Posted in ASP.NET, C#, tagged ashx, ASP.NET, C#, captcha, Control, generic handler, graphics, image, scrambled, text on April 9, 2009 | 2 Comments »
In this post I will explain how to generate a hard-to-read image out of our Captcha text. The new Captcha with image will look like this:
In MyCaptcha control, each letter is different from other ones in three properties:
1- Font
2- Size
3- Distance from the next letter (character spacing)
Therefore, I wrote a class named Letter [...]
Posted in ASP.NET, C#, tagged ASP.NET, C#, captcha, Control, free, Source on April 9, 2009 | Leave a Comment »
In this post and a post after I will explain how to develop a Captcha control and use it in an ASP.NET web site.
As described in Wikipedia, A CAPTCHA or Captcha (IPA: /ˈkæptʃə/) is a type of challenge-response test used in computing to ensure that the response is not generated by a computer. [...]
Posted in Software Engineering, tagged Architecture, Coding, configuration management, Control, database, Deploy, Design, Development, Exchange Server, Internet Conenction Sharing, ISA, mail, MSF, Naming Conventions, open source, Pop3, Process, requirement management, RUP, Software, Source, srouce control, Standard, Subversion, Team Foundation Server, Test, TFS on January 15, 2009 | 1 Comment »
I haven’t written here for a while because I was involved in a job not related directly to ASP.NET development. In fact, I was consulting a small company to build up a software product line based on a standard software development process (i.e. MSF) and industry best practices. This might look a little bit weird [...]
