custom module installing in sitefinity 4.2

HAI

i did all the steps in that link
but
that custom module not come.
i created the project name:custom_module
and add project name as
HellWorld
BUT its not showing the module.
i refered below the link:

http://www.sitefinity.com/blogs/joshmorales/posts/11-07-07/creating_sitefinity_4_content_modules_part_1_project_preparation_and_hello_world.aspx

Plz help me

Thanks and regards,
MARI

Hello Mari,

Could you please explain in more details how did you create your module? It would be best if you sent us the code for your module so we could expect it and see what is wrong.