I would like to know if there is a way to highlight the sub-assembly my part is in when I select the part in my main assembly. I have figured out how to keep the sub-assembly from expanding (system options>feature manager>deselect "scroll selected item into view"), but the sub-assembly does not highlight in the tree display . Actually, as I type this, I realize nothing is highlighted in the tree display when I select a part, whether its in a sub-assembly or not. Any ideas?
Select the part (face, edge, etc.), then right click and select "Select Sub assembly". Based on your file structure, it would give you option to select from which level of sub assembly or would select the sub assy