>I have a question about a custom class.
>
>I created the class and then build an exe file of my project which included this class. Later I modified the class and built a different exe file of my project.
>
>For some reason my first exe is not working properly.
>
>My question is does the class get staticlly added to the exe or is it outside with just a pointer?

It could be either way depending if the class library marked in the project as included or not.