怎么用C#生成DataMatrix格式的二维码

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1、附件为dll

2、利用上述控件生成二维码的核心代码：

(a)C#代码:

 DataMatrix datamatrix = new DataMatrix();   datamatrix.Data = "0123456789";                   // Create Data Matrix and encode barcode to Jpeg format   datamatrix.ImageFormat = System.Drawing.Imaging.ImageFormat.Jpeg;   datamatrix.drawBarcode("C://csharp-datamatrix.jpg");

(b)VB.NET代码:

 Dim datamatrix As OnBarcode.Barcode.DataMatrix   datamatrix = New OnBarcode.Barcode.DataMatrix()   datamatrix.Data = "0123456789"                   ' Create Data Matrix and encode barcode to Jpeg format   datamatrix.ImageFormat = System.Drawing.Imaging.ImageFormat.Jpeg   datamatrix.drawBarcode("C://vbnet-datamatrix.jpg")

（c）其他函数接口（分别是C#和VB）：

public void drawBarcode(Graphics graphics);   public void drawBarcode(string filename);   public Bitmap drawBarcode();   public void drawBarcode(Stream fileStream);   Public Sub drawBarcode(ByRef graphics As Graphics)   Public Sub drawBarcode(ByVal filename As String)   Public Function drawBarcode() As Bitmap   Public Sub drawBarcode(ByRef fileStream As Stream)

3、实践部分：

创建如下界面：按钮按下，生产条码。

using System;using System.Collections.Generic;using System.ComponentModel;using System.Data;using System.Drawing;using System.Text;using System.Windows.Forms; using OnBarcode.Barcode;using System.Drawing.Imaging; namespace DataMatrix1{    public partial class Form1 : Form    {        public Form1()        {            InitializeComponent();        }        private void button1_Click(object sender, EventArgs e)        {            DataMatrix datamatrix = new DataMatrix();            // Barcode data to encode            datamatrix.Data = "OnBarcode";            // Data Matrix data mode            datamatrix.DataMode = DataMatrixDataMode.ASCII;            // Data Matrix format mode            datamatrix.FormatMode = DataMatrixFormatMode.Format_10X10;            /*            * Barcode Image Related Settings            */            // Unit of meature for all size related setting in the library.             datamatrix.UOM = UnitOfMeasure.PIXEL;            // Bar module size (X), default is 3 pixel;            datamatrix.X = 3;            // Barcode image left, right, top, bottom margins. Defaults are 0.            datamatrix.LeftMargin = 0;            datamatrix.RightMargin = 0;            datamatrix.TopMargin = 0;            datamatrix.BottomMargin = 0;            // Image resolution in dpi, default is 72 dpi.            datamatrix.Resolution = 72;            // Created barcode orientation.             // Rotate0 = 0,            // Rotate90 = 1,            // Rotate180 = 2,            // Rotate270 = 3,            // 4 options are: facing left, facing right, facing bottom, and facing top            datamatrix.Rotate = Rotate.Rotate0;            // Geneat data matrix and encode barcode to gif format            datamatrix.ImageFormat = System.Drawing.Imaging.ImageFormat.Bmp;            datamatrix.drawBarcode("C:\\datamatrix.jpg");   //以保存特定格式方法生产二维码            //You can also call other drawing methods to generate barcodes            //public void drawBarcode(Graphics graphics);            //public void drawBarcode(string filename);            //public Bitmap drawBarcode();            //public void drawBarcode(Stream stream);       //将该种编码的格式，写入文件流之中            this.pictureBox1.Image = datamatrix.drawBarcode();  //调用其中一个接口，将图片以bitmap形式显示出来        }    }}

测试结果：

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