UOSNAP

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Use Object Snaps with Underlays

Type:	Integer
Saved in:	Registry
Initial value:	1

Determines whether object snapping is active for geometry in DWF, DWFx, PDF, and DGN underlays that are attached to the drawing.

UOSNAP overrides the DWFOSNAP, PDFOSNAP, and DGNOSNAP settings. Conversely, you can override the UOSNAP setting for DWF, DWFx, PDF, and DGN underlays by issuing the necessary DWFOSNAP, PDFOSNAP, or DGNOSNAP system variables.

0	Object snapping is disabled for geometry in all underlay attachments in the drawing
1	Object snapping is enabled for geometry in all underlay attachments in the drawing
2	The individual setting varies for all underlays in the current drawing: DWF, DWFx and DGN.