Program.cs
using System.Text; using System.Diagnostics; using Bytescout.BarCode; namespace UnicodeValue { class Program { static void Main(string[] args) { // Create and activate QRCode instance using (QRCode barcode = new QRCode("demo", "demo")) { // Set the character encoding to UTF8 barcode.CharacterEncoding = Encoding.UTF8; // Set Unicode barcode value barcode.Value = "??"; // Show barcode caption (optional) barcode.DrawCaption = true; // Save barcode image to file barcode.SaveImage("result.png"); } // Open the image in default image viewer (for the demo purpose) Process.Start("result.png"); } } }