Property is indexed. Possible indexes are from 1 to 50.

Displayed measuring unit in which the subset or length of the part is specified. Using the index, you can differentiate between 50 entries. Possible values are:

0 = As in project

1 = mm

2 = cm

3 = dm

4 = m

5 = Meter

6 = km

8 = Inch

9 = "

10 = In

11 = ft

12 = feet

13 = foot

14 = yd

15 = yard

29 = µm.

Reference

ProjectPropertyList Class
ProjectPropertyList Members