Add "Assembly Number" column in BOM

[NaCly_Fries]

Inventor's BOM system does not have the ability to show which assembly a part is contained in.

The structured BOM shows a number next to the parts but this does not allow for easy filtering when pasted into a spreadsheet.

I currently have a program that creates a BOM structure like this, but due to how the Inventor API allows access to the BOM, it only works if the program is run on a subassembly with no extra sub-assemblies present in them.

This means that if a machine has 20 different sub-assemblies, it must be run 20 times on each.

Here is an example of the requested function. A column that shows what assembly a part is in.

This feature would be useful because it would allow us to put an entire BOM into a spreadsheet and then filter it by assembly number to only see parts in that assembly.