Conformation Message Box in AX 2012

Dialogbutton    dialogBtn;

;

dialogBtn  =   Box::yesNo("Are you sure to continue ", dialogButton::Yes, 

                                         "Choose your option");

if (dialogBtn == dialogButton::Yes)

   {

        info( "Process will be continued ");

   }

else

     if (dialogBtn == dialogButton::No)

       {

          info( "Process stopped");

       }