TRACEVPSUPPORT (System Variable)

Controls whether trace geometry can be copied or used for object snapping in the active viewport.

Type:	Integer
Saved in:	Registry
Initial value:	1

Value	Description
0	Off
1	On Enables the following: Copying trace geometry into the active viewport using COPYFROMTRACE. Snapping to trace geometry in the active viewport when TRACEOSNAP is turned on.