// NuGet: dotnet add package Cloudmersive.APIClient.NET.Barcode
using Cloudmersive.APIClient.NET.Barcode.Api;
using Cloudmersive.APIClient.NET.Barcode.Client;

Configuration.Default.ApiKey.Add("Apikey", "YOUR-CLOUDMERSIVE-API-KEY");
var apiInstance = new GenerateBarcodeApi();

// Each call issues an HTTPS request to Cloudmersive's servers
byte[] result = apiInstance.GenerateBarcodeQRCode("https://example.com");

// NuGet: dotnet add package Cloudmersive.APIClient.NET.Barcode
using Cloudmersive.APIClient.NET.Barcode.Api;
using Cloudmersive.APIClient.NET.Barcode.Client;

Configuration.Default.ApiKey.Add("Apikey", "YOUR-CLOUDMERSIVE-API-KEY");
var apiInstance = new GenerateBarcodeApi();

// Each call issues an HTTPS request to Cloudmersive's servers
byte[] result = apiInstance.GenerateBarcodeQRCode("https://example.com");

using Cloudmersive.APIClient.NET.Barcode.Api;
using Cloudmersive.APIClient.NET.Barcode.Client;
using System;
using System.Threading;
using System.Threading.Tasks;

public class CloudmersiveBarcodeService
{
    private readonly BarcodeScanApi _scanApi;
    private static int _requestCount = 0;

    public CloudmersiveBarcodeService()
    {
        Configuration.Default.ApiKey.Add("Apikey", "YOUR-CLOUDMERSIVE-API-KEY");
        _scanApi = new BarcodeScanApi();
    }

    public async Task<string> ScanWithRetry(byte[] imageBytes, int maxRetries = 3)
    {
        for (int attempt = 1; attempt <= maxRetries; attempt++)
        {
            try
            {
                Interlocked.Increment(ref _requestCount);

                using var stream = new System.IO.MemoryStream(imageBytes);
                var result = await _scanApi.BarcodeScanImageAsync(stream);

                if (result.Successful == true)
                    return result.RawText;

                throw new InvalidOperationException("Scan unsuccessful");
            }
            catch (ApiException ex) when (ex.ErrorCode == 429)
            {
                if (attempt < maxRetries)
                    await Task.Delay(TimeSpan.FromSeconds(Math.Pow(2, attempt)));
                else
                    throw;
            }
            catch (Exception) when (attempt < maxRetries)
            {
                await Task.Delay(TimeSpan.FromMilliseconds(500 * attempt));
            }
        }
        throw new InvalidOperationException("All retry attempts failed");
    }
}

using Cloudmersive.APIClient.NET.Barcode.Api;
using Cloudmersive.APIClient.NET.Barcode.Client;
using System;
using System.Threading;
using System.Threading.Tasks;

public class CloudmersiveBarcodeService
{
    private readonly BarcodeScanApi _scanApi;
    private static int _requestCount = 0;

    public CloudmersiveBarcodeService()
    {
        Configuration.Default.ApiKey.Add("Apikey", "YOUR-CLOUDMERSIVE-API-KEY");
        _scanApi = new BarcodeScanApi();
    }

    public async Task<string> ScanWithRetry(byte[] imageBytes, int maxRetries = 3)
    {
        for (int attempt = 1; attempt <= maxRetries; attempt++)
        {
            try
            {
                Interlocked.Increment(ref _requestCount);

                using var stream = new System.IO.MemoryStream(imageBytes);
                var result = await _scanApi.BarcodeScanImageAsync(stream);

                if (result.Successful == true)
                    return result.RawText;

                throw new InvalidOperationException("Scan unsuccessful");
            }
            catch (ApiException ex) when (ex.ErrorCode == 429)
            {
                if (attempt < maxRetries)
                    await Task.Delay(TimeSpan.FromSeconds(Math.Pow(2, attempt)));
                else
                    throw;
            }
            catch (Exception) when (attempt < maxRetries)
            {
                await Task.Delay(TimeSpan.FromMilliseconds(500 * attempt));
            }
        }
        throw new InvalidOperationException("All retry attempts failed");
    }
}

// NuGet: dotnet add package IronBarcode
using IronBarCode;

IronBarCode.License.LicenseKey = "YOUR-LICENSE-KEY";

// Generate locally
BarcodeWriter.CreateBarcode("https://example.com", BarcodeEncoding.QRCode)
    .SaveAsPng("qr.png");

// Read locally
var result = BarcodeReader.Read("barcode.png").First();
Console.WriteLine(result.Value);

// NuGet: dotnet add package IronBarcode
using IronBarCode;

