Delete materials and subcategories not used in family
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Hi all, I have a lot of families with material and subcategories not used and this increase file size. I was thinking to write a utility to remove all unused materials and subcategories in family editor, because Purge all doesn't work and all those entities remain in family.
Here are subcategories listed in Object Styles and some materials are mapped directly to them:
Some of this subcategories are mapped to the solids in Materials and Finishes properties and should not be deleted:
Remaining unused subcategories and materials could be removed:
I realize that this is difficult task and was wondering if it's possible to clean up families via API. Thank you!