using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;

public partial class yzmbox : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        VryImgGen gen = new VryImgGen();
        string verifyCode = gen.CreateVerifyCode(5, 0).ToLower();
        Session["VerifyCode"] = verifyCode;
        System.Drawing.Bitmap bitmap = gen.CreateImage(verifyCode);
        System.IO.MemoryStream ms = new System.IO.MemoryStream();
        bitmap.Save(ms, System.Drawing.Imaging.ImageFormat.Png);
        Response.Clear();
        Response.ContentType = "image/Png";
        Response.BinaryWrite(ms.GetBuffer());
        bitmap.Dispose();
        ms.Dispose();
        ms.Close();
        Response.End();
    }
}