winform验证码入门级

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;

using System.Windows.Forms;
using DevExpress.XtraEditors;

namespace Kuade.验证码
{
    /// 

    /// 
    /// 

    public partial class FrmMainForm : Form
    {
        YLyanzheng yz = new YLyanzheng（）;   //验证类
        /// 

        /// 构造函数
        /// 

        public FrmMainForm（）
        {
            InitializeComponent（）;
        }

        private void pictureBox1_Click（object sender EventArgs e）
        {
            pictureBox1.Image = yz.getImg（true true false）;
            textBox1.Clear（）;
        }

        private void button1_Click（object sender EventA

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----
     目录           0  2019-06-27 09:41  验证码\
     目录           0  2019-06-27 09:41  验证码\.vs\
     目录           0  2019-06-27 09:41  验证码\.vs\验证码\
     目录           0  2019-06-27 09:41  验证码\.vs\验证码\v15\
     文件       56832  2019-06-27 09:53  验证码\.vs\验证码\v15\.suo
     目录           0  2019-06-27 09:41  验证码\.vs\验证码\v15\Server\
     目录           0  2019-06-27 09:41  验证码\.vs\验证码\v15\Server\sqlite3\
     目录           0  2019-06-27 09:41  验证码\Publish\
     目录           0  2019-06-27 09:52  验证码\Publish\验证码\
     目录           0  2019-06-27 09:46  验证码\Publish\验证码\de\
     文件    20946168  2019-04-03 20:32  验证码\Publish\验证码\DevExpress.BonusSkins.v18.2.dll
     文件     6830840  2019-04-03 20:32  验证码\Publish\验证码\DevExpress.Data.v18.2.dll
     文件     1327500  2019-04-03 20:32  验证码\Publish\验证码\DevExpress.Data.v18.2.xml
     文件     8426232  2019-04-03 20:32  验证码\Publish\验证码\DevExpress.Images.v18.2.dll
     文件     2466552  2019-04-03 20:32  验证码\Publish\验证码\DevExpress.Office.v18.2.Core.dll
     文件       95799  2019-04-03 20:32  验证码\Publish\验证码\DevExpress.Office.v18.2.Core.xml
     文件     2966776  2019-04-03 20:32  验证码\Publish\验证码\DevExpress.Pdf.v18.2.Core.dll
     文件      324637  2019-04-03 20:32  验证码\Publish\验证码\DevExpress.Pdf.v18.2.Core.xml
     文件     4303096  2019-04-03 20:32  验证码\Publish\验证码\DevExpress.Printing.v18.2.Core.dll
     文件     1579433  2019-04-03 20:32  验证码\Publish\验证码\DevExpress.Printing.v18.2.Core.xml
     文件     8259832  2019-04-03 20:32  验证码\Publish\验证码\DevExpress.RichEdit.v18.2.Core.dll
     文件     1999550  2019-04-03 20:32  验证码\Publish\验证码\DevExpress.RichEdit.v18.2.Core.xml
     文件       89848  2019-04-03 20:32  验证码\Publish\验证码\DevExpress.Sparkline.v18.2.Core.dll
     文件       26651  2019-04-03 20:32  验证码\Publish\验证码\DevExpress.Sparkline.v18.2.Core.xml
     文件    14625016  2019-04-03 20:32  验证码\Publish\验证码\DevExpress.Utils.v18.2.dll
     文件      939475  2019-04-03 20:32  验证码\Publish\验证码\DevExpress.Utils.v18.2.xml
     文件     6486264  2019-04-03 20:32  验证码\Publish\验证码\DevExpress.XtraBars.v18.2.dll
     文件     2390675  2019-04-03 20:32  验证码\Publish\验证码\DevExpress.XtraBars.v18.2.xml
     文件     6455032  2019-04-03 20:32  验证码\Publish\验证码\DevExpress.XtraEditors.v18.2.dll
     文件     2209918  2019-04-03 20:32  验证码\Publish\验证码\DevExpress.XtraEditors.v18.2.xml
     文件     3344632  2019-04-03 20:32  验证码\Publish\验证码\DevExpress.XtraGrid.v18.2.dll
............此处省略116个文件信息