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Captcha Image -

Draws Captcha Control Image onto a ASP.Net Web Forms page.

Project Description

Initiate an asynchronous call, the returned result, single image of alphanumeric characters, the image’s characters are presented in various font sizes and or (+/-) rotated in some degree. Characters are randomly selected from a string of characters and returned as an encrypted string. The return encrypted string is appended as a query string for an asynchronous call to a generic http handler. The handler’s responsibility is responding with a captcha image includes randomly selected characters. Each character will have a varying font size, font color, background color, font family, and be bound within a box of a certain width and height. Each character can overlap its neighbor by a specific value.

This project offers the complete Visual Studio 2012 solution within a compressed zip file. Download the complete solution from CodePlex.

Last edited Aug 10, 2012 at 5:07 PM by dedogs, version 5