Hi Tom,
I haven't found a way to draw a line representing the *amount* of lag or
lead, but you can color task Gantt bars differently depending upon whether
they have lag or lead added to the predecessor field.
I used [Flag1] for lag in the following example, and [Flag2] for lead.
In the flag field [Flag1] enter the formula:
IIf(InStr([Predecessors],"+")<>0,"Yes","No")
In the flag field [Flag2] enter the formula:
IIf(InStr([Predecessors],"-")<>0,"Yes","No")
Then create two bars in the Gantt chart, using [Flag1] and [Flag2].
Hope this helps.
Julie