How to read Barcodes from Streams

using IronBarCode;
using System;
using System.Collections.Generic;
using System.IO;

class BarcodeFromImageStream
{
    static void Main(string[] args)
    {
        // Create a list of MemoryStreams to store image streams
        List<MemoryStream> imageStreams = new List<MemoryStream>
        {
            // Example of adding an existing MemoryStream object to the list
            new MemoryStream(File.ReadAllBytes("example1.png")),
            new MemoryStream(File.ReadAllBytes("example2.png"))
        };

// Import necessary namespaces
using IronBarCode;
using IronSoftware.Drawing;
using System;
using System.Collections.Generic;
using System.IO;

// Create a new list to hold images loaded as MemoryStreams
List<MemoryStream> list = new List<MemoryStream>();

try
{
    // Load images from files and add their streams to the list
    list.Add(AnyBitmap.FromFile("image1.jpg").ToStream());
    list.Add(AnyBitmap.FromFile("image2.jpg").ToStream());
    list.Add(AnyBitmap.FromFile("image3.png").ToStream());
}
catch (FileNotFoundException ex)
{
    Console.WriteLine($"An error occurred while loading image files: {ex.Message}");
    return;
}

try
{
    // Use IronBarCode to read barcodes from the list of image streams
    var myBarcodes = BarcodeReader.Read(list);

    // Iterate through each detected barcode and output its information
    foreach (var barcode in myBarcodes)
    {
        // Print the barcode details to the console
        Console.WriteLine(barcode.ToString());
    }
}
catch (Exception ex)
{
    Console.WriteLine($"An error occurred while reading barcodes: {ex.Message}");
}
finally
{
    // It's good practice to ensure resources are properly disposed
    foreach (var stream in list)
    {
        stream.Dispose();
    }
}

Imports IronBarCode

Imports System

Imports System.Collections.Generic

Imports System.IO



Friend Class BarcodeFromImageStream

	Shared Sub Main(ByVal args() As String)

		' Create a list of MemoryStreams to store image streams

		Dim imageStreams As New List(Of MemoryStream) From {

			New MemoryStream(File.ReadAllBytes("example1.png")),

			New MemoryStream(File.ReadAllBytes("example2.png"))

		}



' Import necessary namespaces

Dim IronBarCode As using

Using IronSoftware.Drawing

	Dim System As using

	Using System.Collections.Generic

		Using System.IO

			

			' Create a new list to hold images loaded as MemoryStreams

			Dim list As New List(Of MemoryStream)()

			

			Try

				' Load images from files and add their streams to the list

				list.Add(AnyBitmap.FromFile("image1.jpg").ToStream())

				list.Add(AnyBitmap.FromFile("image2.jpg").ToStream())

				list.Add(AnyBitmap.FromFile("image3.png").ToStream())

			Catch ex As FileNotFoundException

				Console.WriteLine($"An error occurred while loading image files: {ex.Message}")

				Return

			End Try

			

			Try

				' Use IronBarCode to read barcodes from the list of image streams

				Dim myBarcodes = BarcodeReader.Read(list)

			

				' Iterate through each detected barcode and output its information

				For Each barcode In myBarcodes

					' Print the barcode details to the console

					Console.WriteLine(barcode.ToString())

				Next barcode

			Catch ex As Exception

				Console.WriteLine($"An error occurred while reading barcodes: {ex.Message}")

			Finally

				' It's good practice to ensure resources are properly disposed

				For Each stream In list

					stream.Dispose()

				Next stream

			End Try

		End Using

	End Using

End Using

using IronBarCode;
using IronPdf;
using System;
using System.IO;

// Make sure the file path is set correctly to the location of your PDF file.
string filePath = @"file_path.pdf";

// Check if the file exists at the given path, if not, display an error message and exit.
if (!File.Exists(filePath))
{
    Console.WriteLine("The specified file does not exist.");
    return;
}

// Load the PDF document into a MemoryStream
// 'PdfDocument.FromFile' loads a PDF into the IronPdf API, and 'Stream' accesses its MemoryStream.
MemoryStream document = PdfDocument.FromFile(filePath).Stream;

// Read barcodes from the PDF document using IronBarCode
// 'BarcodeReader.ReadPdf' function reads all the barcodes in the provided PDF stream.
var barcodes = BarcodeReader.ReadPdf(document);

// Check if any barcodes were found in the document
if (barcodes.Count == 0)
{
    Console.WriteLine("No barcodes found in the document.");
}
else
{
    // Iterate through each barcode found in the document
    foreach (var barcode in barcodes)
    {
        // Output the textual value of each barcode to the console.
        Console.WriteLine(barcode.ToString());
    }
}

Imports IronBarCode

Imports IronPdf

Imports System

Imports System.IO



' Make sure the file path is set correctly to the location of your PDF file.

Private filePath As String = "file_path.pdf"



' Check if the file exists at the given path, if not, display an error message and exit.

If Not File.Exists(filePath) Then

	Console.WriteLine("The specified file does not exist.")

	Return

End If



' Load the PDF document into a MemoryStream

' 'PdfDocument.FromFile' loads a PDF into the IronPdf API, and 'Stream' accesses its MemoryStream.

Dim document As MemoryStream = PdfDocument.FromFile(filePath).Stream



' Read barcodes from the PDF document using IronBarCode

' 'BarcodeReader.ReadPdf' function reads all the barcodes in the provided PDF stream.

Dim barcodes = BarcodeReader.ReadPdf(document)



' Check if any barcodes were found in the document

If barcodes.Count = 0 Then

	Console.WriteLine("No barcodes found in the document.")

Else

	' Iterate through each barcode found in the document

	For Each barcode In barcodes

		' Output the textual value of each barcode to the console.

		Console.WriteLine(barcode.ToString())

	Next barcode

End If