After copying a file path control from another VI, it appears as an empty dashed contour on the front panel, as if the object were on a hidden layer.
Is this a bug or am I doing something wrong, please?
Looks like the control is hidden. Find the terminal on the block diagram, right-click menu - Show Control.
Another example where attaching the actual VI would be so much more helpful than attaching a "picture". I don't know how you "copied" the control, but it might have been a "hidden" control. Go to the Block Diagram, find the control, right-click it, and see if the option to "unhide" the control is present.
Thank you for your suggestions.
I just noticed there was a pane splitter on the front panel. Removing it (screenshot attached) suddenly showed the "hidden" object.
Still seems like a bug, though, doesn't it?
(When I called support, before I found this fix, the gentleman said it was probably one of the many bugs in LV 2019.)
Did you copy the control or the terminal? Was it the only selected object?
Not really a bug and probably not new to 2019. More like an unhandled edge case. Could be fixed by throwing a lot of code at it, but not worth it.
I don't see the splitter in your screenshot, but if it's just under something then this is probably expected behaviour.
To test a similar situation, try dropping a loop on your BD, then selecting a control outside of the loop and using the arrow keys to place it under the structure. I think that might be very similar to what you're seeing? (you can also shrink a structure with items inside it so that they fall outside the bounds if you disable auto-grow, then selecting that region (perhaps only from inside the structure?) will allow their selection in a similar fashion iirc)