ByteScout Barcode Suite – C# – Wpf barcode control for web with barcode sdk

Home
/
Articles
/
ByteScout Barcode Suite – C# – Wpf barcode control for web with barcode sdk

printable version:
ByteScout-Barcode-Suite-C-sharp-Wpf-barcode-control-for-web-with-barcode-sdk.pdf

wpf barcode control for web with barcode sdk in C# using ByteScout Barcode Suite

Learn wpf barcode control for web with barcode sdk in C#

Writing of the code to wpf barcode control for web with barcode sdk in C# can be done by developers of any level using ByteScout Barcode Suite. ByteScout Barcode Suite was created to assist wpf barcode control for web with barcode sdk in C#. ByteScout Barcode Suite is the bundle that privides 3 SDK products to generate barcodes (Barcode SDK), read barcodes (Barcode Reaer SDK) and read and write spreadsheets (Spreadsheet SDK).

If you want to quickly learn then these fast application programming interfaces of ByteScout Barcode Suite for C# plus the guideline and the C# code below will help you quickly learn wpf barcode control for web with barcode sdk. If you want to implement this functionality, you should copy and paste code below into your app using code editor. Then compile and run your application. C# application implementation mostly involves various stages of the software development so even if the functionality works please check it with your data and the production environment.

On our website you may get trial version of ByteScout Barcode Suite for free. Source code samples are included to help you with your C# application.

On-demand (REST Web API) version:
Web API (on-demand version)

On-premise offline SDK for Windows:
60 Day Free Trial (on-premise)

App.xaml.cs

      using System;
using System.Collections.Generic;
using System.Configuration;
using System.Data;
using System.Linq;
using System.Windows;
using System.Windows.Navigation;

namespace Bytescout.BarCode.WebDemo
{
    /// <summary>
    /// Interaction logic for App.xaml
    /// </summary>
    public partial class App : Application
    {
    }
}

ON-PREMISE OFFLINE SDK

60 Day Free Trial or Visit ByteScout Barcode Suite Home Page

Explore ByteScout Barcode Suite Documentation

Explore Samples

Sign Up for ByteScout Barcode Suite Online Training

ON-DEMAND REST WEB API

Get Your API Key

Explore Web API Docs

Explore Web API Samples

MainPage.xaml.cs

      using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;
using Bytescout.BarCode.WPF;
using Bytescout.BarCode;

namespace Bytescout.BarCode.WebDemo
{
    /// <summary>
    /// Interaction logic for MainPage.xaml
    /// </summary>
    public partial class MainPage : Page
    {
        #region Constants

        private const int BarHeight = 50;
        private const int PdfBarHeight = 6;

        #endregion

        #region Constructor
        /// <summary>
        /// Initializes a new instance of the <see cref="MainWindow"/> class.
        /// </summary>
        public MainPage()
        {
            InitializeComponent();
        }
        #endregion

        #region Controls event handlers
        /// <summary>
        /// Handles the SelectionChanged event of the cmbSymbologyType control.
        /// </summary>
        /// <param name="sender">The source of the event.</param>
        /// <param name="e">The <see cref="System.Windows.Controls.SelectionChangedEventArgs"/> instance containing the event data.</param>
        private void cmbSymbologyType_SelectionChanged(object sender, SelectionChangedEventArgs e)
        {
            UpdateBarcode();
        }

        /// <summary>
        /// Handles the Click event of the btnGenerate control.
        /// </summary>
        /// <param name="sender">The source of the event.</param>
        /// <param name="e">The <see cref="System.Windows.RoutedEventArgs"/> instance containing the event data.</param>
        private void btnGenerate_Click(object sender, RoutedEventArgs e)
        {
            UpdateBarcode();
        }

        /// <summary>
        /// Handles the Click event of the btnSaveToFile control.
        /// </summary>
        /// <param name="sender">The source of the event.</param>
        /// <param name="e">The <see cref="System.Windows.RoutedEventArgs"/> instance containing the event data.</param>
        private void btnSaveToFile_Click(object sender, RoutedEventArgs e)
        {
            SaveToFile();
        }

        /// <summary>
        /// Handles the Checked event of the chkDrawCaptionFor2D control.
        /// </summary>
        /// <param name="sender">The source of the event.</param>
        /// <param name="e">The <see cref="System.Windows.RoutedEventArgs"/> instance containing the event data.</param>
        private void chkDrawCaptionFor2D_Checked(object sender, RoutedEventArgs e)
        {
            ctrlBarcodeControl.DrawCaptionFor2DBarcodes = chkDrawCaptionFor2D.IsChecked.Value;
        }

        /// <summary>
        /// Handles the Checked event of the chkAutoFitToContainer control.
        /// </summary>
        /// <param name="sender">The source of the event.</param>
        /// <param name="e">The <see cref="System.Windows.RoutedEventArgs"/> instance containing the event data.</param>
        private void chkAutoFitToContainer_Checked(object sender, RoutedEventArgs e)
        {
            ctrlBarcodeControl.AutoFitToControlSize = chkAutoFitToContainer.IsChecked.Value;
        }

        /// <summary>
        /// Handles the Checked event of the chkCutUnusedSpace control.
        /// </summary>
        /// <param name="sender">The source of the event.</param>
        /// <param name="e">The <see cref="System.Windows.RoutedEventArgs"/> instance containing the event data.</param>
        private void chkCutUnusedSpace_Checked(object sender, RoutedEventArgs e)
        {

