public static string GetCaptchaBase64(
int length = 5,
CaptchaFormat captchaFormat = CaptchaFormat.Numeric,
int width = 120,
int height = 50)
{
return(Convert.ToBase64String(CaptchaManager.GetCaptchaByteArray(length, captchaFormat, width, height)));
}
public static Image GetCaptchaImage(
int length = 5,
CaptchaFormat captchaFormat = CaptchaFormat.Numeric,
int width = 120,
int height = 50)
{
CaptchaImage captchaImage = new CaptchaImage(length, captchaFormat, Color.Transparent, width, height);
SessionManager.Add("__Captcha__", (object)captchaImage);
return((Image)captchaImage.Image);
}
public static byte[] GetCaptchaByteArray(
int length = 5,
CaptchaFormat captchaFormat = CaptchaFormat.Numeric,
int width = 120,
int height = 50)
{
Image captchaImage = CaptchaManager.GetCaptchaImage(5, Enums.CaptchaFormat.Numeric, 120, 50);
MemoryStream memoryStream = new MemoryStream();
captchaImage.Save((Stream)memoryStream, ImageFormat.Png);
return(memoryStream.ToArray());
}
