using System;

using NetBarcode;

using SixLabors.ImageSharp;

​

public class Program

{

    public static void Main()

    {

        var barcode = new Barcode("169", NetBarcode.Type.Code128A, false , 200, 50);

        var testimg64 = barcode.GetBase64Image();

        Console.WriteLine(testimg64);

    }

}