For years I've been annoyed that on occasion snaps didn't work but I could not figure out what the cause was. If a filled shape exists in 3D space above a element in CE and you attempt to snap to the element snaps will not work even in wire-frame. Under users>preferences>input> Locate interiors is set to never. Is this intentional or an oversite?? Attached file for others to try maybe it's just me?
This has also been an issue for me - I've tried to get to the bottom of it with this thread; communities.bentley.com/.../594681
... but without a solution I'm still using v8i to remain productive.
As a summary of the problem (using your file), see below. I really hope someone could provide a solution to this.
Well I tossed up an idea maybe if it gets enough traction we can get it fixed.