WPF Barcode Generator in C# | Generate Barcode in .NET WPF App

WPF-Barcode-Generator.md

Learn how to generate and display a barcode image in the .NET WPF application : https://blog.aspose.com/barcode/wpf-barcode-generator-in-csharp/

The following topics are covered in this article:

1. Features of WPF Barcode Generator
2. C# Barcode Generator API
3. Steps to Create WPF Barcode Generator
4. Generate Barcode with Additional Options
5. Demo WPF Barcode Generator
6. Download Source Code

WPF-Barcode-Generator_Barcode.cs

public class Barcode
{
    public string? Text { get; set; }

    public BaseEncodeType? BarcodeType { get; set; }

    public BarCodeImageFormat ImageType { get; set; }
}

WPF-Barcode-Generator_btnGenerate_Click.cs

private void btnGenerate_Click(object sender, RoutedEventArgs e)
{
    // Set default as Png
    var imageType = "Png";

    // Get the user selected image format
    if(rbPng.IsChecked == true)
    {
        imageType = rbPng.Content.ToString();
    }
    else if(rbBmp.IsChecked == true)
    {
        imageType = rbBmp.Content.ToString();
    }
    else if(rbJpg.IsChecked == true)
    {
        imageType = rbJpg.Content.ToString();
    }

    // Get image format from enum
    var imageFormat = (BarCodeImageFormat)Enum.Parse(typeof(BarCodeImageFormat), imageType.ToString());

    // Set default as Code128
    var encodeType = EncodeTypes.Code128;

    // Get the user selected barcode type
    if (!string.IsNullOrEmpty(comboBarcodeType.Text))
    {
        switch (comboBarcodeType.Text)
        {
            case "Code128":
                encodeType = EncodeTypes.Code128;
                break;

            case "ITF14":
                encodeType = EncodeTypes.ITF14;
                break;

            case "EAN13":
                encodeType = EncodeTypes.EAN13;
                break;

            case "Datamatrix":
                encodeType = EncodeTypes.DataMatrix;
                break;

            case "Code32":
                encodeType = EncodeTypes.Code32;
                break;

            case "Code11":
                encodeType = EncodeTypes.Code11;
                break;

            case "PDF417":
                encodeType = EncodeTypes.Pdf417;
                break;

            case "EAN8":
                encodeType = EncodeTypes.EAN8;
                break;

            case "QR":
                encodeType = EncodeTypes.QR;
                break;
        }
    }

    // Initalize barcode object
    Barcode barcode = new Barcode();
    barcode.Text = tbCodeText.Text;
    barcode.BarcodeType = encodeType;
    barcode.ImageType = imageFormat;

    try
    {
        string imagePath = "";

        if (cbGenerateWithOptions.IsChecked == true)
        {
            // Generate barcode with additional options and get the image path
            imagePath = GenerateBarcodeWithOptions(barcode);
        }
        else
        {
            // Generate barcode and get image path
            imagePath = GenerateBarcode(barcode);
        }

        // Display the image
        Uri fileUri = new Uri(Path.GetFullPath(imagePath));
        imgDynamic.Source = new BitmapImage(fileUri);
    }
    catch (Exception ex)
    {
        MessageBox.Show(ex.Message);
    }
}

WPF-Barcode-Generator_Generate.cs

private string GenerateBarcode(Barcode barcode)
{
    // Image path
    string imagePath = comboBarcodeType.Text + "." + barcode.ImageType;

    // Initilize barcode generator
    BarcodeGenerator generator = new BarcodeGenerator(barcode.BarcodeType, barcode.Text);

    // Save the image
    generator.Save(imagePath, barcode.ImageType);

    return imagePath;
}

WPF-Barcode-Generator_GenerateWithOptions.cs

private string GenerateBarcodeWithOptions(Barcode barcode)
{
    // Image path
    string imagePath = comboBarcodeType.Text + "." + barcode.ImageType;