        }

        /// <summary>
        /// Handles the TextChanged event of the txtValueToEncode control.
        /// </summary>
        /// <param name="sender">The source of the event.</param>
        /// <param name="e">The <see cref="System.Windows.Controls.TextChangedEventArgs"/> instance containing the event data.</param>
        private void txtValueToEncode_TextChanged(object sender, TextChangedEventArgs e)
        {
            UpdateBarcode();
        }

        /// <summary>
        /// Handles the TextChanged event of the txtSupplementalValue control.
        /// </summary>
        /// <param name="sender">The source of the event.</param>
        /// <param name="e">The <see cref="System.Windows.Controls.TextChangedEventArgs"/> instance containing the event data.</param>
        private void txtSupplementalValue_TextChanged(object sender, TextChangedEventArgs e)
        {
            UpdateBarcode();
        }
        #endregion

        #region Private implementation

        public object[] GetObjectsFromEnum()
        {
            object[] objArray = new object[Enum.GetValues(typeof(SymbologyType)).Length];
            for (int i = 0; i < objArray.Length; i++)
            {
                objArray[i] = ((SymbologyType)Enum.GetValues(typeof(SymbologyType)).GetValue(i)).ToString();
            }
            return objArray;
        }

        private void UpdateBarcode()
        {
            SymbologyType symbology = (SymbologyType)Enum.GetValues(typeof(SymbologyType)).GetValue(this.cboSymbologyType.SelectedIndex);
            txtSymbologyDescription.Text = ctrlBarcodeControl.GetValueRestrictions(symbology);

            try
            {
                if (symbology == SymbologyType.EAN13 || symbology == SymbologyType.ISBN || symbology == SymbologyType.UPCA)
                {
                    txtSupplementalValue.IsEnabled = true;
                    lblSupplementalValue.IsEnabled = true;
                    txtSymbologyDescription.Text += " " + ctrlBarcodeControl.GetSupplementaryValueRestrictions();
                }
                else
                {
                    txtSupplementalValue.IsEnabled = false;
                    lblSupplementalValue.IsEnabled = false;
                }

                lblErrorMessage.Content = "";
                ctrlBarcodeControl.RegistrationKey = "XXXXXXXXXXXXXXXXXXx";
                ctrlBarcodeControl.RegistrationName = "YYYYYYYYYYYYYYYYYYYY";
                ctrlBarcodeControl.Symbology = symbology;
                ctrlBarcodeControl.SupplementValue = txtSupplementalValue.Text;
                ctrlBarcodeControl.Value = txtValueToEncode.Text;
                ctrlBarcodeControl.DrawCaptionFor2DBarcodes = chkDrawCaptionFor2D.IsChecked.Value;
                ctrlBarcodeControl.AutoFitToControlSize = chkAutoFitToContainer.IsChecked.Value;
                ctrlBarcodeControl.Caption = "";

                if (symbology == SymbologyType.PDF417 || symbology == SymbologyType.PDF417Truncated ||
                    symbology == SymbologyType.MacroPDF417 || symbology == SymbologyType.DataMatrix ||
                    symbology == SymbologyType.GS1_DataMatrix)
                {
                    ctrlBarcodeControl.BarHeight = PdfBarHeight;
                }
                else if (symbology == SymbologyType.MicroPDF417)
                {
                    ctrlBarcodeControl.BarHeight = PdfBarHeight / 2;
                }
                else
                {
                    ctrlBarcodeControl.BarHeight = BarHeight;
                }
            }
            catch (Exception)
            {
                lblErrorMessage.Content = "Value is invalid for current symbology. Please review value restrictions above.";
            }
        }

        private void SaveToFile()
        {
            Microsoft.Win32.SaveFileDialog dlg = new Microsoft.Win32.SaveFileDialog();
            dlg.Filter = "PNG Image|*.png|TIFF Image|*.tif;*.tiff|JPEG image|*.jpg;*.jpeg|Bitmap Image|*.bmp|GIF Image|*.gif";
            dlg.ValidateNames = true;
            dlg.FilterIndex = 1;
            dlg.OverwritePrompt = true;
            dlg.CheckPathExists = true;
            dlg.AddExtension = true;

            bool? result = dlg.ShowDialog(Application.Current.MainWindow);
            if (result.HasValue && result.Value)
            {
                try
                {
                    if (System.IO.Path.GetExtension(dlg.FileName).ToLowerInvariant() == ".emf")
                        throw new BarcodeException("Saving as EMF is disabled.\nYou should buy Barcode SDK for this.");

                    if (chkCutUnusedSpace.IsChecked.Value)
                    {
                        bool cut = ctrlBarcodeControl.CutUnusedSpace;
                        ctrlBarcodeControl.CutUnusedSpace = true;
                        ctrlBarcodeControl.SaveImage(dlg.FileName);
                        ctrlBarcodeControl.CutUnusedSpace = cut;
                    }
                    else
                    {
                        ctrlBarcodeControl.SaveImage(dlg.FileName);
                    }

                }
                catch (System.Exception e)
                {
                    MessageBox.Show(e.Message);
                }
            }
        }

        #endregion

        #region Main window event handlers
        private void Page_Loaded(object sender, RoutedEventArgs e)
        {
            foreach (object o in GetObjectsFromEnum())
            {
                this.cboSymbologyType.Items.Add(o);
            }
            this.cboSymbologyType.SelectedIndex = 0;
        }
        #endregion
    }
}