in 2015 there is an arrow showing the parent reference of a feature so it is easy to track. but in 2016 it does not show idont know if they remove it, but it exist could you please help me to activate thanks
It does exist. And, you can also see child relationships as well. To turn them on, right click on the part/assembly name at the top of the tree and select the buttons on the right.
Thank you sir!
Right Click to Top of Feature Tree. You can reactivate dynamic reference visulation for parent and child feautes by using these buttons.
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