QRCodeOptions Class

Contains options specific to the QR symbology.

Namespace: DevExpress.BarCodes

Assembly: DevExpress.Docs.v26.1.dll

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

Note

This documentation describes the legacy Barcode Generation API. For new projects, use the DevExpress.Docs.Barcode.BarcodeGenerator class in the DevExpress.Docs.Barcode namespace. To upgrade an existing project to the updated scheduler control, refer to the Migration Guide.

Access the QRCodeOptions object using the BarCodeOptions.QRCode property.

The following code snippet 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.BackColor = Color.White;
    barCode.ForeColor = Color.Black;
    barCode.RotationAngle = 0;
    barCode.CodeBinaryData = Encoding.Default.GetBytes("https://www.devexpress.com/");
    barCode.Options.QRCode.CompactionMode = QRCodeCompactionMode.Byte;
    barCode.Options.QRCode.ErrorLevel = QRCodeErrorLevel.Q;
    barCode.Options.QRCode.ShowCodeText = true;
    barCode.DpiX = 72;
    barCode.DpiY = 72;
    barCode.Module = 2f;

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

VB.NET

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.BackColor = Color.White
    barCode.ForeColor = Color.Black
    barCode.RotationAngle = 0
    barCode.CodeBinaryData = Encoding.Default.GetBytes("https://www.devexpress.com/")
    barCode.Options.QRCode.CompactionMode = QRCodeCompactionMode.Byte
    barCode.Options.QRCode.ErrorLevel = QRCodeErrorLevel.Q
    barCode.Options.QRCode.ShowCodeText = True
    barCode.DpiX = 72
    barCode.DpiY = 72
    barCode.Module = 2F

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

Inheritance

Object

BarCodeGeneratorOptions

QRCodeOptions

QRCodeEPCOptions

QRCodeGS1Options