Contains the properties of all Lines on the structure model.
The Lines spreadsheet is displayed by selecting Lines from the Edit | Current Objects List
Each Line is defined between two Points, labeled Point 1 and Point 2 in its row of the Lines spreadsheet
Each end point (Point 1 or Point 2) of a Line is defined by its row number in the Points spreadsheet followed by its [Point Label]
The end Point [Point Label] is optional and is enclosed in brackets [ ].
Spreadsheet columns can be re-ordered by dragging and dropping them into a new position.
Selected spreadsheet rows can be moved by executing Move Selected Objects Up/Down
Line Properties Spreadsheet.