nuget 安装
DataMatrix.net


//示例
 DmtxImageEncoder Die = new DmtxImageEncoder();
                DataMatrix.net.DmtxImageEncoderOptions option = new DmtxImageEncoderOptions();
                option.SizeIdx = DmtxSymbolSize.DmtxSymbol32x32;//形状
                option.MarginSize = 0;//边距
                option.ModuleSize = size;//点阵大小
                //string txt = "123abc";
                Bitmap b = Die.EncodeImage(codeText, option);

                g.DrawImage(b,new Point(pointX, pointY));



内容太长报错：使用 Die.EncodeImage("xxxxxxxxxxxxxxxxxx",2)