General developer forum

Hello everybody,
First, sorry for my english, I'm French, I hope it's still understandable (yes, i'm going to ask my question on the french forum too ! :P).

Well, we've been trying to understand the "Admin Tree" block in order to modify it. What we would eventually like to have is a subclass/class/course tree which looks kind of like the Admin tree.

We can't figure out where the links to the children of every nodes of the trees are, and how to change them.

In the end, the idea would be to use the code of this block in order to modify the frontpage, and to get this tree instead of the Combo list (or other). If you can think of a better way to do it...

We don't really know what to do next, thank you for your help.