>>I used the Class Builder to build an object. I then added this object in my project. Now, I need to add additional properties and methods. Can someone help me in finding where is the Visual Class Designer?
>
>Not sure if you are still looking for this, but it's an Add-In that you have to enable with the Add-In manager under the Tools menu.

I was doing a wrong process. I am now using it correctly and it does the job.

Thanks again.