Controls the display of effects for selection areas.
| Type: | Integer | 
| Saved in: | Registry | 
| Initial value: | 1 | 
Selection areas are created by the Window, Crossing, WPolygon, and CPolygon options when selecting objects.
|  
			  Value  | 
 
			  Description  | 
|---|---|
|  
			  0  | 
 
			  Off  | 
|  
			  1  | 
 
			  On  |