Skip to main content

DevExpress v24.2 Update — Your Feedback Matters

Our What's New in v24.2 webpage includes product-specific surveys. Your response to our survey questions will help us measure product satisfaction for features released in this major update and help us refine our plans for our next major release.

Take the survey Not interested

QR Code

  • 2 minutes to read

#Short Description

A QR Code (QR is the abbreviation for Quick Response) is a two-dimensional code, readable by QR scanners, mobile phones with a camera, and smartphones. QR Code can encode textual, numeric and binary data.

BarCode-QRCode

#Example

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

static void Main(string[] args)
{
    // Create a QR code.
    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;

    // Save the barcode as an image.
    barCode.Save("BarCodeImage.png", DXImageFormat.Png);
    // Open the image in the default viewer.
    Process.Start(new ProcessStartInfo("BarCodeImage.png") { UseShellExecute = true });
}
See Also