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   源码介绍

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生成UPCA条码

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;

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

    private void txtTextToAdd_TextChanged(object sender, EventArgs e)
    {
      cUPCA upca = new cUPCA();
      if(this.txtTextToAdd.Text.Length == 12)
      {
        this.txtTextToAdd.Text = this.txtTextToAdd.Text.Substring(0, 11)   upca.GetCheckSum(this.txtTextToAdd.Text).ToString();
        Image img;
        img = upca.CreateBarCode(this.txtTextToAdd.Text, 2);
        this.pctBarCode.Left = System.Convert.ToInt32((this.pnlWhiteBack.Width / 2) - (img.Width / 2));
        this.pctBarCode.Image = img;
        this.txtTextToAdd.SelectAll();
      }
      else
      {
        this.pctBarCode.Image = null;
      }
    }

    private void UPCA_Load(object sender, EventArgs e)
    {

    }
  }
}