QRCodeOptions Class

Contains options specific to the QR symbology.

Namespace: DevExpress.BarCodes

Assembly: DevExpress.Docs.v23.2.dll

NuGet Package: DevExpress.Document.Processor

Declaration

C#

public class QRCodeOptions :
    BarCodeGeneratorOptions

VB.NET

Public Class QRCodeOptions
    Inherits BarCodeGeneratorOptions

Related API Members

The following members return QRCodeOptions objects:

• BarCodeOptions.QRCode

Remarks

Access the QRCodeOptions object using the BarCodeOptions.QRCode property.

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

C#

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 = "https://www.devexpress.com/";
    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();
}

VB.NET

Option Infer On

Imports System
Imports System.Text
Imports DevExpress.BarCodes
Imports DevExpress.Drawing
Imports DevExpress.Drawing.Extensions
'...

Private Sub button1_Click(ByVal sender As Object, ByVal e As EventArgs)
    Me.pictureBox1.Image = Nothing

    Dim barCode As New BarCode()
    barCode.Symbology = Symbology.QRCode
    barCode.CodeText = "https://www.devexpress.com/"
    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

    Me.pictureBox1.Image = barCode.BarCodeImage.ConvertToGdiPlusImage()
End Sub

Inheritance

Object

BarCodeGeneratorOptions

QRCodeOptions

QRCodeEPCOptions

QRCodeGS1Options