Start Using it

Create Database :

1. Create CScope Database, Open command prompt on root of your directory and give command
 

         .....>CScope -R -b

2.  Create Ctags

  .....>ctags -R --c++-kinds=+pl --fields=+iaS --extra=+q --if0=yes b 

 Launch Vim :

Add tags using command in vim

:set tags+= tags

:cs add cscope.out

tags and cscope.out file are generated by you in create database section 

Using it :

I am using commands only, You can map keys for ease of use.

:h cs 

give above command in VIM, Here is all material ready to help you.