using System;

using System.IO;

using ZXing;

using ZXing.SkiaSharp;

using ZXing.QrCode;

using ZXing.QrCode.Internal;

public class Program

{

    public static void Main()

    {

        BarcodeWriter writer = new BarcodeWriter();

        writer.Format = BarcodeFormat.QR_CODE;

        writer.Options = new QrCodeEncodingOptions() { Width = 0, Height = 0, ErrorCorrection = ErrorCorrectionLevel.M };

        using var bitmap = writer.Write("PDFsharp");

        using var bitmap2 = writer.Write("PDFsharp2");

        using var stream = new MemoryStream();

        using var stream2 = new MemoryStream();

        bitmap.Encode(stream, SkiaSharp.SKEncodedImageFormat.Png, 100);

        bitmap2.Encode(stream2, SkiaSharp.SKEncodedImageFormat.Png, 100);

        Console.WriteLine("string StrFromMS = @" + "\"base64:" + Convert.ToBase64String(stream.ToArray()) + "\";");

        Console.WriteLine("string StrFromMS2 = @" + "\"base64:" + Convert.ToBase64String(stream2.ToArray()) + "\";");

    }

}