Controls the selection precedence of both visually and physically overlapping objects when using 3D visual styles.
| Type: | Integer | 
| Saved in: | Registry | 
| Initial value: | 1 | 
|  
			  Value  | 
 
			  Description  | 
|---|---|
|  
			  0  | 
 
			  Use legacy 3D selection precedence.  | 
|  
			  1  | 
 
			  Use line-of-sight 3D selection precedence for selecting 3D solids and surfaces. Also, a defining object is given selection precedence over the associated surface.  | 
3DSELECTIONMODE has no effect when selecting 3D solids if they are displayed as 2D or 3D wireframes.