C# 如何生成 DataMatrix 格式的二维码

　　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

　　}

　　}

　　}