The object of this type represents a configured instance of the corresponding extension and is intended to be used mainly as a sender parameter when processing events on the server side.
To add the Captcha extension to the View, refer to the Captcha Overview topic.
The object of MVCxCaptcha type represents the configured instance of DevExpress ASP.NET MVC Captcha extension. The MVCxCaptcha object is intended to be used mainly as a sender parameter when processing events on the server side.
To properly follow the ASP.NET MVC pattern, it is recommended to respond to end-user actions on the client-side (see Client-Side API) or to use Ajax callbacks to the server and handle these callbacks using custom action methods (see Using Callbacks).