private void PrepareCaptcha()
{
if (captchaPrepared)
return;
captcha = captcha ?? BXCaptchaEngine.Create();
captcha.MaxTimeout = 1800;
captchaSrc = captcha.Store();
captchaHref = Encode(captchaSrc);
captchaGuid = captcha.Id;
captchaPrepared = true;
}
protected void Submit_Click(object sender, EventArgs e)
{
bool success = Page.IsValid;
if (success && RequireCaptcha)
{
captcha = BXCaptchaEngine.Get(Guid.Value);
string error = captcha.Validate(CaptchaTextBox.Text);
if (error != null)
{
Errors.AddErrorText(error);
success = false;
}
}
if (Submit != null)
Submit(this, new SubmitEventArgs(success));
}
