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   源码介绍

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using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using ThoughtWorks.QRCode.Codec;

namespace WindowsFormsApplication1
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
            this.TextBox_QrCodeSize.Text = "5";
            this.TextBox_QrCodeVersion.Text = "2";
        }
        
        private void Button1_Click(object sender, EventArgs e)
        {
            Image image;
            try
            {
                QRCodeEncoder qrCodeEncoder = new QRCodeEncoder();
                qrCodeEncoder.QRCodeEncodeMode = QRCodeEncoder.ENCODE_MODE.BYTE;
                qrCodeEncoder.QRCodeScale = Convert.ToInt32(TextBox_QrCodeSize.Text);//尺寸
                qrCodeEncoder.QRCodeVersion = Convert.ToInt32(TextBox_QrCodeVersion.Text);//版本
                qrCodeEncoder.QRCodeErrorCorrect = QRCodeEncoder.ERROR_CORRECTION.M;
                image = qrCodeEncoder.Encode(TextBox_QrCodeContent.Text);
            }
            catch (Exception ex)
            {
                image = null;
            }
            if (image != null)
            {
                pictureBox1.Image = image;
            }

        }
    }
}