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BarCode Class

Represents a bar code for given data with the specified options.

Namespace: DevExpress.BarCodes

Assembly: DevExpress.Docs.v23.2.dll

NuGet Package: DevExpress.Document.Processor


public class BarCode :


Use BarCode.CodeText or BarCode.CodeBinaryData properties to set the data to be represented by a bar code.

Specify the BarCode.Symbology property to define the bar code type. Note that each symbology has its own restrictions for the encoded data.

Symbology specifics are available by the BarCode‘s BarCode.Options property.

The BarCode.BarCodeImage property gets an image that is the bar code.

You can use the BarCode.Print, BarCode.PrintDialog or the BarCode.ShowPrintPreview methods to print the bar code.

The BarCode.ExportToPdf method enables you to print a bar code to PDF.

The code sample below creates a QR code and displays it in a PictureBox.

using System;
using System.Text;
using DevExpress.BarCodes;
using DevExpress.Drawing;
using DevExpress.Drawing.Extensions;

private void button1_Click(object sender, EventArgs e)
    this.pictureBox1.Image = null;

    BarCode barCode = new BarCode();
    barCode.Symbology = Symbology.QRCode;
    barCode.CodeText = "";
    barCode.BackColor = Color.White;
    barCode.ForeColor = Color.Black;
    barCode.RotationAngle = 0;
    barCode.CodeBinaryData = Encoding.Default.GetBytes(barCode.CodeText);
    barCode.Options.QRCode.CompactionMode = QRCodeCompactionMode.Byte;
    barCode.Options.QRCode.ErrorLevel = QRCodeErrorLevel.Q;
    barCode.Options.QRCode.ShowCodeText = false;
    barCode.DpiX = 72;
    barCode.DpiY = 72;
    barCode.Module = 2f;

    this.pictureBox1.Image = barCode.BarCodeImage.ConvertToGdiPlusImage();


See Also