To add Reference Features to a Constructed Feature through the View:
1. Put your View into Edit Mode.
2. While holding the Alt key, select the feature points from the View that you want to use as Reference points for the construction.
3. Right-click within the View and select Push String into Reference from the context menu.
4. Select an existing Constructed feature from the drop down.
a. If you want to override existing Reference Features rather than adding to the current list, select the Clear Old Reference Features check box.
5. Click Ok.
6. Exit the View.
7. In the Data tree, right click the DataSource icon and select Save Changes to Database, then Refresh Tree.