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();