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    Message icon
    IronBarcode Code Example
    Reading Barcodes
    Read Many Data Formats
    • Barcode Quickstart
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    Set Accuracy & Performance
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    using IronBarCode;
    using System.Drawing;
    
    // BarcodeWriter.CreateBarcode creates a GeneratedBarcode which can be styled and exported as an Image object or file
    GeneratedBarcode MyBarCode = BarcodeWriter.CreateBarcode("Any Number, String or Binary Value", BarcodeWriterEncoding.Code128);
    
    // Save the barcode as an image file
    MyBarCode.SaveAsImage("MyBarCode.png");
    MyBarCode.SaveAsGif("MyBarCode.gif");
    MyBarCode.SaveAsHtmlFile("MyBarCode.html");
    MyBarCode.SaveAsJpeg("MyBarCode.jpg");
    MyBarCode.SaveAsPdf("MyBarCode.Pdf");
    MyBarCode.SaveAsPng("MyBarCode.png");
    MyBarCode.SaveAsTiff("MyBarCode.tiff");
    MyBarCode.SaveAsWindowsBitmap("MyBarCode.bmp");
    
    // You may also choose to use Barcode as a native .NET object
    Image MyBarCodeImage = MyBarCode.Image;
    Bitmap MyBarCodeBitmap = MyBarCode.ToBitmap();
    
    // Save the barcode as an HTML file or as a tag
    MyBarCode.SaveAsHtmlFile("MyBarCode.Html");
    string ImgTagForHTML = MyBarCode.ToHtmlTag();
    string DataURL = MyBarCode.ToDataUrl();
    
    // Save the barcode as a new PDF
    MyBarCode.SaveAsPdf("MyBarCode.Pdf");
    
    // Or stamp it in any position on any page of an existing PDF
    MyBarCode.StampToExistingPdfPage("ExistingPDF.pdf", 200, 50, 1);  // Position (200, 50) on page 1
    
    // Or on multiple pages of an encrypted PDF
    MyBarCode.StampToExistingPdfPages("ExistingPDF.pdf", 200, 50, new[] { 1, 2, 3 }, "Password123"); // Multiple pages of an encrypted PDF
    
    // PDF stream example
    using (System.IO.Stream PdfStream = MyBarCode.ToPdfStream())
    {
        // Stream barcode image output also works for GIF, JPEG, PDF, PNG, BMP and TIFF
    }
    
    // PNG byte array example
    byte[] PngBytes = MyBarCode.ToPngBinaryData();
    Imports IronBarCode
    Imports System.Drawing
    
    ' BarcodeWriter.CreateBarcode creates a GeneratedBarcode which can be styled and exported as an Image object or file
    Private MyBarCode As GeneratedBarcode = BarcodeWriter.CreateBarcode("Any Number, String or Binary Value", BarcodeWriterEncoding.Code128)
    
    ' Save the barcode as an image file
    MyBarCode.SaveAsImage("MyBarCode.png")
    MyBarCode.SaveAsGif("MyBarCode.gif")
    MyBarCode.SaveAsHtmlFile("MyBarCode.html")
    MyBarCode.SaveAsJpeg("MyBarCode.jpg")
    MyBarCode.SaveAsPdf("MyBarCode.Pdf")
    MyBarCode.SaveAsPng("MyBarCode.png")
    MyBarCode.SaveAsTiff("MyBarCode.tiff")
    MyBarCode.SaveAsWindowsBitmap("MyBarCode.bmp")
    
    ' You may also choose to use Barcode as a native .NET object
    Dim MyBarCodeImage As Image = MyBarCode.Image
    Dim MyBarCodeBitmap As Bitmap = MyBarCode.ToBitmap()
    
    ' Save the barcode as an HTML file or as a tag
    MyBarCode.SaveAsHtmlFile("MyBarCode.Html")
    Dim ImgTagForHTML As String = MyBarCode.ToHtmlTag()
    Dim DataURL As String = MyBarCode.ToDataUrl()
    
    ' Save the barcode as a new PDF
    MyBarCode.SaveAsPdf("MyBarCode.Pdf")
    
    ' Or stamp it in any position on any page of an existing PDF
    MyBarCode.StampToExistingPdfPage("ExistingPDF.pdf", 200, 50, 1) ' Position (200, 50) on page 1
    
    ' Or on multiple pages of an encrypted PDF
    MyBarCode.StampToExistingPdfPages("ExistingPDF.pdf", 200, 50, { 1, 2, 3 }, "Password123") ' Multiple pages of an encrypted PDF
    
    ' PDF stream example
    Using PdfStream As System.IO.Stream = MyBarCode.ToPdfStream()
    	' Stream barcode image output also works for GIF, JPEG, PDF, PNG, BMP and TIFF
    End Using
    
    ' PNG byte array example
    Dim PngBytes() As Byte = MyBarCode.ToPngBinaryData()
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    1. In Solution Explorer, right-click References, Manage NuGet Packages
    2. Select Browse and search "IronBarCode"
    3. Select the package and install
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    2. In Visual Studio Solution Explorer, right click References. Select Browse, "IronBarCode.dll"
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      - Create, read, and edit PDFs. HTML to PDF for .NET.
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      - Edit DOCX Word Files. No Office Interop required.
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      - OCR (extract text from images) in 127 languages.
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      - Read and write QR & Barcodes.
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      - Read and write QR codes.
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      - Zip and unzip archives.
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      - Print documents in .NET applications.
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      - Scrape structured data from websites.
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    is a part of IRONSUITE

    10 .NET API products for your office documents

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       Start Free Trial 
    • ironpdf_logo
      - Create, read, and edit PDFs. HTML to PDF for .NET.
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      - Edit DOCX Word Files. No Office Interop required.
    • ironxl_logo
      - Edit Excel & CSV files. No Office Interop required.
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      - Create, read, and edit presentations. No Office Interop required.
    • ironocr_logo
      - OCR (extract text from images) in 127 languages.
    • ironbarcode_logo
      - Read and write QR & Barcodes.
    • ironqr_logo
      - Read and write QR codes.
    • ironzip_logo
      - Zip and unzip archives.
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      - Print documents in .NET applications.
    • ironwebscraper_logo
      - Scrape structured data from websites.
    IronBarcode for .NET

    When you need to read, write, and style Barcodes, fast.

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