SELECTIONEFFECT
Determines the visual effect applied to selected entities. This system variables takes effect only when the HIGHLIGHT system variable is set to 1.
The selection effect color is controlled by the SELECTIONEFFECTCOLOR system variable.
Type: Integer
Saved: In the registry
Range: 0 (Dashed line effect), 1 (Glowing highlight effect, which only applies when GSDEVICEMODE is set to 3)
Default: 1