test: C3D 2023.
1) Create a 2D polyline (it can be closed if you want). Put a particular elevation Z= 30
2) Add this polyline as breakline in your surface (surface is auto-update status).
3)Close the Prospector for this test.
Open the Properties window and select that poyline. Edit its Elevation to Z= 89
You will see that Surface does not update. You have to call command Regen OR open the Propsector. If Prospector is open it regens the surface.
Regards.
