Since with great projects many call chains explode the frame and are unclear, it only is sometimes more suitable to set up parts of that manually.
For that itself is recommended to change into the cross view. So can pursue the call chains and move objects of your choice onto the drawing area from the three trees.
A double-click onto an object on the drawing area activates it in the project tree.
With the right mouse button you can packet the drawing area and displace it.
You draw arbitrary call chains, when you move the affected objects by drag & drops from the Project- or from the dependence trees into the drawing field! The content view best characterizes for that.
The connecting lines for the active object are represented according to importance variously:
Lines between objects from different modules are colored red
Lines between objects from the same module are colored blue.
Lines that represents ambiguous cross references are bordered red and filled with brightness grey.
You can let represent all call chains for the active object by button pressure from above and/or to the left or after below and/or to the right.