inch, inch));
 
                dc.DrawDrawing(bc.GetBarcodeDrawing());
 
            }
 
            return visual;
        }
 
    }
}

Add a new Class item to your project and name it MultiPageDocBarcode

This class is a bit more complex than the first one but easily to follow up. In this code the idea is to get Product info (ID, Name and Price) from an XML file and generated a multi page doc featuring a product list with a Code 128 barcode encoding the product ID. The sheet of paper is configured for US Letter size (8.5 inch x 11 inch) and will hold 10 product items per sheet. The class code has the following parts:

CreateProductItem method asks for product info and generate a Canvas object with a Code 128 vector drawing barcode generated by Barcode Professional for WPF encoding the product ID and 2 TextBlock objects for drawing the name and price of the specified product.
CreatePage method just creates a new FixedPage object with the US Letter size on demand based on the number of products to be printed.
CreateDocument method generates a FixedDocument (i.e. the multi page doc) creating as many as pages based on the data source i.e. a DataTable containing all product items got from the xml sample file.
Print method just open the xml sample file, get the product info into a DataTable and pass it to the CreateDocument which is then printed out using WPF Printing classes.

A multipage document with a vector barcodes in WPF

VB


Imports System.Printing
Imports System.Windows.Xps
Imports System.Windows.Media
Imports System.Globalization
Imports System.Windows
Imports System.Windows.Controls
Imports System.Windows.Documents
Imports System.Windows.Markup
 
Public Class MultiPageDocBarcode
 
    Const INCH As Double = 96
 
    'US letter size in INCH
    Const PAPER_WIDTH As Double = 11
    Const PAPER_HEIGHT As Double = 8.5
    Const PAPER_MARGIN As Double = 0.5
 
    Const NUM_OF_PROD_PER_SHEET As Double = 10
 
 
    Private Shared Function CreateProductItem(ByVal id As String, ByVal name As String, ByVal price As String) As Canvas
        'Create a product canvas for placing text and barcode of the product
        Dim c As New Canvas()
        c.Width = (PAPER_WIDTH - 2 * PAPER_MARGIN) * INCH
        c.Height = (PAPER_HEIGHT / NUM_OF_PROD_PER_SHEET) * INCH
 
        'create barcode for product id
        Dim bc As New Neodynamic.WPF.BarcodeProfessional()
        bc.BarcodeUnit = Neodynamic.WPF.BarcodeUnit.Inch
        bc.Symbology = Neodynamic.WPF.Symbology.Code128
        bc.Code = id
        bc.BarWidth = 1 / INCH
        bc.BarHeight = 0.5
        bc.QuietZone = New Thickness(0, 0, 0, 0.1)
        bc.FontSize = 12
 
        'create textblocks for product info
        Dim txtProdName As New TextBlock()
        txtProdName.Text = name
        txtProdName.FontSize = 24
        txtProdName.SetValue(Canvas.LeftProperty, 2 * INCH)
 
        Dim txtProdPrice As New TextBlock()
        txtProdPrice.Text = "Retail Price: " + price
        txtProdPrice.FontSize = 20
        txtProdPrice.SetValue(Canvas.LeftProperty, 2 * INCH)
        txtProdPrice.SetValue(Canvas.TopProperty, 0.5 * INCH)
 
        'add elements to the canvas
        c.Children.Add(bc)
        c.Children.Add(txtProdName)
        c.Children.Add(txtProdPrice)
 
        Return c
    End Function
 
 
    Private Shared Function CreatePage() As FixedPage
        'Create new page
        Dim page As New FixedPage()
        'Set background
        page.Background = Brushes.White
        'Set page size (Letter size)
        page.Width = PAPER_WIDTH * INCH
        page.Height = PAPER_HEIGHT * INCH
        Return page
    End Function
 
 
    Private Shared Function CreateDocument(ByVal data As DataTable) As FixedDocument
 
        'Create new document
        Dim doc As New FixedDocument()
        'Set page size
        doc.DocumentPaginator.PageSize = New Size(PAPER_WIDTH * INCH, PAPER_HEIGHT * INCH)
 
        'Number of records
        Dim count As Double = data.Rows.Count
 
        If (count > 0) Then
 
            'Determine number of pages to generate
            Dim pageCount As Double = Math.Ceiling(count / NUM_OF_PROD_PER_SHEET)
 
            Dim dataIndex As Integer = 0
            Dim currentRow As Integer = 0
 
            Dim prodId As String
            Dim prodName As String
            Dim prodPrice As String
            Dim prodCanvas As Canvas
 
