CaptchaRecognition(String,String,String,Boolean,String) Method

Recognizes the captcha through the specified DLL library.

Syntax

public static string CaptchaRecognition( 
   string dllName,
   string captcha,
   string parameters,
   bool asyncRecognize,
   out string confidence
)

Parameters

dllName

Type: System.String

The path to DLL library.

captcha

Type: System.String

The captcha for recognition.

parameters

Type: System.String

The recognition parameters.

asyncRecognize

Type: System.Boolean

true if need async way to recognize; otherwise and default, false.

confidence

Type: System.String

The result confidence.

Return Value

Type: System.String

The recognition result or id of async task.

Example

The following code example demonstrates uses of the CaptchaRecognition method.

public static int Execute(Instance instance)
{
    instance.ClearCookie();
 
    Tab tb = instance.MainTab;
    if ((tb.IsVoid) || (tb.IsNull)) return -1;
    if (tb.IsBusy) tb.WaitDownloading();
    tb.Navigate("http://lessons.zennolab.com/ru/advanced");
    if (tb.IsBusy) tb.WaitDownloading();
 
    HtmlElement he = instance.GetTabByAddress("page").GetDocumentByAddress("0").FindElementByTag("form", 0).FindChildByAttribute("img", "fulltag", "img", "text", 0);
            
    string confidence;
    string res = ZennoPoster.CaptchaRecognition("MonkeyEnter.dll", he.DrawToBitmap(true), "", false, out confidence);
 
    he = instance.GetTabByAddress("page").GetDocumentByAddress("0").FindElementByTag("form", 0).FindChildByName("recaptcha_response_field");
    he.SetValue(res, "Middle", false);
            
    return 0;
}

Requirements

Target Platforms: Desktop: Windows XP SP3 and older. Server: Windows Server 2003 and older.

Reference

ZennoPoster Class
ZennoPoster Members
Overload List
CaptchaSpecialRecognition Method
WaitCaptchaRecognition Method