How to Read Barcodes From Streams in C#

// Import necessary namespaces
using System;
using System.IO;
using IronBarCode;  // Import the Iron Barcode library
using IronSoftware.Drawing;  // Import the drawing library for handling images and PDFs

class BarcodeReaderExample
{
    static void Main()
    {
        // Assuming image files are already available and converted into memory streams
        MemoryStream imageStream = new MemoryStream();
        // Load your image file as a stream (replace "imageFilePath" with the path to your file)
        using (FileStream file = new FileStream("imageFilePath", FileMode.Open, FileAccess.Read))
        {
            file.CopyTo(imageStream);
        }

        // Reset the stream position to start reading from the beginning
        imageStream.Position = 0;

        // Decode barcode from the image stream
        var barcodes = BarcodeReader.Read(imageStream);

        // Loop through each decoded barcode and display the information
        foreach (var barcode in barcodes)
        {
            Console.WriteLine($"Type: {barcode.BarcodeType}, Value: {barcode.Text}");
        }

        // Repeat similar steps for PDFs
        MemoryStream pdfStream = new MemoryStream();
        // Load your PDF file as a stream (replace "pdfFilePath" with the path to your file)
        using (FileStream pdfFile = new FileStream("pdfFilePath", FileMode.Open, FileAccess.Read))
        {
            pdfFile.CopyTo(pdfStream);
        }

        // Reset the stream for reading
        pdfStream.Position = 0;

        // Decode barcode from the PDF stream
        var pdfBarcodes = BarcodeReader.ReadPdf(pdfStream);

        // Loop through each decoded barcode from the PDF and display the information
        foreach (var barcode in pdfBarcodes)
        {
            Console.WriteLine($"Type: {barcode.BarcodeType}, Value: {barcode.Text}");
        }
    }
}

' Import necessary namespaces
Imports System
Imports System.IO
Imports IronBarCode ' Import the Iron Barcode library
Imports IronSoftware.Drawing ' Import the drawing library for handling images and PDFs

Friend Class BarcodeReaderExample
	Shared Sub Main()
		' Assuming image files are already available and converted into memory streams
		Dim imageStream As New MemoryStream()
		' Load your image file as a stream (replace "imageFilePath" with the path to your file)
		Using file As New FileStream("imageFilePath", FileMode.Open, FileAccess.Read)
			file.CopyTo(imageStream)
		End Using

		' Reset the stream position to start reading from the beginning
		imageStream.Position = 0

		' Decode barcode from the image stream
		Dim barcodes = BarcodeReader.Read(imageStream)

		' Loop through each decoded barcode and display the information
		For Each barcode In barcodes
			Console.WriteLine($"Type: {barcode.BarcodeType}, Value: {barcode.Text}")
		Next barcode

		' Repeat similar steps for PDFs
		Dim pdfStream As New MemoryStream()
		' Load your PDF file as a stream (replace "pdfFilePath" with the path to your file)
		Using pdfFile As New FileStream("pdfFilePath", FileMode.Open, FileAccess.Read)
			pdfFile.CopyTo(pdfStream)
		End Using

		' Reset the stream for reading
		pdfStream.Position = 0

		' Decode barcode from the PDF stream
		Dim pdfBarcodes = BarcodeReader.ReadPdf(pdfStream)

		' Loop through each decoded barcode from the PDF and display the information
		For Each barcode In pdfBarcodes
			Console.WriteLine($"Type: {barcode.BarcodeType}, Value: {barcode.Text}")
		Next barcode
	End Sub
End Class