Controls the display of helixes and smoothed mesh objects. 
| Type: | Integer | 
| Saved in: | Drawing | 
| Initial value: | 0 | 
| Value 
			  | Description 
			  | 
|---|
| 0 
			  | Disables spline frame display which:
			  Does not display the control polygon for helixes. 
				Displays smoothed mesh objects if they have been smoothed. 
				Does not display the invisible edges of 3D faces or polyface meshes. 
				
 | 
| 1 
			  | Enables spline frame display which:
			  Displays the control polygon for helixes. 
				Displays unsmoothed mesh objects, even if they have been smoothed. 
				Displays the edges of 3D faces and polyface meshes. 
				
 | 
Note: To control the display of control vertices for splines, use the CVSHOW and the CVHIDE commands (not available in AutoCAD LT).