Table of Content queries

Hi, I've used Lectora's TOC object as a left-hand menu.The TOC works in contextual manner by default, which is really good... but how do I show that the TOC can also be expanded to show each & every item (chapters, sections, pages - all open) within the Table of Contents..?I'm also getting gaps in between the lines for the tree-view after trying to
some of the lengthier items. (see img.) How do I resolve this?Thanks in adv.

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