ByteScout Barcode Suite – C# – Parallel barcode decoding with barcode reader sdk

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ByteScout Barcode Suite – C# – Parallel barcode decoding with barcode reader sdk

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ByteScout-Barcode-Suite-C-sharp-Parallel-barcode-decoding-with-barcode-reader-sdk.pdf

parallel barcode decoding with barcode reader sdk in C# using ByteScout Barcode Suite

parallel barcode decoding with barcode reader sdk in C#

This page explains the steps and algorithm of implementing parallel barcode decoding with barcode reader sdk and how to make it work in your application. ByteScout Barcode Suite was made to help with parallel barcode decoding with barcode reader sdk in C#. ByteScout Barcode Suite is the set that includes three different SDK products to generate barcodes, read barcodes and read and write spreadsheets: Barcode SDK, Barcode Reader SDK and Spreadsheet SDK.

C# code snippet like this for ByteScout Barcode Suite works best when you need to quickly implement parallel barcode decoding with barcode reader sdk in your C# application. Follow the steps-by-step instructions from the scratch to work and copy and paste code for C# into your editor. Updated and detailed documentation and tutorials are available along with installed ByteScout Barcode Suite if you’d like to learn more about the topic and the details of the API.

Trial version along with the source code samples for C# can be downloaded from our website

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Program.cs

      using System;
using System.IO;
using System.Threading;
using Bytescout.BarCodeReader;

namespace ParallelDecoding
{
    class Program
    {
        const string InputFile = @".\example.pdf";

        // Limit to 4 threads in queue.
        // Set this value to number of your processor cores for max performance.
        private static readonly Semaphore ThreadLimiter = new Semaphore(4, 4);


        static void Main()
        {
            const int numberOfRuns = 10;
            ManualResetEvent[] doneEvents = new ManualResetEvent[numberOfRuns];


            for (int i = 0; i < numberOfRuns; i++)
            {
                // Wait for the queue
                ThreadLimiter.WaitOne();

                doneEvents[i] = new ManualResetEvent(false);

                ThreadPool.QueueUserWorkItem(new WaitCallback(delegate(object state)
                {
                    int threadIndex = (int) state;

                    Console.WriteLine("Thread #" + threadIndex + " started...");

                    try
                    {
                        Reader reader = new Reader();
                        reader.RegistrationName = "demo";
                        reader.RegistrationKey = "demo";

                        // Set barcode type to find
                        reader.BarcodeTypesToFind.Code128 = true;

                        /* -----------------------------------------------------------------------
                        NOTE: We can read barcodes from specific page to increase performance.
                        For sample please refer to "Decoding barcodes from PDF by pages" program.
                        ----------------------------------------------------------------------- */

                        // Read barcodes
                        FoundBarcode[] barcodes = reader.ReadFrom(InputFile);
						
                        Console.WriteLine("Thread #" + threadIndex + " finished with " + barcodes.Length + " barcodes found.");

						// Cleanup
						reader.Dispose();
					}
                    catch (Exception exception)
                    {
                        Console.WriteLine("Thread #" + threadIndex + " failed with exception:\r\n" + exception.Message);
                    }
                    finally
                    {
                        // Signal the thread is finished
                        doneEvents[threadIndex].Set();

                        // Release semaphore
                        ThreadLimiter.Release();
                    }
                }), i);
            }

            WaitHandle.WaitAll(doneEvents);

            Console.WriteLine("All threads done.");
            Console.WriteLine();

            Console.WriteLine("Press any key to exit...");
            Console.ReadKey();
        }
    }
}