            Dim i As Integer = 0
            Dim j As Integer = 0
 
            For i = 0 To i < pageCount
 
                'Create page
                Dim page As New PageContent()
                Dim fixedPage As FixedPage = CreatePage()
                'Create labels
                For j = 0 To j < NUM_OF_PROD_PER_SHEET
 
                    If (j Mod NUM_OF_PROD_PER_SHEET = 0) Then
                        currentRow = 0
                    Else
                        currentRow += 1
                    End If
 
                    If (dataIndex < count) Then
                        'Get data from DataTable
                        prodId = data.Rows(dataIndex)("ProdId").ToString
                        prodName = data.Rows(dataIndex)("ProdName").ToString
                        prodPrice = data.Rows(dataIndex)("ProdPrice").ToString
                        'Create individual product 'label'
                        prodCanvas = CreateProductItem(prodId, prodName, prodPrice)
 
                        'Set product label location
                        fixedPage.SetLeft(prodCanvas, PAPER_MARGIN * INCH)
                        fixedPage.SetTop(prodCanvas, PAPER_MARGIN * INCH + currentRow * prodCanvas.Height)
 
                        'Add label object to page
                        fixedPage.Children.Add(prodCanvas)
 
                        dataIndex += 1
                    End If
                Next
 
                'Invoke Measure(), Arrange() and UpdateLayout() for drawing
                fixedPage.Measure(New Size(PAPER_WIDTH * 96, PAPER_HEIGHT * 96))
                fixedPage.Arrange(New Rect(New Point(), New Size(PAPER_WIDTH * 96, PAPER_HEIGHT * 96)))
                fixedPage.UpdateLayout()
 
                DirectCast(page, IAddChild).AddChild(fixedPage)
 
                doc.Pages.Add(page)
            Next
 
        End If
 
        Return doc
 
    End Function
 
 
    Public Shared Sub Print()
 
        'get data from xml file
        Dim xmlFile As String = "c:\temp\NorthwindProducts.xml"
        Dim ds As New DataSet()
        ds.ReadXml(xmlFile)
 
        'print
        Dim server As New LocalPrintServer()
        Dim queue As PrintQueue = server.DefaultPrintQueue
        Dim ticket As PrintTicket = queue.DefaultPrintTicket
        Dim writer As XpsDocumentWriter = PrintQueue.CreateXpsDocumentWriter(queue)
        writer.Write(CreateDocument(ds.Tables(0)), ticket)
 
    End Sub
 
End Class

C#


using System;
using System.Windows.Media;
using System.Printing;
using System.Windows;
using System.Windows.Xps;
using System.Globalization;
using System.Windows.Controls;
using System.Windows.Documents;
using System.Data;
using System.Windows.Markup;
using System.IO;
using System.Reflection;
 
namespace WPFBarcodePrintConsoleCS
{
    class MultiPageDocBarcode
    {
 
        const double INCH = 96;
 
        //US letter size in INCH
        const double PAPER_WIDTH = 11; 
        const double PAPER_HEIGHT = 8.5;
        const double PAPER_MARGIN = 0.5;
 
        const double NUM_OF_PROD_PER_SHEET = 10;
 
        private static Canvas CreateProductItem(string id, string name, string price)
        {
            //Create a product canvas for placing text and barcode of the product
            Canvas c = new Canvas();
            c.Width = (PAPER_WIDTH - 2 * PAPER_MARGIN) * INCH;
            c.Height = (PAPER_HEIGHT / NUM_OF_PROD_PER_SHEET) * INCH;
 
            //create barcode for product id
            Neodynamic.WPF.BarcodeProfessional bc = new Neodynamic.WPF.BarcodeProfessional();
            bc.BarcodeUnit = Neodynamic.WPF.BarcodeUnit.Inch;
            bc.Symbology = Neodynamic.WPF.Symbology.Code128;
            bc.Code = id;
            bc.BarWidth = 1 / INCH;
            bc.BarHeight = 0.5;
            bc.QuietZone = new Thickness(0, 0, 0, 0.1);
            bc.FontSize = 12;            
 
            //create textblocks for product info
            TextBlock txtProdName = new TextBlock();
            txtProdName.Text = name;
            txtProdName.FontSize = 24;
            txtProdName.SetValue(Canvas.LeftProperty, 2 * INCH);
 
            TextBlock txtProdPrice = new TextBlock();
            txtProdPrice.Text = "Retail Price: " + price;
            txtProdPrice.FontSize = 20;
            txtProdPrice.SetValue(Canvas.LeftProperty, 2 * INCH);
            txtProdPrice.SetValue(Canvas.TopProperty, 0.5 * INCH);
 