    // Initilize barcode generator
    BarcodeGenerator generator = new BarcodeGenerator(barcode.BarcodeType, barcode.Text);

    if(barcode.BarcodeType == EncodeTypes.QR)
    {
        generator.Parameters.Barcode.XDimension.Pixels = 4;
        //set Auto version
        generator.Parameters.Barcode.QR.QrVersion = QRVersion.Auto;
        //Set Auto QR encode type
        generator.Parameters.Barcode.QR.QrEncodeType = QREncodeType.Auto;
    } 
    else if(barcode.BarcodeType == EncodeTypes.Pdf417)
    {
        generator.Parameters.Barcode.XDimension.Pixels = 2;
        generator.Parameters.Barcode.Pdf417.Columns = 3;
    }
    else if(barcode.BarcodeType == EncodeTypes.DataMatrix)
    {
        //set DataMatrix ECC to 140
        generator.Parameters.Barcode.DataMatrix.DataMatrixEcc = DataMatrixEccType.Ecc200;
    }
    else if(barcode.BarcodeType == EncodeTypes.Code32)
    {
        generator.Parameters.Barcode.XDimension.Millimeters = 1f;
    }
    else
    {
        generator.Parameters.Barcode.XDimension.Pixels = 2;
        //set BarHeight 40
        generator.Parameters.Barcode.BarHeight.Pixels = 40;
    }

    // Save the image
    generator.Save(imagePath, barcode.ImageType);

    return imagePath;
}

WPF-Barcode-Generator_MainWindow.xaml

<Window x:Class="BarcodeGen.MainWindow"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
        xmlns:local="clr-namespace:BarcodeGen"
        mc:Ignorable="d"
        Title="MainWindow" Height="450" Width="800">

    <Grid Width="800" Height="384">
        <Grid.RowDefinitions>
            <RowDefinition Height="191*"/>
            <RowDefinition/>
        </Grid.RowDefinitions>
        <Label Content="Select Barcode Type:" HorizontalAlignment="Left" Margin="10,16,0,0" VerticalAlignment="Top" FontSize="14" FontWeight="Bold"/>
        <ComboBox x:Name="comboBarcodeType" HorizontalAlignment="Left" Margin="10,47,0,305" Width="273" Text="Select Barcode Type" IsReadOnly="True" SelectedIndex="-1" FontSize="14" Height="30">
            <ComboBoxItem Content="Code128"></ComboBoxItem>
            <ComboBoxItem Content="Code11"></ComboBoxItem>
            <ComboBoxItem Content="Code32"></ComboBoxItem>
            <ComboBoxItem Content="QR"></ComboBoxItem>
            <ComboBoxItem Content="DataMatrix"></ComboBoxItem>
            <ComboBoxItem Content="EAN13"></ComboBoxItem>
            <ComboBoxItem Content="EAN8"></ComboBoxItem>
            <ComboBoxItem Content="ITF14"></ComboBoxItem>
            <ComboBoxItem Content="PDF417"></ComboBoxItem>
        </ComboBox>

        <Button Name="btnGenerate" Click="btnGenerate_Click" Content="Generate Barcode" HorizontalAlignment="Left" Margin="10,346,0,0" VerticalAlignment="Top" Height="28" Width="273" FontSize="14" FontWeight="Bold"/>
        <Label Content="Enter Your Text:" HorizontalAlignment="Left" Margin="10,92,0,0" VerticalAlignment="Top" FontSize="14" FontWeight="Bold"/>
        <TextBox Name="tbCodeText" TextWrapping="Wrap" Margin="10,123,517,134" Width="273" Height="125"/>
        <Label Content="Select Image Format:" HorizontalAlignment="Left" Margin="10,253,0,0" VerticalAlignment="Top" FontSize="14" FontWeight="Bold"/>
        <RadioButton Name="rbPng" Content="Png" GroupName="rbImageType" Margin="10,285,739,77" Width="51" Height="20" FontSize="14" IsChecked="True"/>
        <RadioButton Name="rbJpg" Content="Jpeg" GroupName="rbImageType" Margin="121,285,628,77" Width="51" Height="20" FontSize="14"/>
        <RadioButton Name="rbBmp" Content="Bmp" GroupName="rbImageType" Margin="232,285,517,77" Width="51" Height="20" FontSize="14"/>
        <CheckBox Name="cbGenerateWithOptions" Height="20" Margin="10,321,517,41" Content="Generate with Options" />
        <GroupBox Header="View Generated Barcode" Margin="317,0,22,0" FontSize="14" FontWeight="Bold">
            <Image Name="imgDynamic" Margin="6,-6,7,6" Stretch="None"  />
        </GroupBox>
    </Grid>
</Window>