ZXing.dll 生成二维码 C# winform net4.5

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 ZXing.QrCode;
using ZXing;
using ZXing.Common;
using ZXing.Rendering;

namespace erweima
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        /// <summary>
          /// 生成二维码图片
          /// </summary>
          /// <param name="strMessage">要生成二维码的字符串</param>
          /// <param name="width">二维码图片宽度</param>
          /// <param name="height">二维码图片高度</param>
         /// <returns></returns>
         private Bitmap GetQRCodeByZXingNet(String strMessage,Int32 width,Int32 height)
          {
             Bitmap result = null;
             try
             {
                 BarcodeWriter barCodeWriter = new BarcodeWriter();
                 barCodeWriter.Format = BarcodeFormat.QR_CODE;
                 barCodeWriter.Options.Hints.Add(EncodeHintType.CHARACTER_SET, "UTF-8");
                 barCodeWriter.Options.Hints.Add(EncodeHintType.ERROR_CORRECTION, ZXing.QrCode.Internal.ErrorCorrectionLevel.H);
                 barCodeWriter.Options.Height = height;
                 barCodeWriter.Options.Width = width;
                 barCodeWriter.Options.Margin = 0;
                 ZXing.Common.BitMatrix bm = barCodeWriter.Encode(strMessage);
                 result = barCodeWriter.Write(bm);
             }
             catch (Exception ex)
             { 
                 //异常输出
             }
             return result;
         }

         private void button1_Click(object sender, EventArgs e)
         {
             this.pictureBox1.Image = GetQRCodeByZXingNet("ilikethis", 100, 100);
         }






    }
}