Line Settings 
You can change the display of the lines that connect the different objects with each other in a hierarchical structure.
You can change the display of the lines that connect the different objects with each other in a hierarchical structure. In this way you can, for example, choose a diagonal or straight line diaplay and determine the thickness of the line.
Select a view.
Choose .
You reach the Change Line Settings dialog box.
Make the required settings.
Choose Apply.
To change the line settings for further views:
Select another view.
Select the relevant settings in the dialog box Change Line Settings.
Choose Apply.
To exit the Line Options dialog box, choose Continue or Cancel.