            //add elements to the canvas
            c.Children.Add(bc);
            c.Children.Add(txtProdName);
            c.Children.Add(txtProdPrice);
 
            return c;
        }
 
 
        private static FixedPage CreatePage()
        {
            //Create new page
            FixedPage page = new FixedPage();
            //Set background
            page.Background = Brushes.White;
            //Set page size (Letter size)
            page.Width = PAPER_WIDTH * INCH;
            page.Height = PAPER_HEIGHT * INCH;
            return page;
        }
 
 
        private static FixedDocument CreateDocument(DataTable data)
        {
            //Create new document
            FixedDocument doc = new FixedDocument();
            //Set page size
            doc.DocumentPaginator.PageSize = new Size(PAPER_WIDTH * INCH, PAPER_HEIGHT * INCH);
 
            //Number of records
            double count = (double)data.Rows.Count;
 
            if (count > 0)
            {
                //Determine number of pages to generate
                double pageCount = Math.Ceiling(count / NUM_OF_PROD_PER_SHEET);
 
                int dataIndex = 0;
                int currentRow = 0;
 
                string prodId;
                string prodName;
                string prodPrice;
                Canvas prodCanvas;
 
                for (int i = 0; i < pageCount; i++)
                {
                    //Create page
                    PageContent page = new PageContent();
                    FixedPage fixedPage = CreatePage();
                    //Create labels
                    for (int j = 0; j < NUM_OF_PROD_PER_SHEET; j++)
                    {
                        if (j % NUM_OF_PROD_PER_SHEET == 0)
                        {
                            currentRow = 0;
                        }
                        else
                        {
                            currentRow++;
                        }
 
 
                        if (dataIndex < count)
                        {
                            //Get data from DataTable
                            prodId = (string)data.Rows[dataIndex]["ProdId"];
                            prodName = (string)data.Rows[dataIndex]["ProdName"];
                            prodPrice = (string)data.Rows[dataIndex]["ProdPrice"];
                            //Create individual product 'label'
                            prodCanvas = CreateProductItem(prodId, prodName, prodPrice);
 
                            //Set product label location
                            FixedPage.SetLeft(prodCanvas, PAPER_MARGIN * INCH);
                            FixedPage.SetTop(prodCanvas, PAPER_MARGIN * INCH + currentRow * prodCanvas.Height);
 
                            //Add label object to page
                            fixedPage.Children.Add(prodCanvas);
 
                            dataIndex++;
                        }
                    }
 
                    //Invoke Measure(), Arrange() and UpdateLayout() for drawing
                    fixedPage.Measure(new Size(PAPER_WIDTH * 96, PAPER_HEIGHT * 96));
                    fixedPage.Arrange(new Rect(new Point(), new Size(PAPER_WIDTH * 96, PAPER_HEIGHT * 96)));
                    fixedPage.UpdateLayout();
                    
                    ((IAddChild)page).AddChild(fixedPage);
 
                    doc.Pages.Add(page);
                }
            }
 
            return doc;
        }
 
 
        public static void Print()
        {
            //get data from xml file
            string xmlFile = @"c:\temp\NorthwindProducts.xml";
            DataSet ds = new DataSet();
            ds.ReadXml(xmlFile);
            
            //print
            LocalPrintServer server = new LocalPrintServer();
            PrintQueue queue = server.DefaultPrintQueue;
            PrintTicket ticket = queue.DefaultPrintTicket;
            XpsDocumentWriter writer = PrintQueue.CreateXpsDocumentWriter(queue);
            writer.Write(CreateDocument(ds.Tables[0]), ticket);
        }
 
    }
 
}

Finally, open the created Module1.vb OR Program.cs class and paste the following code. This is a simple menu allowing the user to select which printing scenario to process.

VB


Module Module1
 
    Sub Main()
 
        Dim done As Boolean = False
 
        Do
            Console.WriteLine("Neodynamic Barcode Pro for WPF")
            Console.WriteLine("WPF Barcode Printing in Console or Windows Services")
            Console.WriteLine("===================================================\n\n")
            Console.WriteLine("Select one of the following:\n")
            Console.WriteLine("1 -> For printing a single page with a barcode")
            Console.WriteLine("2 -> For printing a multipage doc with barcodes\n")
            Console.Write("Enter Your selection (0 to exit): ")
            Dim userSelect As String = Console.ReadLine()
            Dim iSel As Integer
 
            Try
                iSel = Integer.Parse(userSelect)
            Catch
                Console.Clear()
                Continue Do
            End Try
 
