Cant find specific GUI Object thing

I’m looking for a way to put this to unity, i can’t give names because i don’t know what the name is.

i used a text area to replicate what it looks like, but it doesnt work ilk ethe original thing.

heres a picture of what it looks like. is it possible to get that (not the picture, thats just an example) in Unity and when a line is clicked, that something happens?
http://laurentschneider.com/wordpress/wp-content/uploads/2012/05/scott_net.jpg

one of simple way is yo use set of GUI.Buttons styled as simple line. caused by it’s a buttons, you simply can add actions to button pressing.

ScrollView can help you draw lines(buttons) in scrollable area