If you have Ladder Logic programs, their names will be displayed in the Ladder Files chapter in the Configuration section of the Table of Contents. Clicking on any of these Ladder Logic program names will cause the program to be displayed in the index pane. The blocks referenced by the program are hyperlinks, and clicking on one of them in the index pane will display in the content pane the specific Ladder program associated with that block.
This same selection in the Treeview format will look like this: