ByteScout QR Code SDK – C# – Create Colored QR Code

Home
/
Articles
/
ByteScout QR Code SDK – C# – Create Colored QR Code

printable version:
ByteScout-QR-Code-C-sharp-Create-Colored-QR-Code.pdf

How to create colored QR code in C# with ByteScout QR Code

This tutorial will show how to create colored QR code in C#

We made thousands of pre-made source code pieces for easy implementation in your own programming projects. ByteScout QR Code is QR Code barcode generator SDK with tunnable quality and features like QR Code embedded logo or images. Supports batch generation and specialized features like encoding of vCard and other structures inside QR Code barcodes. It can create colored QR code in C#.

The SDK samples like this one below explain how to quickly make your application do create colored QR code in C# with the help of ByteScout QR Code. Follow the instructions from the scratch to work and copy the C# code. Code testing will allow the function to be tested and work properly with your data.

Free trial version of ByteScout QR Code is available on our website. Documentation and source code samples are included.

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

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

Program.cs

      using System.Diagnostics;
using System.Drawing;
using Bytescout.BarCode;

namespace ColoredQRCode
{
    class Program
    {
        static void Main(string[] args)
        {
            // Create and activate QRCode instance
            using (QRCode barcode = new QRCode())
            {
                barcode.RegistrationName = "demo";
                barcode.RegistrationKey = "demo";

                // Set background color
                barcode.BackColor = Color.Yellow;
                // Set foreground color
                barcode.ForeColor = Color.Red;

                // Set value            
                barcode.Value = "ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz 1234567890";
                
                // Save barcode to image
                barcode.SaveImage("result.png");
            }

            // Open the image in default image viewer (for demo purpose)
            Process.Start("result.png");
        }
    }
}