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.