[lazarus] TTreeview demo...

[Tom Lisjac]

> P.s. is there a treeview demo somewhere?

There's an excellent tutorial on the TTreeview component here:

http://users.iafrica.com/d/da/dart/Delphi/TTreeView/TreeView.html

... along with some nice examples that were pretty easy to convert to
Lazarus. I posted one here that illustrates adding and removing nodes:

http://theseus.sourceforge.net/fpclaz/laztvdemo.tar.gz

-Tom