IronBarCode.License.LicenseKey = "YOUR-LICENSE-KEY";

// Generate locally
BarcodeWriter.CreateBarcode("https://example.com", BarcodeEncoding.QRCode)
    .SaveAsPng("qr.png");

// Read locally
var result = BarcodeReader.Read("barcode.png").First();
Console.WriteLine(result.Value);

// NuGet: dotnet add package IronBarcode
using IronBarCode;

IronBarCode.License.LicenseKey = "YOUR-LICENSE-KEY";

// QR code generation
QRCodeWriter.CreateQrCode("https://example.com", 500)
    .SaveAsPng("qr.png");

// QR code with brand logo
QRCodeWriter.CreateQrCode("https://example.com", 500)
    .AddBrandLogo("logo.png")
    .SaveAsPng("branded-qr.png");

// Code128 generation
BarcodeWriter.CreateBarcode("SHIP-2024031500428", BarcodeEncoding.Code128)
    .SaveAsPng("barcode.png");

// Get bytes for embedding in document or API response
byte[] bytes = BarcodeWriter.CreateBarcode("data", BarcodeEncoding.Code128)
    .ToPngBinaryData();

// Read from image
var results = BarcodeReader.Read("barcode.png");
foreach (var r in results)
{
    Console.WriteLine($"{r.Format}: {r.Value}");
}

// Read from PDF — native, no image extraction step
var pdfResults = BarcodeReader.Read("invoices.pdf");
foreach (var r in pdfResults)
{
    Console.WriteLine($"Page {r.PageNumber}: {r.Value}");
}

// Multi-barcode detection
var options = new BarcodeReaderOptions
{
    Speed = ReadingSpeed.Balanced,
    ExpectMultipleBarcodes = true,
};
var multiResults = BarcodeReader.Read("manifest.png", options);

// NuGet: dotnet add package IronBarcode
using IronBarCode;

IronBarCode.License.LicenseKey = "YOUR-LICENSE-KEY";

// QR code generation
QRCodeWriter.CreateQrCode("https://example.com", 500)
    .SaveAsPng("qr.png");

// QR code with brand logo
QRCodeWriter.CreateQrCode("https://example.com", 500)
    .AddBrandLogo("logo.png")
    .SaveAsPng("branded-qr.png");

// Code128 generation
BarcodeWriter.CreateBarcode("SHIP-2024031500428", BarcodeEncoding.Code128)
    .SaveAsPng("barcode.png");

// Get bytes for embedding in document or API response
byte[] bytes = BarcodeWriter.CreateBarcode("data", BarcodeEncoding.Code128)
    .ToPngBinaryData();

// Read from image
var results = BarcodeReader.Read("barcode.png");
foreach (var r in results)
{
    Console.WriteLine($"{r.Format}: {r.Value}");
}

// Read from PDF — native, no image extraction step
var pdfResults = BarcodeReader.Read("invoices.pdf");
foreach (var r in pdfResults)
{
    Console.WriteLine($"Page {r.PageNumber}: {r.Value}");
}

// Multi-barcode detection
var options = new BarcodeReaderOptions
{
    Speed = ReadingSpeed.Balanced,
    ExpectMultipleBarcodes = true,
};
var multiResults = BarcodeReader.Read("manifest.png", options);

using IronBarCode;

IronBarCode.License.LicenseKey = "YOUR-LICENSE-KEY";

var options = new BarcodeReaderOptions
{
    Speed = ReadingSpeed.Balanced,
    ExpectMultipleBarcodes = true,
};

string[] invoicePaths = Directory.GetFiles("invoices", "*.pdf");

foreach (var invoicePath in invoicePaths)
{
    // One call per invoice processes all pages and all barcodes
    var barcodes = BarcodeReader.Read(invoicePath, options);

    foreach (var barcode in barcodes)
    {
        Console.WriteLine($"Invoice: {invoicePath} | Page: {barcode.PageNumber} | {barcode.Format}: {barcode.Value}");
    }
}

using IronBarCode;

IronBarCode.License.LicenseKey = "YOUR-LICENSE-KEY";

var options = new BarcodeReaderOptions
{
    Speed = ReadingSpeed.Balanced,
    ExpectMultipleBarcodes = true,
};

string[] invoicePaths = Directory.GetFiles("invoices", "*.pdf");

foreach (var invoicePath in invoicePaths)
{
    // One call per invoice processes all pages and all barcodes
    var barcodes = BarcodeReader.Read(invoicePath, options);

    foreach (var barcode in barcodes)
    {
        Console.WriteLine($"Invoice: {invoicePath} | Page: {barcode.PageNumber} | {barcode.Format}: {barcode.Value}");
    }
}