writing Code::Blocks plugin

Question

where will I find documentation for developing plug-in for Code::Blocks? Also, is there a comprehensive documentation for the Code::Blocks source code which I can use to modify the source and to add desirable functionalities to the Code::Blocks IDE

Answer 1

I'd start at their home page and follow with their wiki

Answer 2

The wiki has a number of pages on this for you - have a look at Plug-In development for more information. There is also lots of other developer documentation further up on the same page.