Activate Main Assembly 
Access: Open this function from one of the following locations:
-
Click the
button in the toolbar. -
Select Assembly > Main Tools > Activate Main Assembly from the menu bar.
-
Double-click the main assembly name in the Assembly Tree.
-
Right-click on the main assembly name in the Assembly Tree to display the popup menu and select Activate Assembly.
-
Right-click in the graphics window to display the Graphics Area popup menu and select Activate Main Assembly.
Activate the main assembly.
This functionality is available if the main assembly is not active.
This has been changed