            If iSel = 0 Then
                done = True
            ElseIf iSel = 1 Then
                Console.WriteLine("Printing a single page with a barcode...")
                SinglePageDocBarcode.Print()
            ElseIf iSel = 2 Then
                Console.WriteLine("Printing a multipage doc with barcodes...")
                MultiPageDocBarcode.Print()
            Else
                Console.Clear()
                Continue Do
            End If
 
            Console.WriteLine()
        Loop While Not (done)
 
    End Sub
 
End Module

C#


using System;
 
namespace WPFBarcodePrintConsoleCS
{
    class Program
    {
        [STAThread]
        static void Main(string[] args)
        {
 
            bool done = false;
 
            do
            {
                Console.WriteLine("Neodynamic Barcode Pro for WPF");
                Console.WriteLine("WPF Barcode Printing in Console or Windows Services");
                Console.WriteLine("===================================================\n\n");
                Console.WriteLine("Select one of the following:\n");
                Console.WriteLine("1 -> For printing a single page with a barcode");
                Console.WriteLine("2 -> For printing a multipage doc with barcodes\n");
                Console.Write("Enter Your selection (0 to exit): ");
                string userSelect = Console.ReadLine();
                int iSel;
                try
                {
                    iSel = int.Parse(userSelect);
                }
                catch
                {
                    Console.Clear();
                    continue;
                }
                switch (iSel)
                {
                    case 0:
                        done = true;
                        break;
                    case 1:
                        Console.WriteLine("Printing a single page with a barcode...");
                        SinglePageDocBarcode.Print();
                        break;
                    case 2:
                        Console.WriteLine("Printing a multipage doc with barcodes...");
                        MultiPageDocBarcode.Print();
                        break;    
                    default:
                        Console.Clear();
                        continue;                        
                }
                Console.WriteLine();
            } while (!done);
            
        }
        
    }
}

That's it. Run the project and test it.

Sample Files Download

Here are the VB.NET and C# versions of this sample. Please download the zip file and extract it.

The XML file which must be placed in your machine under c:\temp folder: NorthwindProducts.xml (4 KB)
For Visual Basic.NET: WPFBarcodePrintConsoleVB.zip (274 KB)
For Visual C#.NET: WPFBarcodePrintConsoleCS.zip (241 KB)

Remember to download and install Barcode Professional for WPF in order to reproduce this sample demo.

How to print vector barcodes with WPF in a console app or Windows Service with C# or VB.NET

Requirements

VB

C#

VB

C#

VB

C#

Useful? Share it!

Need help? Contact Support

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EPL Printer Emulator SDK Convert, Preview & Render EPL to Image & PDF

WebClientPrint RAW & File Printing for ASP.NET & PHP

JS Print Manager Printing Solution for Any Web Platform

Buy On-Premise Web APIs for Docker

How to print vector barcodes with WPF in a console app or Windows Service with C# or VB.NET

Requirements

VB

C#

VB

C#

VB

C#

Useful? Share it!

Need help? Contact Support

Barcode Professional
Encoder / Writer / Generator

ThermalLabel
Design & Print Barcode Thermal Labels

ZPL Printer Emulator SDK
Convert, Preview & Render ZPL to Image & PDF

EPL Printer Emulator SDK
Convert, Preview & Render EPL to Image & PDF

JS Print Manager
Printing Solution for Any Web Platform

WebClientPrint
RAW & File Printing for ASP.NET & PHP

Barcode Professional
Encoder / Writer / Generator

ThermalLabel
Design & Print Barcode Thermal Labels

ZPL Printer Emulator SDK
Convert, Preview & Render ZPL to Image & PDF

EPL Printer Emulator SDK
Convert, Preview & Render EPL to Image & PDF

WebClientPrint
RAW & File Printing for ASP.NET & PHP

JS Print Manager
Printing Solution for Any Web Platform

Barcode Professional
Encoder / Writer / Generator

ThermalLabel
Design & Print Barcode Thermal Labels

ZPL Printer Emulator SDK
Convert, Preview & Render ZPL to Image & PDF

WebClientPrint
RAW & File Printing for ASP.NET & PHP

JS Print Manager
Printing Solution for Any Web Platform

Barcode Professional
Encoder / Writer / Generator

ThermalLabel
Design & Print Barcode Thermal Labels

ZPL Printer Emulator SDK
Convert, Preview & Render ZPL to Image & PDF

EPL Printer Emulator SDK
Convert, Preview & Render EPL to Image & PDF

WebClientPrint
RAW & File Printing for ASP.NET & PHP

JS Print Manager
Printing Solution for Any Web Platform