How to learn this properly ? vgui custom. help

I want to learn how to create Lua and I need some other info about vgui, some one can help me with custom vgui

I want to add Dframe code or other Derma thing inside.

There is the link I mentioned below : http://wiki.garrysmod.com/?title=Custom_VGUI

Thanks.

take a look at

there is examples for most of it

Check the first 3 tutorials out.