protected void Page_Load(object sender, EventArgs e)
{
Response.Clear();
CaptchaReference.ServiceClient fromService = new CaptchaReference.ServiceClient();
string myStr, userLen;
if (Session["generatedString"] == null)
{
if (Session["userLength"] == null)
{
userLen = "3";
}
else
{
userLen = Session["userLength"].ToString();
}
myStr = fromService.GetVerifierString(userLen);
Session["generatedString"] = myStr;
}
else
{
myStr = Session["generatedString"].ToString();
}
Stream myStream = fromService.GetImage(myStr);
System.Drawing.Image myImage = System.Drawing.Image.FromStream(myStream);
Response.ContentType = "image/jpeg";
myImage.Save(Response.OutputStream, ImageFormat.Jpeg);
}
protected void btnShowImage_Click(object sender, EventArgs e)
{
CaptchaReference.ServiceClient fromService = new CaptchaReference.ServiceClient();
string userLength = "5";
Session["userLength"] = userLength;
string myStr = fromService.GetVerifierString(userLength);
Session["generatedString"] = myStr;
btnShowImage.Text = "Show Me Another Image String";
Image1.Visible = true;
}